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annotate trafficintelligence/metadata.py @ 1249:2aa56b101041

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added mask functionality for dltrack
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 15 Feb 2024 14:09:52 -0500
parents c4c50678c856
children
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1 from datetime import datetime, timedelta
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2 from pathlib import Path
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3 from os import path, listdir, sep
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4 from math import floor
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5
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6 from numpy import zeros, loadtxt, array
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7
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8 from sqlalchemy import orm, create_engine, Column, Integer, Float, DateTime, String, ForeignKey, Boolean, Interval
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9 from sqlalchemy.orm import relationship, backref, sessionmaker, declarative_base
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10
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11 from trafficintelligence.utils import datetimeFormat, removeExtension, getExtension, TimeConverter
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12 from trafficintelligence.cvutils import computeUndistortMaps, videoFilenameExtensions, infoVideo
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13 from trafficintelligence.moving import TimeInterval, Trajectory
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15 """
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16 Metadata to describe how video data and configuration files for video analysis are stored
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17
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18 Typical example is
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19
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20 site1/view1/2012-06-01/video.avi
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21 /2012-06-02/video.avi
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22 ...
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23 /view2/2012-06-01/video.avi
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24 /2012-06-02/video.avi
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25 ...
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26
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27 - where site1 is the path to the directory containing all information pertaining to the site,
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28 relative to directory of the SQLite file storing the metadata
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29 represented by Site class
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30 (can contain for example the aerial or map image of the site, used for projection)
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31
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32 - view1 is the directory for the first camera field of view (camera fixed position) at site site1
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33 represented by CameraView class
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34 (can contain for example the homography file, mask file and tracking configuration file)
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35
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36 - YYYY-MM-DD is the directory containing all the video files for that day
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37 with camera view view1 at site site1
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38
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39
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40 """
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41
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42 Base = declarative_base()
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43
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44 class Site(Base):
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45 __tablename__ = 'sites'
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46 idx = Column(Integer, primary_key=True)
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47 name = Column(String) # path to directory containing all site information (in subdirectories), relative to the database position
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48 description = Column(String) # longer names, eg intersection of road1 and road2
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49 xcoordinate = Column(Float) # ideally moving.Point, but needs to be
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50 ycoordinate = Column(Float)
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51 mapImageFilename = Column(String) # path to map image file, relative to site name, ie sitename/mapImageFilename
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52 nUnitsPerPixel = Column(Float) # number of units of distance per pixel in map image
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53 worldDistanceUnit = Column(String, default = 'm') # make sure it is default in the database
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54
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55 def __init__(self, name, description = "", xcoordinate = None, ycoordinate = None, mapImageFilename = None, nUnitsPerPixel = 1., worldDistanceUnit = 'm'):
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56 self.name = name
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57 self.description = description
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58 self.xcoordinate = xcoordinate
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59 self.ycoordinate = ycoordinate
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60 self.mapImageFilename = mapImageFilename
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61 self.nUnitsPerPixel = nUnitsPerPixel
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62 self.worldDistanceUnit = worldDistanceUnit
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63
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64 def getPath(self):
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65 return self.name
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66
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67 def getMapImageFilename(self, relativeToSiteFilename = True):
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68 if relativeToSiteFilename:
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69 return path.join(self.getPath(), self.mapImageFilename)
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70 else:
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71 return self.mapImageFilename
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72
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73
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74 class EnvironementalFactors(Base):
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75 '''Represents any environmental factors that may affect the results, in particular
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76 * changing weather conditions
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77 * changing road configuration, geometry, signalization, etc.
