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annotate python/metadata.py @ 955:a15e843af55a

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correcting errors in metadata names for backrefs
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Tue, 15 Aug 2017 16:15:27 -0400
parents c70adaeeddf5
children 5d9899504977
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from datetime import datetime, timedelta
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2 from os import path
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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
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12 from cvutils import computeUndistortMaps
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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 @staticmethod
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74 def getSite(session, siteId):
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75 'Returns the site(s) matching the index or the name'
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76 if str.isdigit(siteId):
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77 return session.query(Site).filter(Site.idx == int(siteId)).all()
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78 else:
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79 return session.query(Site).filter(Site.description.like('%'+siteId+'%')).all()
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80
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81
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82 class EnvironementalFactors(Base):
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83 '''Represents any environmental factors that may affect the results, in particular
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84 * changing weather conditions
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85 * changing road configuration, geometry, signalization, etc.
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86 ex: sunny, rainy, before counter-measure, after counter-measure'''
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87 __tablename__ = 'environmental_factors'
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88 idx = Column(Integer, primary_key=True)
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89 startTime = Column(DateTime)
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90 endTime = Column(DateTime)
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91 description = Column(String) # eg sunny, before, after
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92 siteIdx = Column(Integer, ForeignKey('sites.idx'))
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93
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94 site = relationship("Site", backref = backref('environmentalFactors'))
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95
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96 def __init__(self, startTime, endTime, description, site):
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97 'startTime is passed as string in utils.datetimeFormat, eg 2011-06-22 10:00:39'
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98 self.startTime = datetime.strptime(startTime, datetimeFormat)
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99 self.endTime = datetime.strptime(endTime, datetimeFormat)
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100 self.description = description
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101 self.site = site
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102
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103 class CameraType(Base):
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104 ''' Represents parameters of the specific camera used.
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105
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106 Taken and adapted from tvalib'''
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107 __tablename__ = 'camera_types'
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108 idx = Column(Integer, primary_key=True)
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109 name = Column(String)
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110 resX = Column(Integer)
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111 resY = Column(Integer)
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112 frameRate = Column(Float)
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113 frameRateTimeUnit = Column(String, default = 's')
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114 intrinsicCameraMatrixStr = Column(String)
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115 distortionCoefficientsStr = Column(String)
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116 undistortedImageMultiplication = Column(Float)
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117
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118 def __init__(self, name, resX, resY, frameRate, frameRateTimeUnit = 's', trackingConfigurationFilename = None, intrinsicCameraFilename = None, intrinsicCameraMatrix = None, distortionCoefficients = None, undistortedImageMultiplication = None):
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119 self.name = name
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120 self.resX = resX
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121 self.resY = resY
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122 self.frameRate = frameRate
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123 self.frameRateTimeUnit = frameRateTimeUnit
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124 self.intrinsicCameraMatrix = None # should be np.array
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125 self.distortionCoefficients = None # list
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126
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127 if trackingConfigurationFilename is not None:
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128 from storage import ProcessParameters
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129 params = ProcessParameters(trackingConfigurationFilename)
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130 self.intrinsicCameraMatrix = params.intrinsicCameraMatrix
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131 self.distortionCoefficients = params.distortionCoefficients
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132 self.undistortedImageMultiplication = params.undistortedImageMultiplication
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133 elif intrinsicCameraFilename is not None:
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134 self.intrinsicCameraMatrix = loadtxt(intrinsicCameraFilename)
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135 self.distortionCoefficients = distortionCoefficients
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136 self.undistortedImageMultiplication = undistortedImageMultiplication
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137 else:
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138 self.intrinsicCameraMatrix = intrinsicCameraMatrix
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139 self.distortionCoefficients = distortionCoefficients
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140 self.undistortedImageMultiplication = undistortedImageMultiplication
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141
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142 if self.intrinsicCameraMatrix is not None:
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143 self.intrinsicCameraMatrixStr = str(self.intrinsicCameraMatrix.tolist())
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144 if self.distortionCoefficients is not None and len(self.distortionCoefficients) == 5:
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145 self.distortionCoefficientsStr = str(self.distortionCoefficients)
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146
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147 @orm.reconstructor
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148 def initOnLoad(self):
