Mercurial Hosting > traffic-intelligence
view scripts/display-trajectories.py @ 492:30fb60428e09
corrected bug
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 23 Apr 2014 16:20:40 -0400 |
parents | f6415f012640 |
children | 935430b1d408 |
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#! /usr/bin/env python import sys, argparse import storage, cvutils, utils from numpy.linalg.linalg import inv from numpy import loadtxt 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.') parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the configuration file') parser.add_argument('-d', dest = 'databaseFilename', help = 'name of the Sqlite database file') parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file') parser.add_argument('-t', dest = 'trajectoryType', help = 'type of trajectories to display', choices = ['feature', 'object'], default = 'feature') parser.add_argument('-o', dest = 'homographyFilename', help = 'name of the image to world homography file') parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int) parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float) parser.add_argument('-s', dest = 'nFramesStep', help = 'number of frames between each display', default = 1, type = int) parser.add_argument('--save-images', dest = 'saveAllImages', help = 'save all images', action = 'store_true') parser.add_argument('--last-frame', dest = 'lastFrameNum', help = 'number of last frame number to save (for image saving, no display is made)', default = None, type = int) args = parser.parse_args() homography = None if args.configFilename: # consider there is a configuration file params = utils.TrackingParameters() params.loadConfigFile(args.configFilename) videoFilename = params.videoFilename databaseFilename = params.databaseFilename homography = inv(loadtxt(params.homographyFilename)) firstFrameNum = params.firstFrameNum if args.videoFilename != None: videoFilename = args.videoFilename if args.databaseFilename != None: databaseFilename = args.databaseFilename if args.homographyFilename != None: homography = inv(loadtxt(args.homographyFilename)) if args.firstFrameNum != None: firstFrameNum = args.firstFrameNum objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType) boundingBoxes = storage.loadBoundingBoxTable(databaseFilename) cvutils.displayTrajectories(videoFilename, objects, boundingBoxes, homography, firstFrameNum, args.lastFrameNum, rescale = args.rescale, nFramesStep = args.nFramesStep, saveAllImages = args.saveAllImages)