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78 ex: sunny, rainy, before counter-measure, after counter-measure'''
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79 __tablename__ = 'environmental_factors'
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80 idx = Column(Integer, primary_key=True)
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81 startTime = Column(DateTime)
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82 endTime = Column(DateTime)
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83 description = Column(String) # eg sunny, before, after
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84 siteIdx = Column(Integer, ForeignKey('sites.idx'))
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85
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86 site = relationship("Site", backref = backref('environmentalFactors'))
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87
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88 def __init__(self, startTime, endTime, description, site):
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89 'startTime is passed as string in utils.datetimeFormat, eg 2011-06-22 10:00:39'
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90 self.startTime = datetime.strptime(startTime, datetimeFormat)
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91 self.endTime = datetime.strptime(endTime, datetimeFormat)
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92 self.description = description
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93 self.site = site
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94
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95 class CameraType(Base):
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96 ''' Represents parameters of the specific camera used.
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97
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98 Taken and adapted from tvalib'''
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99 __tablename__ = 'camera_types'
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100 idx = Column(Integer, primary_key=True)
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101 name = Column(String)
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102 resX = Column(Integer)
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103 resY = Column(Integer)
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104 frameRate = Column(Float)
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105 frameRateTimeUnit = Column(String, default = 's')
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106 intrinsicCameraMatrixStr = Column(String)
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107 distortionCoefficientsStr = Column(String)
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108
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109 def __init__(self, name, resX, resY, frameRate, frameRateTimeUnit = 's', trackingConfigurationFilename = None, intrinsicCameraFilename = None, intrinsicCameraMatrix = None, distortionCoefficients = None):
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110 self.name = name
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111 self.resX = resX
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112 self.resY = resY
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113 self.frameRate = frameRate
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114 self.frameRateTimeUnit = frameRateTimeUnit
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115 self.intrinsicCameraMatrix = None # should be np.array
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116 self.distortionCoefficients = None # list
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117
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118 if trackingConfigurationFilename is not None:
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119 from storage import ProcessParameters
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120 params = ProcessParameters(trackingConfigurationFilename)
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121 self.intrinsicCameraMatrix = params.intrinsicCameraMatrix
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122 self.distortionCoefficients = params.distortionCoefficients
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123 elif intrinsicCameraFilename is not None:
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124 self.intrinsicCameraMatrix = loadtxt(intrinsicCameraFilename)
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125 self.distortionCoefficients = distortionCoefficients
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126 else:
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127 self.intrinsicCameraMatrix = intrinsicCameraMatrix
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128 self.distortionCoefficients = distortionCoefficients
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129
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130 if self.intrinsicCameraMatrix is not None:
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131 self.intrinsicCameraMatrixStr = str(self.intrinsicCameraMatrix.tolist())
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132 if self.distortionCoefficients is not None and len(self.distortionCoefficients) == 5:
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133 self.distortionCoefficientsStr = str(self.distortionCoefficients)
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134
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135 @orm.reconstructor
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136 def initOnLoad(self):
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137 if self.intrinsicCameraMatrixStr is not None:
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138 from ast import literal_eval
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139 self.intrinsicCameraMatrix = array(literal_eval(self.intrinsicCameraMatrixStr))
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140 else:
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141 self.intrinsicCameraMatrix = None
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142 if self.distortionCoefficientsStr is not None:
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143 self.distortionCoefficients = literal_eval(self.distortionCoefficientsStr)
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144 else:
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145 self.distortionCoefficients = None
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146
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147 def computeUndistortMaps(self, undistortedImageMultiplication = None):
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148 if undistortedImageMultiplication is not None and self.intrinsicCameraMatrix is not None and self.distortionCoefficients is not None:
