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comparison trafficintelligence/cvutils.py @ 1245:371c718e57d7

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interface updates
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 08 Feb 2024 16:10:54 -0500
parents 4cd8ace3552f
children ef68d4ba7dae
comparison
equal deleted inserted replaced
1244:00b71da2baac 1245:371c718e57d7
2 '''Image/Video utilities''' 2 '''Image/Video utilities'''
3 3
4 from sys import stdout 4 from sys import stdout
5 from os import listdir 5 from os import listdir
6 from subprocess import run 6 from subprocess import run
7 from math import floor, log10, ceil 7 from math import floor, log10, ceil, inf
8 from time import time 8 from time import time
9 9
10 from numpy import dot, array, append, float32, loadtxt, savetxt, append, zeros, ones, identity, abs as npabs, logical_and, unravel_index, sum as npsum, isnan, mgrid, median, floor as npfloor, ceil as npceil, nonzero, dtype 10 from numpy import dot, array, append, float32, loadtxt, savetxt, append, zeros, ones, identity, abs as npabs, logical_and, unravel_index, sum as npsum, isnan, mgrid, median, floor as npfloor, ceil as npceil, nonzero, dtype
11 from numpy.linalg import inv 11 from numpy.linalg import inv
12 from matplotlib.pyplot import imread, imsave, imshow, figure, subplot 12 from matplotlib.pyplot import imread, imsave, imshow, figure, subplot
310 if dryRun: 310 if dryRun:
311 print(cmd) 311 print(cmd)
312 else: 312 else:
313 run(cmd) 313 run(cmd)
314 314
315 def displayTrajectories(videoFilename, objects, boundingBoxes = {}, homography = None, firstFrameNum = 0, lastFrameNumArg = None, printFrames = True, rescale = 1., nFramesStep = 1, saveAllImages = False, nZerosFilenameArg = None, undistort = False, intrinsicCameraMatrix = None, distortionCoefficients = None, undistortedImageMultiplication = 1., annotations = [], gtMatches = {}, toMatches = {}, colorBlind = False, **kwargs): 315 def displayTrajectories(videoFilename, objects, boundingBoxes = {}, homography = None, firstFrameNum = 0, lastFrameNum = None, printFrames = True, rescale = 1., nFramesStep = 1, saveAllImages = False, nZerosFilenameArg = None, undistort = False, intrinsicCameraMatrix = None, distortionCoefficients = None, undistortedImageMultiplication = 1., annotations = [], gtMatches = {}, toMatches = {}, colorBlind = False, **kwargs):
316 '''Displays the objects overlaid frame by frame over the video ''' 316 '''Displays the objects overlaid frame by frame over the video '''
317 if colorBlind: 317 if colorBlind:
318 colorType = 'colorblind' 318 colorType = 'colorblind'
319 else: 319 else:
320 colorType = 'default' 320 colorType = 'default'
332 if capture.isOpened(): 332 if capture.isOpened():
333 key = -1 333 key = -1
334 ret = True 334 ret = True
335 frameNum = firstFrameNum 335 frameNum = firstFrameNum
336 capture.set(cv2.CAP_PROP_POS_FRAMES, firstFrameNum) 336 capture.set(cv2.CAP_PROP_POS_FRAMES, firstFrameNum)
337 if lastFrameNumArg is None:
338 lastFrameNum = float("inf")
339 else:
340 lastFrameNum = lastFrameNumArg
341 if nZerosFilenameArg is None: 337 if nZerosFilenameArg is None:
342 if lastFrameNumArg is None: 338 if lastFrameNum is None or lastFrameNum == inf:
343 nZerosFilename = int(ceil(log10(objects[-1].getLastInstant()))) 339 nZerosFilename = int(ceil(log10(objects[-1].getLastInstant())))
344 else: 340 else:
345 nZerosFilename = int(ceil(log10(lastFrameNum))) 341 nZerosFilename = int(ceil(log10(lastFrameNum)))
346 else: 342 else:
347 nZerosFilename = nZerosFilenameArg 343 nZerosFilename = nZerosFilenameArg