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149 if self.intrinsicCameraMatrixStr is not None:
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150 from ast import literal_eval
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151 self.intrinsicCameraMatrix = array(literal_eval(self.intrinsicCameraMatrixStr))
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152 else:
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153 self.intrinsicCameraMatrix = None
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154 if self.distortionCoefficientsStr is not None:
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155 self.distortionCoefficients = literal_eval(self.distortionCoefficientsStr)
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156 else:
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157 self.distortionCoefficients = None
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158
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159 def computeUndistortMaps(self):
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160 if self.undistortedImageMultiplication is not None and self.intrinsicCameraMatrix is not None and self.distortionCoefficients is not None:
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161 self.map1, self.map2 = computeUndistortMaps(self.resX, self.resY, self.undistortedImageMultiplication, self.intrinsicCameraMatrix, self.distortionCoefficients)
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162 else:
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163 self.map1 = None
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164 self.map2 = None
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165
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166 @staticmethod
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167 def getCameraType(session, cameraTypeId, resX = None):
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168 'Returns the site(s) matching the index or the name'
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169 if str.isdigit(cameraTypeId):
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170 return session.query(CameraType).filter(CameraType.idx == int(cameraTypeId)).all()
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171 else:
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172 if resX is not None:
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173 return session.query(CameraType).filter(CameraType.name.like('%'+cameraTypeId+'%')).filter(CameraType.resX == resX).all()
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174 else:
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175 return session.query(CameraType).filter(CameraType.name.like('%'+cameraTypeId+'%')).all()
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176
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177 # class SiteDescription(Base): # list of lines and polygons describing the site, eg for sidewalks, center lines
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178
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179 class CameraView(Base):
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180 __tablename__ = 'camera_views'
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181 idx = Column(Integer, primary_key=True)
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182 description = Column(String)
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183 homographyFilename = Column(String) # path to homograph file, relative to the site name
580
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184 siteIdx = Column(Integer, ForeignKey('sites.idx'))
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185 cameraTypeIdx = Column(Integer, ForeignKey('camera_types.idx'))
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186 trackingConfigurationFilename = Column(String) # path to configuration .cfg file, relative to site name
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187 maskFilename = Column(String) # path to mask file, relative to site name
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188 virtual = Column(Boolean) # indicates it is not a real camera view, eg merged
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189
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diff changeset
190 site = relationship("Site", backref = backref('cameraViews'))
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diff changeset
191 cameraType = relationship('CameraType', backref = backref('cameraViews'))
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192
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193 def __init__(self, description, homographyFilename, site, cameraType, trackingConfigurationFilename, maskFilename, virtual = False):
821
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194 self.description = description
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diff changeset
195 self.homographyFilename = homographyFilename
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diff changeset
196 self.site = site
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197 self.cameraType = cameraType
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198 self.trackingConfigurationFilename = trackingConfigurationFilename
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199 self.maskFilename = maskFilename
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200 self.virtual = virtual
421
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diff changeset
201
422
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diff changeset
202 def getHomographyFilename(self, relativeToSiteFilename = True):
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diff changeset
203 if relativeToSiteFilename:
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204 return path.join(self.site.getPath(), self.homographyFilename)
422
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diff changeset
205 else:
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diff changeset
206 return self.homographyFilename
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diff changeset
207
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208 def getTrackingConfigurationFilename(self, relativeToSiteFilename = True):
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209 if relativeToSiteFilename:
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210 return path.join(self.site.getPath(), self.trackingConfigurationFilename)
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diff changeset
211 else:
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212 return self.trackingConfigurationFilename
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diff changeset
213
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diff changeset
214 def getMaskFilename(self, relativeToSiteFilename = True):
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diff changeset
215 if relativeToSiteFilename:
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diff changeset
216 return path.join(self.site.getPath(), self.maskFilename)
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diff changeset
217 else:
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diff changeset
218 return self.maskFilename
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diff changeset
219
819
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diff changeset
220 def getTrackingParameters(self):
825
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diff changeset
221 return ProcessParameters(self.getTrackingConfigurationFilename())
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diff changeset
222
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diff changeset
223 def getHomographyDistanceUnit(self):
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff changeset
224 return self.site.worldDistanceUnit
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diff changeset
225
866
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diff changeset
226 # class Alignment(Base):
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227 # __tablename__ = 'alignments'
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diff changeset