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diff changeset
149 [self.map1, self.map2], newCameraMatrix = computeUndistortMaps(self.resX, self.resY, undistortedImageMultiplication, self.intrinsicCameraMatrix, self.distortionCoefficients)
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150 else:
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151 self.map1 = None
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152 self.map2 = None
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153
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154 @staticmethod
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155 def getCameraType(session, cameraTypeId, resX = None):
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156 'Returns the site(s) matching the index or the name'
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157 if str.isdigit(cameraTypeId):
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158 return session.query(CameraType).filter(CameraType.idx == int(cameraTypeId)).all()
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159 else:
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160 if resX is not None:
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161 return session.query(CameraType).filter(CameraType.name.like('%'+cameraTypeId+'%')).filter(CameraType.resX == resX).all()
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162 else:
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163 return session.query(CameraType).filter(CameraType.name.like('%'+cameraTypeId+'%')).all()
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164
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165 # class SiteDescription(Base): # list of lines and polygons describing the site, eg for sidewalks, center lines
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166
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167 class CameraView(Base):
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168 __tablename__ = 'camera_views'
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169 idx = Column(Integer, primary_key=True)
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170 description = Column(String)
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171 homographyFilename = Column(String) # path to homograph file, relative to the site name
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172 siteIdx = Column(Integer, ForeignKey('sites.idx'))
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173 cameraTypeIdx = Column(Integer, ForeignKey('camera_types.idx'))
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diff changeset
174 trackingConfigurationFilename = Column(String) # path to configuration .cfg file, relative to site name
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175 maskFilename = Column(String) # path to mask file, relative to site name
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176 virtual = Column(Boolean) # indicates it is not a real camera view, eg merged
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177
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178 site = relationship("Site", backref = backref('cameraViews'))
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diff changeset
179 cameraType = relationship('CameraType', backref = backref('cameraViews'))
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180
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181 def __init__(self, description, homographyFilename, site, cameraType, trackingConfigurationFilename, maskFilename, virtual = False):
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diff changeset
182 self.description = description
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diff changeset
183 self.homographyFilename = homographyFilename
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diff changeset
184 self.site = site
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diff changeset
185 self.cameraType = cameraType
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186 self.trackingConfigurationFilename = trackingConfigurationFilename
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187 self.maskFilename = maskFilename
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188 self.virtual = virtual
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diff changeset
189
422
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diff changeset
190 def getHomographyFilename(self, relativeToSiteFilename = True):
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diff changeset
191 if relativeToSiteFilename:
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diff changeset
192 return path.join(self.site.getPath(), self.homographyFilename)
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193 else:
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diff changeset
194 return self.homographyFilename
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195
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196 def getTrackingConfigurationFilename(self, relativeToSiteFilename = True):
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197 if relativeToSiteFilename:
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diff changeset
198 return path.join(self.site.getPath(), self.trackingConfigurationFilename)
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199 else:
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200 return self.trackingConfigurationFilename
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diff changeset
201
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diff changeset
202 def getMaskFilename(self, relativeToSiteFilename = True):
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203 if relativeToSiteFilename:
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diff changeset
204 return path.join(self.site.getPath(), self.maskFilename)
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205 else:
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206 return self.maskFilename
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diff changeset
207
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208 def getTrackingParameters(self):
825
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diff changeset
209 return ProcessParameters(self.getTrackingConfigurationFilename())
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diff changeset
210
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diff changeset
211 def getHomographyDistanceUnit(self):
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diff changeset
212 return self.site.worldDistanceUnit
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diff changeset
213
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diff changeset
214 class Alignment(Base):
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diff changeset
