Mercurial > hg > nsaunier > traffic-intelligence

comparison scripts/display-trajectories.py @ 614:5e09583275a4

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Merged Nicolas/trafficintelligence into default
author Mohamed Gomaa <eng.m.gom3a@gmail.com>
date Fri, 05 Dec 2014 12:13:53 -0500
parents ff4f0ce46ca6
children 3058e00887bc
comparison
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598:11f96bd08552 614:5e09583275a4
1 #! /usr/bin/env python
2
3 import sys, argparse
4
5 import storage, cvutils, utils
6
7 from numpy.linalg.linalg import inv
8 from numpy import loadtxt
9
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.')
11 parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the configuration file')
12 parser.add_argument('-d', dest = 'databaseFilename', help = 'name of the Sqlite database file')
13 parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file')
14 parser.add_argument('-t', dest = 'trajectoryType', help = 'type of trajectories to display', choices = ['feature', 'object'], default = 'feature')
15 parser.add_argument('-o', dest = 'homographyFilename', help = 'name of the image to world homography file')
16 parser.add_argument('--intrinsic', dest = 'intrinsicCameraMatrixFilename', help = 'name of the intrinsic camera file')
17 parser.add_argument('--distortion-coefficients', dest = 'distortionCoefficients', help = 'distortion coefficients', nargs = '*', type = float)
18 parser.add_argument('--undistorted-multiplication', dest = 'undistortedImageMultiplication', help = 'undistorted image multiplication', type = float)
19 parser.add_argument('-u', dest = 'undistort', help = 'undistort the video (because features have been extracted that way)', action = 'store_true')
20 parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', type = int)
21 parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float)
22 parser.add_argument('-s', dest = 'nFramesStep', help = 'number of frames between each display', default = 1, type = int)
23 parser.add_argument('--save-images', dest = 'saveAllImages', help = 'save all images', action = 'store_true')
24 parser.add_argument('--last-frame', dest = 'lastFrameNum', help = 'number of last frame number to save (for image saving, no display is made)', type = int)
25
26 args = parser.parse_args()
27
28 if args.configFilename: # consider there is a configuration file
29 params = storage.ProcessParameters(args.configFilename)
30 videoFilename = params.videoFilename
31 databaseFilename = params.databaseFilename
32 if params.homography != None:
33 homography = inv(params.homography)
34 else:
35 homography = None
36 intrinsicCameraMatrix = params.intrinsicCameraMatrix
37 distortionCoefficients = params.distortionCoefficients
38 undistortedImageMultiplication = params.undistortedImageMultiplication
39 undistort = params.undistort
40 firstFrameNum = params.firstFrameNum
41 else:
42 homography = None
43 undistort = False
44 intrinsicCameraMatrix = None
45 distortionCoefficients = []
46 undistortedImageMultiplication = None
47 firstFrameNum = 0
48
49 if not args.configFilename and args.videoFilename != None:
50 videoFilename = args.videoFilename
51 if not args.configFilename and args.databaseFilename != None:
52 databaseFilename = args.databaseFilename
53 if not args.configFilename and args.homographyFilename != None:
54 homography = inv(loadtxt(args.homographyFilename))
55 if not args.configFilename and args.intrinsicCameraMatrixFilename != None:
56 intrinsicCameraMatrix = loadtxt(args.intrinsicCameraMatrixFilename)
57 if not args.configFilename and args.distortionCoefficients != None:
58 distortionCoefficients = args.distortionCoefficients
59 if not args.configFilename and args.undistortedImageMultiplication != None:
60 undistortedImageMultiplication = args.undistortedImageMultiplication
61 if args.firstFrameNum != None:
62 firstFrameNum = args.firstFrameNum
63
64
65 objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType)
66 boundingBoxes = storage.loadBoundingBoxTableForDisplay(databaseFilename)
67 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)