228 # idx = Column(Integer, primary_key=True)
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229 # siteIdx = Column(Integer, ForeignKey('sites.idx'))
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diff changeset
230
955
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diff changeset
231 # cameraView = relationship("Site", backref = backref('alignments'))
580
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diff changeset
232
866
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233 # def __init__(self, cameraView):
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234 # self.cameraView = cameraView
580
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diff changeset
235
866
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diff changeset
236 # class Point(Base):
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diff changeset
237 # __tablename__ = 'points'
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diff changeset
238 # alignmentIdx = Column(Integer, ForeignKey('alignments.idx'), primary_key=True)
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diff changeset
239 # index = Column(Integer, primary_key=True) # order of points in this alignment
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diff changeset
240 # x = Column(Float)
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diff changeset
241 # y = Column(Float)
580
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diff changeset
242
955
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diff changeset
243 # alignment = relationship("Alignment", backref = backref('points', order_by = index))
580
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diff changeset
244
866
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diff changeset
245 # def __init__(self, alignmentIdx, index, x, y):
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diff changeset
246 # self.alignmentIdx = alignmentIdx
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diff changeset
247 # self.index = index
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diff changeset
248 # self.x = x
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diff changeset
249 # self.y = y
580
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diff changeset
250
420
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251 class VideoSequence(Base):
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parents:
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252 __tablename__ = 'video_sequences'
580
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diff changeset
253 idx = Column(Integer, primary_key=True)
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diff changeset
254 name = Column(String) # path to the video file relative to the the site name
420
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parents:
diff changeset
255 startTime = Column(DateTime)
821
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parents: 819
diff changeset
256 duration = Column(Interval) # video sequence duration
865
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diff changeset
257 databaseFilename = Column(String) # path to the database file relative to the the site name
836
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff changeset
258 virtual = Column(Boolean) # indicates it is not a real video sequence (no video file), eg merged
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259 cameraViewIdx = Column(Integer, ForeignKey('camera_views.idx'))
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260
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261 cameraView = relationship("CameraView", backref = backref('videoSequences', order_by = idx))
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262
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263 def __init__(self, name, startTime, duration, cameraView, databaseFilename = None, virtual = False):
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264 '''startTime is passed as string in utils.datetimeFormat, eg 2011-06-22 10:00:39
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265 duration is a timedelta object'''
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266 self.name = name
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267 if isinstance(startTime, str):
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268 self.startTime = datetime.strptime(startTime, datetimeFormat)
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269 else:
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270 self.startTime = startTime
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271 self.duration = duration
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272 self.cameraView = cameraView
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273 if databaseFilename is None and len(self.name) > 0:
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274 self.databaseFilename = removeExtension(self.name)+'.sqlite'
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275 else:
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276 self.databaseFilename = databaseFilename
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277 self.virtual = virtual
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278
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279 def getVideoSequenceFilename(self, relativeToSiteFilename = True):
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280 if relativeToSiteFilename:
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281 return path.join(self.cameraView.site.getPath(), self.name)
422
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282 else:
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283 return self.name
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284
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285 def getDatabaseFilename(self, relativeToSiteFilename = True):
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286 if relativeToSiteFilename:
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287 return path.join(self.cameraView.site.getPath(), self.databaseFilename)
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288 else:
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289 return self.databaseFilename
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290
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291 def getTimeInterval(self):
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292 return TimeInterval(self.startTime, self.startTime+self.duration)
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293
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294 def containsInstant(self, instant):
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295 'instant is a datetime'
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296 return self.startTime <= instant and self.startTime+self.duration
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297
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298 def intersection(self, startTime, endTime):
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299 'returns the moving.TimeInterval intersection with [startTime, endTime]'
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300 return TimeInterval.intersection(self.getTimeInterval(), TimeInterval(startTime, endTime))
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diff changeset
301
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diff changeset
302 def getFrameNum(self, instant):
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diff changeset
303 'Warning, there is no check of correct time units'
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diff changeset
304 if self.containsInstant(instant):
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diff changeset
305 return int(floor((instant-self.startTime).seconds*self.cameraView.cameraType.frameRate))
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diff changeset
306 else:
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diff changeset
307 return None
424
e74a09bddb6d new fields
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diff changeset
308
865
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diff changeset