215 __tablename__ = 'alignments'
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diff changeset
216 idx = Column(Integer, primary_key=True)
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diff changeset
217 siteIdx = Column(Integer, ForeignKey('sites.idx'))
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diff changeset
218
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diff changeset
219 site = relationship("Site", backref = backref('alignments'))
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diff changeset
220
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diff changeset
221 def __init__(self, site):
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diff changeset
222 self.site = site
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diff changeset
223
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diff changeset
224 def getTrajectory(self):
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diff changeset
225 t = Trajectory()
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diff changeset
226 for p in self.points:
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diff changeset
227 t.addPositionXY(p.x_coordinate, p.y_coordinate)
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228 return t
580
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diff changeset
229
1140
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diff changeset
230 class Point(Base):
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diff changeset
231 __tablename__ = 'positions'
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diff changeset
232 trajectory_id = Column(Integer, ForeignKey('alignments.idx'), primary_key=True)
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diff changeset
233 frame_number = Column(Integer, primary_key=True) # order of points in this alignment, as index
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diff changeset
234 x_coordinate = Column(Float)
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diff changeset
235 y_coordinate = Column(Float)
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diff changeset
236
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff changeset
237 alignment = relationship("Alignment", backref = backref('points', order_by = trajectory_id))
580
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diff changeset
238
1140
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diff changeset
239 def __init__(self, alignment, index, x, y):
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diff changeset
240 self.alignment = alignment
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diff changeset
241 self.frame_number = index
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diff changeset
242 self.x_coordinate = x
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243 self.y_coordinate = y
580
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diff changeset
244
420
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diff changeset
245 class VideoSequence(Base):
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parents:
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246 __tablename__ = 'video_sequences'
580
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diff changeset
247 idx = Column(Integer, primary_key=True)
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diff changeset
248 name = Column(String) # path to the video file relative to the the site name
420
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parents:
diff changeset
249 startTime = Column(DateTime)
821
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diff changeset
250 duration = Column(Interval) # video sequence duration
865
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diff changeset
251 databaseFilename = Column(String) # path to the database file relative to the the site name
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diff changeset
252 virtual = Column(Boolean) # indicates it is not a real video sequence (no video file), eg merged
580
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diff changeset
253 cameraViewIdx = Column(Integer, ForeignKey('camera_views.idx'))
420
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parents:
diff changeset
254
955
a15e843af55a correcting errors in metadata names for backrefs
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diff changeset
255 cameraView = relationship("CameraView", backref = backref('videoSequences', order_by = idx))
420
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parents:
diff changeset
256
836
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diff changeset
257 def __init__(self, name, startTime, duration, cameraView, databaseFilename = None, virtual = False):
821
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diff changeset
258 '''startTime is passed as string in utils.datetimeFormat, eg 2011-06-22 10:00:39
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diff changeset
259 duration is a timedelta object'''
421
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diff changeset
260 self.name = name
828
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diff changeset
261 if isinstance(startTime, str):
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diff changeset
262 self.startTime = datetime.strptime(startTime, datetimeFormat)
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parents: 825
diff changeset
263 else:
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diff changeset
264 self.startTime = startTime
421
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diff changeset
265 self.duration = duration
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diff changeset
266 self.cameraView = cameraView
819
fc8b3ce629d1 important modifications to metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 805
diff changeset
267 if databaseFilename is None and len(self.name) > 0:
fc8b3ce629d1 important modifications to metadata
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parents: 805
diff changeset
268 self.databaseFilename = removeExtension(self.name)+'.sqlite'
846
37d14818db89 minor bug
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 838
diff changeset
269 else:
37d14818db89 minor bug
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parents: 838
diff changeset
270 self.databaseFilename = databaseFilename
836
7058a40a4bbc updated metadata and code to merge features from different cameras
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 830
diff changeset
271 self.virtual = virtual
421
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diff changeset
272
422
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diff changeset
273 def getVideoSequenceFilename(self, relativeToSiteFilename = True):
67c7ff5d6b26 added new fields for units, getting filenames
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diff changeset
