Mercurial Hosting > traffic-intelligence
view scripts/display-trajectories.py @ 738:2472b4d59aea dev
small function
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Fri, 14 Aug 2015 17:45:45 -0400 |
parents | 3058e00887bc |
children | 95e7622b11be |
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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('--intrinsic', dest = 'intrinsicCameraMatrixFilename', help = 'name of the intrinsic camera file') parser.add_argument('--distortion-coefficients', dest = 'distortionCoefficients', help = 'distortion coefficients', nargs = '*', type = float) parser.add_argument('--undistorted-multiplication', dest = 'undistortedImageMultiplication', help = 'undistorted image multiplication', type = float) parser.add_argument('-u', dest = 'undistort', help = 'undistort the video (because features have been extracted that way)', action = 'store_true') parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', 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)', type = int) args = parser.parse_args() if args.configFilename: # consider there is a configuration file params = storage.ProcessParameters(args.configFilename) videoFilename = params.videoFilename databaseFilename = params.databaseFilename if params.homography is not None: homography = inv(params.homography) else: homography = None intrinsicCameraMatrix = params.intrinsicCameraMatrix distortionCoefficients = params.distortionCoefficients undistortedImageMultiplication = params.undistortedImageMultiplication undistort = params.undistort firstFrameNum = params.firstFrameNum else: homography = None undistort = False intrinsicCameraMatrix = None distortionCoefficients = [] undistortedImageMultiplication = None firstFrameNum = 0 if not args.configFilename and args.videoFilename is not None: videoFilename = args.videoFilename if not args.configFilename and args.databaseFilename is not None: databaseFilename = args.databaseFilename if not args.configFilename and args.homographyFilename is not None: homography = inv(loadtxt(args.homographyFilename)) if not args.configFilename and args.intrinsicCameraMatrixFilename is not None: intrinsicCameraMatrix = loadtxt(args.intrinsicCameraMatrixFilename) if not args.configFilename and args.distortionCoefficients is not None: distortionCoefficients = args.distortionCoefficients if not args.configFilename and args.undistortedImageMultiplication is not None: undistortedImageMultiplication = args.undistortedImageMultiplication if args.firstFrameNum is not None: firstFrameNum = args.firstFrameNum objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType) boundingBoxes = storage.loadBoundingBoxTableForDisplay(databaseFilename) cvutils.displayTrajectories(videoFilename, objects, boundingBoxes, homography, firstFrameNum, args.lastFrameNum, rescale = args.rescale, nFramesStep = args.nFramesStep, saveAllImages = args.saveAllImages, undistort = (undistort or args.undistort), intrinsicCameraMatrix = intrinsicCameraMatrix, distortionCoefficients = distortionCoefficients, undistortedImageMultiplication = undistortedImageMultiplication)