diff scripts/manual-video-analysis.py @ 886:d2eb8c93f7de

rename
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Tue, 21 Mar 2017 17:51:38 -0400
parents scripts/manual_video_analysis.py@7f61854fcc6d
children 4ea296ee1ae2
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/manual-video-analysis.py	Tue Mar 21 17:51:38 2017 -0400
@@ -0,0 +1,98 @@
+#! /usr/bin/env python
+
+import sys, argparse, cv2
+
+parser = argparse.ArgumentParser(description=''''The program replays the video and allows to manually id vehicles and mark instants, eg when they cross given areas in the scene. Use this program in combination with a screen marker program (For example, Presentation Assistant) to draw multiple lines on the screen.''',
+                                 epilog = '''The output should give you a .csv file with the same name as your video file with columns in this format:
+vehicle number, frame number
+You can easily spot mistakes in the csv file for a line with number, SKIP. If this happens, just delete the previous vehicle observation.''',
+                                 formatter_class=argparse.RawDescriptionHelpFormatter)
+parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file', required = True)
+parser.add_argument('-o', dest = 'outputFilename', help = 'name of the output file (csv file)')
+parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int)
+
+args = parser.parse_args()
+
+print('''Commands:
+u: New vehicle crossing the first line
+i: Vehicle crossing subsequent lines
+o: Press o when you make a mistake in input
+p: Press p for a new pedestrian event (eg crossing)
+d: Skip 100 frames
+s: Skip 10 frames
+c: Go back 100 frames
+x: Go back 10 frames
+Spacebar: Go forward one frame
+l: Skip to frame number
+q: Quit and end program''')
+
+cap = cv2.VideoCapture(args.videoFilename)
+cap.set(cv2.cv.CV_CAP_PROP_POS_FRAMES, args.firstFrameNum)
+cv2.namedWindow('Video', cv2.WINDOW_NORMAL)
+
+# output filename
+if args.outputFilename is None:
+    i = args.videoFilename.rfind('.')
+    if i>0:
+        outputFilename = args.videoFilename[:i]+'.csv'
+    else:
+        outputFilename = args.videoFilename+'.csv'
+else:
+    outputFilename = args.outputFilename
+vehNumber = 0
+lineNum = -1
+out = open(outputFilename, 'a')
+
+while(cap.isOpened()):
+    ret, frame = cap.read()
+    frameNum = int(cap.get(cv2.cv.CV_CAP_PROP_POS_FRAMES))
+    cv2.putText(frame, str(frameNum), (1,20), cv2.FONT_HERSHEY_PLAIN, 1, (255, 0,0))
+    cv2.imshow('Video',frame)
+
+    key= cv2.waitKey(0)
+#Change the keys to record the vehicle in this section
+    if key == ord('q'):
+        break
+    elif key == ord('u') or key == ord('i'):
+        if key == ord('u'):
+            vehNumber += 1
+            lineNum = 0
+            print('New Vehicle')
+        out.write('{},{}\n'.format(vehNumber,frameNum))        
+        if vehNumber >= 1 and key == ord('i'):
+            lineNum = lineNum+1
+            print('Line number {}'.format(lineNum))
+    elif key == ord('o'):
+        out.write('{},SKIP\n'.format(vehNumber))
+        print('SKIPPED')
+    elif key == ord('p'):
+        print("New Pedestrian")
+        out.write('Pedestrian,{}\n'.format(frameNum))
+#Change the number of frames skipped or the keys in this section
+    elif key == ord('d'):
+        cap.set(1,frameNum+100)
+    elif key == ord('s'):
+        cap.set(1,frameNum+10)
+    elif key == ord('a'):
+        cap.set(1,frameNum+1)
+    elif key == ord('x'):
+        cap.set(1,frameNum-10)
+    elif key == ord('c'):
+        cap.set(1,frameNum-100)
+    elif key == ord('l'):
+        frameNum = int(raw_input("Please enter the frame number you would like to skip to\n"))
+        cap.set(cv2.cv.CV_CAP_PROP_POS_FRAMES,frameNum-5)
+    
+
+cap.release()
+cv2.destroyAllWindows()
+
+#97a
+#115s
+#100d
+#102f
+#103g
+#104h
+#106j
+#107k
+#108l