274 if relativeToSiteFilename:
865
5afa1d30edd8 minor improvement to path description and path accessors
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diff changeset
275 return path.join(self.cameraView.site.getPath(), self.name)
422
67c7ff5d6b26 added new fields for units, getting filenames
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parents: 421
diff changeset
276 else:
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diff changeset
277 return self.name
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parents: 421
diff changeset
278
830
2a5856961933 first working version of feature merging (works with feature grouping)
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diff changeset
279 def getDatabaseFilename(self, relativeToSiteFilename = True):
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diff changeset
280 if relativeToSiteFilename:
865
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diff changeset
281 return path.join(self.cameraView.site.getPath(), self.databaseFilename)
830
2a5856961933 first working version of feature merging (works with feature grouping)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 828
diff changeset
282 else:
2a5856961933 first working version of feature merging (works with feature grouping)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 828
diff changeset
283 return self.databaseFilename
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diff changeset
284
828
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diff changeset
285 def getTimeInterval(self):
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diff changeset
286 return TimeInterval(self.startTime, self.startTime+self.duration)
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diff changeset
287
821
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
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diff changeset
288 def containsInstant(self, instant):
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diff changeset
289 'instant is a datetime'
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diff changeset
290 return self.startTime <= instant and self.startTime+self.duration
828
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diff changeset
291
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diff changeset
292 def intersection(self, startTime, endTime):
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parents: 825
diff changeset
293 'returns the moving.TimeInterval intersection with [startTime, endTime]'
14e4ad7c7420 work on merging data for synchronized views
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parents: 825
diff changeset
294 return TimeInterval.intersection(self.getTimeInterval(), TimeInterval(startTime, endTime))
821
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
295
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
296 def getFrameNum(self, instant):
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
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parents: 819
diff changeset
297 'Warning, there is no check of correct time units'
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
298 if self.containsInstant(instant):
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
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parents: 819
diff changeset
299 return int(floor((instant-self.startTime).seconds*self.cameraView.cameraType.frameRate))
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
300 else:
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
301 return None
424
e74a09bddb6d new fields
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 422
diff changeset
302
865
5afa1d30edd8 minor improvement to path description and path accessors
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diff changeset
303 class TrackingAnnotation(Base):
5afa1d30edd8 minor improvement to path description and path accessors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 862
diff changeset
304 __tablename__ = 'tracking_annotations'
5afa1d30edd8 minor improvement to path description and path accessors
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parents: 862
diff changeset
305 idx = Column(Integer, primary_key=True)
5afa1d30edd8 minor improvement to path description and path accessors
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parents: 862
diff changeset
306 description = Column(String) # description
866
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
307 groundTruthFilename = Column(String)
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
308 firstFrameNum = Column(Integer) # first frame num of annotated data (could be computed on less data)
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
309 lastFrameNum = Column(Integer)
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
310 videoSequenceIdx = Column(Integer, ForeignKey('video_sequences.idx'))
867
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
311 maskFilename = Column(String) # path to mask file (can be different from camera view, for annotations), relative to site name
866
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
312 undistorted = Column(Boolean) # indicates whether the annotations were done in undistorted video space
865
5afa1d30edd8 minor improvement to path description and path accessors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 862
diff changeset
313
955
a15e843af55a correcting errors in metadata names for backrefs
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 872
diff changeset
314 videoSequence = relationship("VideoSequence", backref = backref('trackingAnnotations'))
866
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
315
867
003445db1e30 forgot annotation mask filename
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diff changeset
316 def __init__(self, description, groundTruthFilename, firstFrameNum, lastFrameNum, videoSequence, maskFilename, undistorted = True):
866
8fba46899e74 addition of class to represent tracking annotations
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diff changeset
317 self.description = description
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parents: 865
diff changeset
318 self.groundTruthFilename = groundTruthFilename
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
319 self.firstFrameNum = firstFrameNum
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
320 self.lastFrameNum = lastFrameNum
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
321 self.videoSequence = videoSequence
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
322 self.undistorted = undistorted
867
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
323 self.maskFilename = maskFilename
866
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
324
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
325 def getGroundTruthFilename(self, relativeToSiteFilename = True):
