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annotate python/metadata.py @ 1004:75601be6019f

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work on process
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sun, 03 Jun 2018 00:21:18 -0400
parents b50145235f9e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 from datetime import datetime, timedelta
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2 from os import path, listdir, sep
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3 from math import floor
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4
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5 from numpy import zeros, loadtxt, array
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6
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7 from sqlalchemy import orm, create_engine, Column, Integer, Float, DateTime, String, ForeignKey, Boolean, Interval
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8 from sqlalchemy.orm import relationship, backref, sessionmaker
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9 from sqlalchemy.ext.declarative import declarative_base
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10
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11 from utils import datetimeFormat, removeExtension, getExtension, TimeConverter
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12 from cvutils import computeUndistortMaps, videoFilenameExtensions, infoVideo
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13 from moving import TimeInterval
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14
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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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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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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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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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182 self.description = description
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183 self.homographyFilename = homographyFilename
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184 self.site = site
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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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189
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190 def getHomographyFilename(self, relativeToSiteFilename = True):
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191 if relativeToSiteFilename:
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192 return path.join(self.site.getPath(), self.homographyFilename)
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193 else:
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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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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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202 def getMaskFilename(self, relativeToSiteFilename = True):
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203 if relativeToSiteFilename:
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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):
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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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215 # __tablename__ = 'alignments'
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diff changeset
216 # idx = Column(Integer, primary_key=True)
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217 # siteIdx = Column(Integer, ForeignKey('sites.idx'))
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218
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219 # cameraView = relationship("Site", backref = backref('alignments'))
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220
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221 # def __init__(self, cameraView):
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222 # self.cameraView = cameraView
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223
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224 # class Point(Base):
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225 # __tablename__ = 'points'
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diff changeset
226 # alignmentIdx = Column(Integer, ForeignKey('alignments.idx'), primary_key=True)
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diff changeset
227 # index = Column(Integer, primary_key=True) # order of points in this alignment
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diff changeset
228 # x = Column(Float)
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diff changeset
229 # y = Column(Float)
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diff changeset
230
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diff changeset
231 # alignment = relationship("Alignment", backref = backref('points', order_by = index))
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diff changeset
232
866
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diff changeset
233 # def __init__(self, alignmentIdx, index, x, y):
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diff changeset
234 # self.alignmentIdx = alignmentIdx
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diff changeset
235 # self.index = index
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diff changeset
236 # self.x = x
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237 # self.y = y
580
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diff changeset
238
420
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239 class VideoSequence(Base):
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240 __tablename__ = 'video_sequences'
580
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diff changeset
241 idx = Column(Integer, primary_key=True)
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diff changeset
242 name = Column(String) # path to the video file relative to the the site name
420
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parents:
diff changeset
243 startTime = Column(DateTime)
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diff changeset
244 duration = Column(Interval) # video sequence duration
865
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diff changeset
245 databaseFilename = Column(String) # path to the database file relative to the the site name
836
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diff changeset
246 virtual = Column(Boolean) # indicates it is not a real video sequence (no video file), eg merged
580
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diff changeset
247 cameraViewIdx = Column(Integer, ForeignKey('camera_views.idx'))
420
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diff changeset
248
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diff changeset
249 cameraView = relationship("CameraView", backref = backref('videoSequences', order_by = idx))
420
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diff changeset
250
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diff changeset
251 def __init__(self, name, startTime, duration, cameraView, databaseFilename = None, virtual = False):
821
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diff changeset
252 '''startTime is passed as string in utils.datetimeFormat, eg 2011-06-22 10:00:39
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diff changeset
253 duration is a timedelta object'''
421
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diff changeset
254 self.name = name
828
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diff changeset
255 if isinstance(startTime, str):
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diff changeset
256 self.startTime = datetime.strptime(startTime, datetimeFormat)
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diff changeset
257 else:
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diff changeset
258 self.startTime = startTime
421
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diff changeset
259 self.duration = duration
