Mercurial Hosting > traffic-intelligence
annotate scripts/display-trajectories.py @ 478:d337bffd7283
Display of points in compute homography and step option to replay videos
A bug seems to remain with respect to trajectory bounds, to check
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Thu, 27 Mar 2014 11:40:28 -0400 |
parents | eaf7765221d9 |
children | f6415f012640 |
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1 #! /usr/bin/env python |
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2 |
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3 import sys, argparse |
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4 |
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5 import storage, cvutils, utils |
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6 |
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7 from numpy.linalg.linalg import inv |
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8 from numpy import loadtxt |
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9 |
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10 parser = argparse.ArgumentParser(description='The program displays feature or object trajectories overlaid over the video frames.', epilog = 'Either the configuration filename or the other parameters (at least video and database filenames) need to be provided.') |
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11 parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the configuration file') |
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12 parser.add_argument('-d', dest = 'databaseFilename', help = 'name of the Sqlite database file') |
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13 parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file') |
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14 parser.add_argument('-t', dest = 'trajectoryType', help = 'type of trajectories to display', choices = ['feature', 'object'], default = 'feature') |
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15 parser.add_argument('-o', dest = 'homography', help = 'name of the image to world homography') |
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16 parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int) |
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17 parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float) |
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18 parser.add_argument('-s', dest = 'nFramesStep', help = 'number of frames between each display', default = 1, type = int) |
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19 |
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20 args = parser.parse_args() |
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22 homography = None |
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23 if args.configFilename: # consider there is a configuration file |
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24 params = utils.TrackingParameters() |
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25 params.loadConfigFile(args.configFilename) |
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26 videoFilename = params.videoFilename |
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27 databaseFilename = params.databaseFilename |
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28 homography = inv(params.homography) |
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29 firstFrameNum = params.firstFrameNum |
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30 |
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31 if args.videoFilename != None: |
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32 videoFilename = args.videoFilename |
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33 if args.databaseFilename != None: |
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parents:
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34 databaseFilename = args.databaseFilename |
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parents:
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35 if args.homography != None: |
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36 homography = inv(loadtxt(args.homography)) |
a50a69e04c2a
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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37 if args.firstFrameNum != None: |
347
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parents:
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38 firstFrameNum = args.firstFrameNum |
236
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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39 |
347
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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40 objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType) |
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41 boundingBoxes = storage.loadBoundingBoxTable(databaseFilename) |
478
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
393
diff
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42 cvutils.displayTrajectories(videoFilename, objects, boundingBoxes, homography, firstFrameNum, rescale = args.rescale, nFramesStep = args.nFramesStep) |