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
326 if relativeToSiteFilename:
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
327 return path.join(self.videoSequence.cameraView.site.getPath(), self.groundTruthFilename)
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
328 else:
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
329 return self.groundTruthFilename
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
330
867
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
331 def getMaskFilename(self, relativeToSiteFilename = True):
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
332 if relativeToSiteFilename:
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
333 return path.join(self.videoSequence.cameraView.site.getPath(), self.maskFilename)
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
334 else:
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
335 return self.maskFilename
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
336
866
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
337 def getTimeInterval(self):
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
338 return TimeInterval(self.firstFrameNum, self.lastFrameNum)
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
339
422
67c7ff5d6b26 added new fields for units, getting filenames
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 421
diff changeset
340 # add class for Analysis: foreign key VideoSequenceId, dataFilename, configFilename (get the one from camera view by default), mask? (no, can be referenced in the tracking cfg file)
67c7ff5d6b26 added new fields for units, getting filenames
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 421
diff changeset
341
421
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parents: 420
diff changeset
342 # class Analysis(Base): # parameters necessary for processing the data: free form
4fce27946c60 first example of video metadata using sqlalchemy
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 420
diff changeset
343 # eg bounding box depends on camera view, tracking configuration depends on camera view
424
e74a09bddb6d new fields
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 422
diff changeset
344 # results: sqlite
421
4fce27946c60 first example of video metadata using sqlalchemy
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 420
diff changeset
345
426
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
346 def createDatabase(filename):
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
347 'creates a session to query the filename'
1073
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
348 if Path(filename).is_file():
1087
9cc51a2d3c46 bug corrected
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1086
diff changeset
349 print('The file '+filename+' exists')
9cc51a2d3c46 bug corrected
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1086
diff changeset
350 return None
9cc51a2d3c46 bug corrected
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1086
diff changeset
351 else:
1073
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
352 engine = create_engine('sqlite:///'+filename)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
353 Base.metadata.create_all(engine)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
354 Session = sessionmaker(bind=engine)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
355 return Session()
425
a31dde19caa8 connect function
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 424
diff changeset
356
426
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
357 def connectDatabase(filename):
425
a31dde19caa8 connect function
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 424
diff changeset
358 'creates a session to query the filename'
1073
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
359 if Path(filename).is_file():
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
360 engine = create_engine('sqlite:///'+filename)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
361 Session = sessionmaker(bind=engine)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
362 return Session()
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
363 else:
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
364 print('The file '+filename+' does not exist')
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1050
diff changeset
365 return None
426
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
366
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
367 def getSite(session, siteId = None, name = None, description = None):
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
368 'Returns the site(s) matching the index or the name'
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
369 if siteId is not None:
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
370 return session.query(Site).filter(Site.idx == int(siteId)).all()
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
371 elif name is not None:
1142
b3ee75b4978a getSite minor mistake for name
Etienne Beauchamp <etienne-2.beauchamp@polymtl.ca>
parents: 1140
diff changeset
372 return session.query(Site).filter(Site.name.like('%'+name+'%')).all()
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
373 elif description is not None:
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
374 return session.query(Site).filter(Site.description.like('%'+description+'%')).all()
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
375 else:
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
376 print('No siteId, name or description have been provided to the function')
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
377 return []
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
378
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
379 def getCameraView(session, viewId):
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
380 'Returns the site(s) matching the index'
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
381 return session.query(CameraView).filter(CameraView.idx == int(viewId)).first()
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
382
1050
9d4a06f49cb8 work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1028
diff changeset
383 def getSiteVideoSequences(site):
9d4a06f49cb8 work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1028
diff changeset
384 return [vs for cv in site.cameraViews for vs in cv.videoSequences]
9d4a06f49cb8 work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1028
diff changeset
385
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
386 def initializeSites(session, directoryName, nViewsPerSite = 1):
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
387 '''Initializes default site objects and n camera views per site
426
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
388
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
389 eg somedirectory/montreal/ contains intersection1, intersection2, etc.