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diff changeset
260 self.cameraView = cameraView
819
fc8b3ce629d1 important modifications to metadata
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parents: 805
diff changeset
261 if databaseFilename is None and len(self.name) > 0:
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diff changeset
262 self.databaseFilename = removeExtension(self.name)+'.sqlite'
846
37d14818db89 minor bug
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diff changeset
263 else:
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diff changeset
264 self.databaseFilename = databaseFilename
836
7058a40a4bbc updated metadata and code to merge features from different cameras
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diff changeset
265 self.virtual = virtual
421
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diff changeset
266
422
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diff changeset
267 def getVideoSequenceFilename(self, relativeToSiteFilename = True):
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diff changeset
268 if relativeToSiteFilename:
865
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diff changeset
269 return path.join(self.cameraView.site.getPath(), self.name)
422
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parents: 421
diff changeset
270 else:
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diff changeset
271 return self.name
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diff changeset
272
830
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diff changeset
273 def getDatabaseFilename(self, relativeToSiteFilename = True):
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diff changeset
274 if relativeToSiteFilename:
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diff changeset
275 return path.join(self.cameraView.site.getPath(), self.databaseFilename)
830
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parents: 828
diff changeset
276 else:
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diff changeset
277 return self.databaseFilename
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diff changeset
278
828
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diff changeset
279 def getTimeInterval(self):
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diff changeset
280 return TimeInterval(self.startTime, self.startTime+self.duration)
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diff changeset
281
821
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
282 def containsInstant(self, instant):
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diff changeset
283 'instant is a datetime'
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diff changeset
284 return self.startTime <= instant and self.startTime+self.duration
828
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diff changeset
285
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diff changeset
286 def intersection(self, startTime, endTime):
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diff changeset
287 'returns the moving.TimeInterval intersection with [startTime, endTime]'
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diff changeset
288 return TimeInterval.intersection(self.getTimeInterval(), TimeInterval(startTime, endTime))
821
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diff changeset
289
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff changeset
290 def getFrameNum(self, instant):
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parents: 819
diff changeset
291 'Warning, there is no check of correct time units'
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
292 if self.containsInstant(instant):
26daf35180ad finished modification and demo script to replay synchronized video (with same frame rate)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
293 return int(floor((instant-self.startTime).seconds*self.cameraView.cameraType.frameRate))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
294 else:
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 819
diff changeset
295 return None
424
e74a09bddb6d new fields
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parents: 422
diff changeset
296
865
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diff changeset
297 class TrackingAnnotation(Base):
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parents: 862
diff changeset
298 __tablename__ = 'tracking_annotations'
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parents: 862
diff changeset
299 idx = Column(Integer, primary_key=True)
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parents: 862
diff changeset
300 description = Column(String) # description
866
8fba46899e74 addition of class to represent tracking annotations
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diff changeset
301 groundTruthFilename = Column(String)
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diff changeset
302 firstFrameNum = Column(Integer) # first frame num of annotated data (could be computed on less data)
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
303 lastFrameNum = Column(Integer)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
304 videoSequenceIdx = Column(Integer, ForeignKey('video_sequences.idx'))
867
003445db1e30 forgot annotation mask filename
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parents: 866
diff changeset
305 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
306 undistorted = Column(Boolean) # indicates whether the annotations were done in undistorted video space
865
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parents: 862
diff changeset
307
955
a15e843af55a correcting errors in metadata names for backrefs
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 872
diff changeset
308 videoSequence = relationship("VideoSequence", backref = backref('trackingAnnotations'))
866
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
309
867
003445db1e30 forgot annotation mask filename
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parents: 866
diff changeset
310 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
311 self.description = description
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parents: 865
diff changeset
312 self.groundTruthFilename = groundTruthFilename
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diff changeset
313 self.firstFrameNum = firstFrameNum
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parents: 865
diff changeset
314 self.lastFrameNum = lastFrameNum
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parents: 865
diff changeset
315 self.videoSequence = videoSequence
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
316 self.undistorted = undistorted
867
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
317 self.maskFilename = maskFilename
866
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
318
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
319 def getGroundTruthFilename(self, relativeToSiteFilename = True):
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parents: 865
diff changeset
320 if relativeToSiteFilename:
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
321 return path.join(self.videoSequence.cameraView.site.getPath(), self.groundTruthFilename)
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
322 else:
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
323 return self.groundTruthFilename
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
324
867
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
325 def getMaskFilename(self, relativeToSiteFilename = True):
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
326 if relativeToSiteFilename:
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
327 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
328 else:
003445db1e30 forgot annotation mask filename
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 866
diff changeset
329 return self.maskFilename
003445db1e30 forgot annotation mask filename
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parents: 866
diff changeset
330
866
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
331 def getTimeInterval(self):
8fba46899e74 addition of class to represent tracking annotations
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 865
