Mercurial Hosting > traffic-intelligence
annotate scripts/display-trajectories.py @ 347:7b865f4174aa
updated script to display trajectories with argparse module
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 26 Jun 2013 17:28:45 -0400 |
parents | dc2e68e936c7 |
children | a50a69e04c2a |
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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 |
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18 args = parser.parse_args() |
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19 |
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20 if args.configFilename: # consider there is a configuration file |
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21 params = utils.TrackingParameters() |
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22 params.loadConfigFile(args.configFilename) |
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23 videoFilename = params.videoFilename |
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24 databaseFilename = params.databaseFilename |
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25 homography = inv(params.homography) |
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26 firstFrameNum = params.firstFrameNum |
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27 else: |
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28 videoFilename = args.videoFilename |
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29 databaseFilename = args.databaseFilename |
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30 homography = None |
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31 if args.homography: |
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32 homography = inv(loadtxt(args.homography)) |
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33 firstFrameNum = args.firstFrameNum |
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34 |
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35 objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType) |
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36 cvutils.displayTrajectories(videoFilename, objects, homography, firstFrameNum) |