309 class TrackingAnnotation(Base):
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diff changeset
310 __tablename__ = 'tracking_annotations'
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diff changeset
311 idx = Column(Integer, primary_key=True)
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diff changeset
312 description = Column(String) # description
866
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diff changeset
313 groundTruthFilename = Column(String)
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diff changeset
314 firstFrameNum = Column(Integer) # first frame num of annotated data (could be computed on less data)
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diff changeset
315 lastFrameNum = Column(Integer)
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diff changeset
316 videoSequenceIdx = Column(Integer, ForeignKey('video_sequences.idx'))
867
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diff changeset
317 maskFilename = Column(String) # path to mask file (can be different from camera view, for annotations), relative to site name
866
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diff changeset
318 undistorted = Column(Boolean) # indicates whether the annotations were done in undistorted video space
865
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diff changeset
319
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a15e843af55a correcting errors in metadata names for backrefs
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diff changeset
320 videoSequence = relationship("VideoSequence", backref = backref('trackingAnnotations'))
866
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diff changeset
321
867
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diff changeset
322 def __init__(self, description, groundTruthFilename, firstFrameNum, lastFrameNum, videoSequence, maskFilename, undistorted = True):
866
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diff changeset
323 self.description = description
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diff changeset
324 self.groundTruthFilename = groundTruthFilename
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325 self.firstFrameNum = firstFrameNum
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diff changeset
326 self.lastFrameNum = lastFrameNum
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diff changeset
327 self.videoSequence = videoSequence
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diff changeset
328 self.undistorted = undistorted
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diff changeset
329 self.maskFilename = maskFilename
866
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diff changeset
330
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diff changeset
331 def getGroundTruthFilename(self, relativeToSiteFilename = True):
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diff changeset
332 if relativeToSiteFilename:
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diff changeset
333 return path.join(self.videoSequence.cameraView.site.getPath(), self.groundTruthFilename)
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diff changeset
334 else:
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diff changeset
335 return self.groundTruthFilename
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diff changeset
336
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337 def getMaskFilename(self, relativeToSiteFilename = True):
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diff changeset
338 if relativeToSiteFilename:
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diff changeset
339 return path.join(self.videoSequence.cameraView.site.getPath(), self.maskFilename)
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diff changeset
340 else:
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341 return self.maskFilename
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diff changeset
342
866
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diff changeset
343 def getTimeInterval(self):
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diff changeset
344 return TimeInterval(self.firstFrameNum, self.lastFrameNum)
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diff changeset
345
422
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diff changeset
346 # 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)
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diff changeset
347
421
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diff changeset
348 # class Analysis(Base): # parameters necessary for processing the data: free form
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diff changeset
349 # eg bounding box depends on camera view, tracking configuration depends on camera view
424
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diff changeset
350 # results: sqlite
421
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diff changeset
351
426
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diff changeset
352 def createDatabase(filename):
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diff changeset
353 'creates a session to query the filename'
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diff changeset
354 engine = create_engine('sqlite:///'+filename)
421
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diff changeset
355 Base.metadata.create_all(engine)
426
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diff changeset
356 Session = sessionmaker(bind=engine)
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diff changeset
357 return Session()
425
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diff changeset
358
426
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diff changeset
359 def connectDatabase(filename):
425
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diff changeset
360 'creates a session to query the filename'
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diff changeset
361 engine = create_engine('sqlite:///'+filename)
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diff changeset
362 Session = sessionmaker(bind=engine)
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diff changeset
363 return Session()
426
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diff changeset
364
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diff changeset
365 def initializeSites(session, directoryName):
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diff changeset
366 '''Initializes default site objects and Camera Views
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diff changeset
367
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diff changeset
368 eg somedirectory/montreal/ contains intersection1, intersection2, etc.
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diff changeset
369 The site names would be somedirectory/montreal/intersection1, somedirectory/montreal/intersection2, etc.'''
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diff changeset
370 from os import listdir, path
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diff changeset
371 sites = []
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diff changeset
372 cameraViews = []
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diff changeset
373 names = listdir(directoryName)
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diff changeset
374 for name in names:
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diff changeset
375 if path.isdir(directoryName+'/'+name):
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diff changeset
376 sites.append(Site(directoryName+'/'+name, None))
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diff changeset
377 cameraViews.append(CameraView(-1, None, None, sites[-1], None))
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diff changeset
378 session.add_all(sites)
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diff changeset
379 session.add_all(cameraViews)
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diff changeset
380 session.commit()
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parents: 425
diff changeset
381 # TODO crawler for video files?