diff changeset
332 return TimeInterval(self.firstFrameNum, self.lastFrameNum)
8fba46899e74 addition of class to represent tracking annotations
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parents: 865
diff changeset
333
422
67c7ff5d6b26 added new fields for units, getting filenames
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 421
diff changeset
334 # 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
335
421
4fce27946c60 first example of video metadata using sqlalchemy
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 420
diff changeset
336 # class Analysis(Base): # parameters necessary for processing the data: free form
4fce27946c60 first example of video metadata using sqlalchemy
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parents: 420
diff changeset
337 # 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
338 # results: sqlite
421
4fce27946c60 first example of video metadata using sqlalchemy
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parents: 420
diff changeset
339
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
340 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
341 'creates a session to query the 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
342 engine = create_engine('sqlite:///'+filename)
421
4fce27946c60 first example of video metadata using sqlalchemy
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 420
diff changeset
343 Base.metadata.create_all(engine)
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
344 Session = sessionmaker(bind=engine)
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
345 return Session()
425
a31dde19caa8 connect function
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 424
diff changeset
346
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
347 def connectDatabase(filename):
425
a31dde19caa8 connect function
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 424
diff changeset
348 'creates a session to query the filename'
a31dde19caa8 connect function
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 424
diff changeset
349 engine = create_engine('sqlite:///'+filename)
a31dde19caa8 connect function
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 424
diff changeset
350 Session = sessionmaker(bind=engine)
a31dde19caa8 connect function
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 424
diff changeset
351 return Session()
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
352
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
353 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
354 '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
355 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
356 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
357 elif name is not None:
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
358 return session.query(Site).filter(Site.description.like('%'+name+'%')).all()
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
359 elif description is not None:
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
360 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
361 else:
1004
75601be6019f work on process
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 972
diff changeset
362 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
363 return []
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
364
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
365 def getCameraView(session, viewId):
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
366 '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
367 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
368
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
369 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
370 '''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
371
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
372 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
373 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
374 The views should be directories in somedirectory/montreal/intersection1'''
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
375 sites = []
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
376 cameraViews = []
972
b50145235f9e bug corrected
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 971
diff changeset
377 names = sorted(listdir(directoryName))
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
378 for name in names:
968
32a34a143c27 work on sumo and metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 957
diff changeset
379 if path.isdir(directoryName+sep+name):
32a34a143c27 work on sumo and metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 957
diff changeset
380 sites.append(Site(directoryName+sep+name, None))
971
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
381 for cameraViewIdx in range(1, nViewsPerSite+1):
9897a13772fb added utils to load video sequence in metadata
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 970
diff changeset
382 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
383 session.add_all(sites)
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
384 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
385 session.commit()
969
5d788d2e8ffc work in progress
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 968
diff changeset
386
970
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387 def initializeVideos(session, cameraView, directoryName, startTime = None, datetimeFormat = None):
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388 '''Initializes videos with time or tries to guess it from filename
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389 directoryName should contain the videos to find and be the relative path from the site location'''
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390 names = sorted(listdir(directoryName))
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391 videoSequences = []
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392 if datetimeFormat is not None:
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393 timeConverter = TimeConverter(datetimeFormat)
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394 for name in names:
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395 prefix = removeExtension(name)
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396 extension = getExtension(name)
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397 if extension in videoFilenameExtensions:
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398 if datetimeFormat is not None:
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399 from argparse import ArgumentTypeError
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400 try:
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401 t1 = timeConverter.convert(name[:name.rfind('_')])
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402 print('DB time {} / Time from filename {}'.format(startTime, t1))
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403 except ArgumentTypeError as e:
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404 print('File format error for time {} (prefix {})'.format(name, prefix))
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405 vidinfo = infoVideo(directoryName+sep+name)
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406 duration = vidinfo['number of frames']#timedelta(minutes = 27, seconds = 33)
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407 fps = vidinfo['fps']
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408 duration = timedelta(seconds=duration/fps)
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409 videoSequences.append(VideoSequence(directoryName+sep+name, startTime, duration, cameraView, directoryName+sep+prefix+'.sqlite'))
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410 startTime += duration
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411 session.add_all(videoSequences)
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412 session.commit()
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413
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414 # management
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415 # TODO need to be able to copy everything from a site from one sqlite to another, and delete everything attached to a site