Mercurial Hosting > traffic-intelligence

comparison scripts/display-synced-trajectories.py @ 837:e01cabca4c55

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minor modifications to merge-features
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 06 Jul 2016 10:58:18 -0400
parents 7058a40a4bbc
children 2918de3d40fc
comparison
equal deleted inserted replaced
836:7058a40a4bbc 837:e01cabca4c55
1 #! /usr/bin/env python 1 #! /usr/bin/env python
2 2
3 import sys, argparse, os.path 3 import sys, argparse, os.path
4 from datetime import datetime, timedelta 4 from datetime import datetime, timedelta
5 from numpy import array 5 import numpy as np
6 import cv2 6 import cv2
7 import cvutils, utils, storage 7 import cvutils, utils, storage
8 from metadata import createDatabase, Site, VideoSequence 8 from metadata import createDatabase, Site, CameraView, VideoSequence
9 9
10 parser = argparse.ArgumentParser(description='The program displays several views of the same site synchronously.') 10 parser = argparse.ArgumentParser(description='The program displays several views of the same site synchronously.')
11 parser.add_argument('-i', dest = 'metadataFilename', help = 'name of the metadata file', required = True) 11 parser.add_argument('-i', dest = 'metadataFilename', help = 'name of the metadata file', required = True)
12 #parser.add_argument('-n', dest = 'siteId', help = 'site id or site name', required = True) 12 #parser.add_argument('-n', dest = 'siteId', help = 'site id or site name', required = True)
13 parser.add_argument('-d', dest = 'databaseFilename', help = 'name of the Sqlite database file', required = True) 13 parser.add_argument('-d', dest = 'databaseFilename', help = 'name of the Sqlite database file', required = True)
29 29
30 startTime = datetime.strptime(args.startTime, utils.datetimeFormat) 30 startTime = datetime.strptime(args.startTime, utils.datetimeFormat)
31 if startTime > mergedSequence.startTime: 31 if startTime > mergedSequence.startTime:
32 mergedFirstFrameNum = (startTime-mergedSequence.startTime).seconds*mergedSequence.cameraView.cameraType.frameRate 32 mergedFirstFrameNum = (startTime-mergedSequence.startTime).seconds*mergedSequence.cameraView.cameraType.frameRate
33 33
34 cameraViews = session.query(CameraView).filter(CameraView.site == mergedSequence.site).filter(CameraView.virtual == False) 34 cameraViews = session.query(CameraView).filter(CameraView.site == mergedSequence.cameraView.site).filter(CameraView.virtual == False).all()
35 videoSequences = session.query(VideoSequence).filter(VideoSequence.virtual == False).filter(VideoSequence.startTime <= startTime).all() 35 videoSequences = session.query(VideoSequence).filter(VideoSequence.virtual == False).filter(VideoSequence.startTime <= startTime).all()
36 #videoSequences.remove(mergedSequence) 36 #videoSequences.remove(mergedSequence)
37 videoSequences = [v for v in videoSequences if v.cameraView in cameraViews and v.containsInstant(startTime)] 37 videoSequences = [v for v in videoSequences if v.cameraView in cameraViews and v.containsInstant(startTime)]
38 filenames = [dirname+os.path.sep+v.getVideoSequenceFilename() for v in videoSequences] 38 filenames = [dirname+os.path.sep+v.getVideoSequenceFilename() for v in videoSequences]
39 firstFrameNums = [v.getFrameNum(startTime) for v in videoSequences] 39 firstFrameNums = [v.getFrameNum(startTime) for v in videoSequences]
40 windowNames = [v.cameraView.description for v in videoSequences] 40 windowNames = [v.cameraView.description for v in videoSequences]
41 homographies = [np.inv(np.loadtxt(dirname+os.path.sep+v.cameraView.getHomographyFilename())) for v in videoSequences]
41 42
42 objects = storage.loadTrajectoriesFromSqlite(dirname+os.path.sep+mergedSequence.getDatabaseFilename(), args.trajectoryType) 43 objects = storage.loadTrajectoriesFromSqlite(dirname+os.path.sep+mergedSequence.getDatabaseFilename(), args.trajectoryType)
43 44
44 #def playVideo(filenames, windowNames = None, firstFrameNums = None, frameRate = -1, interactive = False, printFrames = True, text = None, rescale = 1., step = 1): 45 #def playVideo(filenames, windowNames = None, firstFrameNums = None, frameRate = -1, interactive = False, printFrames = True, text = None, rescale = 1., step = 1):
45 if len(filenames) == 0: 46 if len(filenames) == 0:
57 #if interactive: 58 #if interactive:
58 wait = 0 59 wait = 0
59 step = 1 60 step = 1
60 rescale = 1. 61 rescale = 1.
61 captures = [cv2.VideoCapture(fn) for fn in filenames] 62 captures = [cv2.VideoCapture(fn) for fn in filenames]
62 if array([cap.isOpened() for cap in captures]).all(): 63 if np.array([cap.isOpened() for cap in captures]).all():
63 key = -1 64 key = -1
64 ret = True 65 ret = True
65 nFramesShown = 0 66 nFramesShown = 0
66 if firstFrameNums is not None: 67 if firstFrameNums is not None:
67 for i in xrange(len(captures)): 68 for i in xrange(len(captures)):
71 images = [] 72 images = []
72 for cap in captures: 73 for cap in captures:
73 ret, img = cap.read() 74 ret, img = cap.read()
74 rets.append(ret) 75 rets.append(ret)
75 images.append(img) 76 images.append(img)
76 if array(rets).all(): 77 if np.array(rets).all():
77 #if printFrames: 78 #if printFrames:
78 print('frame shown {0}'.format(nFramesShown)) 79 print('frame shown {0}'.format(nFramesShown))
79 for i in xrange(len(filenames)): 80 for i in xrange(len(filenames)):
80 for obj in objects: 81 for obj in objects:
82
81 if obj.existsAtInstant(): 83 if obj.existsAtInstant():
82 #if text is not None: 84
83 # cv2.putText(images[i], text, (10,50), cv2.FONT_HERSHEY_PLAIN, 1, cvRed) 85 #if text is not None:
86 # cv2.putText(images[i], text, (10,50), cv2.FONT_HERSHEY_PLAIN, 1, cvRed)
84 cvutils.cvImshow(windowNames[i], images[i], rescale) # cv2.imshow('frame', img) 87 cvutils.cvImshow(windowNames[i], images[i], rescale) # cv2.imshow('frame', img)
85 key = cv2.waitKey(wait) 88 key = cv2.waitKey(wait)
86 #if cvutils.saveKey(key): 89 #if cvutils.saveKey(key):
87 # cv2.imwrite('image-{}.png'.format(frameNum), img) 90 # cv2.imwrite('image-{}.png'.format(frameNum), img)
88 nFramesShown += step 91 nFramesShown += step