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
390 The site names would be somedirectory/montreal/intersection1, somedirectory/montreal/intersection2, etc.
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
391 The views should be directories in somedirectory/montreal/intersection1'''
426
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parents: 425
diff changeset
392 sites = []
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
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393 cameraViews = []
972
b50145235f9e bug corrected
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parents: 971
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394 names = sorted(listdir(directoryName))
426
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parents: 425
diff changeset
395 for name in names:
968
32a34a143c27 work on sumo and metadata
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parents: 957
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396 if path.isdir(directoryName+sep+name):
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parents: 957
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397 sites.append(Site(directoryName+sep+name, None))
971
9897a13772fb added utils to load video sequence in metadata
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parents: 970
diff changeset
398 for cameraViewIdx in range(1, nViewsPerSite+1):
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parents: 970
diff changeset
399 cameraViews.append(CameraView('view{}'.format(cameraViewIdx), None, sites[-1], None, None, None))
426
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
400 session.add_all(sites)
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parents: 425
diff changeset
401 session.add_all(cameraViews)
334e1151828b corrected creation and connection to database + helper function to generate sites and camera views
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 425
diff changeset
402 session.commit()
969
5d788d2e8ffc work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
403
970
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
404 def initializeVideos(session, cameraView, directoryName, startTime = None, datetimeFormat = None):
969
5d788d2e8ffc work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
405 '''Initializes videos with time or tries to guess it from filename
5d788d2e8ffc work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
406 directoryName should contain the videos to find and be the relative path from the site location'''
972
b50145235f9e bug corrected
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 971
diff changeset
407 names = sorted(listdir(directoryName))
969
5d788d2e8ffc work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
408 videoSequences = []
971
9897a13772fb added utils to load video sequence in metadata
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parents: 970
diff changeset
409 if datetimeFormat is not None:
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
410 timeConverter = TimeConverter(datetimeFormat)
969
5d788d2e8ffc work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
411 for name in names:
970
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
412 prefix = removeExtension(name)
969
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
413 extension = getExtension(name)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
414 if extension in videoFilenameExtensions:
971
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parents: 970
diff changeset
415 if datetimeFormat is not None:
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parents: 970
diff changeset
416 from argparse import ArgumentTypeError
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
417 try:
972
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parents: 971
diff changeset
418 t1 = timeConverter.convert(name[:name.rfind('_')])
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parents: 970
diff changeset
419 print('DB time {} / Time from filename {}'.format(startTime, t1))
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
420 except ArgumentTypeError as e:
9897a13772fb added utils to load video sequence in metadata
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parents: 970
diff changeset
421 print('File format error for time {} (prefix {})'.format(name, prefix))
970
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
422 vidinfo = infoVideo(directoryName+sep+name)
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
423 duration = vidinfo['number of frames']#timedelta(minutes = 27, seconds = 33)
bf401567a933 work on initializing videos for metadata
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parents: 969
diff changeset
424 fps = vidinfo['fps']
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
425 duration = timedelta(seconds=duration/fps)
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
426 videoSequences.append(VideoSequence(directoryName+sep+name, startTime, duration, cameraView, directoryName+sep+prefix+'.sqlite'))
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
427 startTime += duration
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
428 session.add_all(videoSequences)
bf401567a933 work on initializing videos for metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 969
diff changeset
429 session.commit()
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
430
1086
8734742c08c0 major refactoring of curvilinear trajectory projections
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1073
diff changeset
431 def generateTimeIntervals(videoSequences, maxTimeGap):
8734742c08c0 major refactoring of curvilinear trajectory projections
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parents: 1073
diff changeset
432 ''
1140
78dddfe7aa0f added alignments for sites
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1087
diff changeset
433
78dddfe7aa0f added alignments for sites
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1087
diff changeset
434 def addAlignment(session, site, t):
78dddfe7aa0f added alignments for sites
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parents: 1087
diff changeset
435 'Adds trajectory (moving.Trajectory) t to metadata of site'
78dddfe7aa0f added alignments for sites
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parents: 1087
diff changeset
436 al = Alignment(site)
78dddfe7aa0f added alignments for sites
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1087
diff changeset
437 session.add(al)
78dddfe7aa0f added alignments for sites
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1087
diff changeset
438 session.commit()
78dddfe7aa0f added alignments for sites
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1087
diff changeset
439 points = []
78dddfe7aa0f added alignments for sites
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1087
diff changeset
440 for i,p in enumerate(t):
78dddfe7aa0f added alignments for sites
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parents: 1087
diff changeset
441 points.append(Point(al, i, p.x, p.y))
78dddfe7aa0f added alignments for sites
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parents: 1087
diff changeset
442 session.add_all(points)
78dddfe7aa0f added alignments for sites
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1087
diff changeset
443 session.commit()
1086
8734742c08c0 major refactoring of curvilinear trajectory projections
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 1073
diff changeset
444
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
445 # management
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
446 # TODO need to be able to copy everything from a site from one sqlite to another, and delete everything attached to a site