--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/manual_video_analysis.py	Fri Mar 17 17:52:19 2017 -0400
@@ -0,0 +1,82 @@
+#! /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.')
+parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file', required = True)
+parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int)
+
+#Place this program in the same folder as the video you want to analyze
+#Use this program in combination with a screen marker program (For example, Presentation Assistant) to draw multiple lines on the screen
+#Press the "New vehicle" key (u) when a vehicle touches the first line. This will start a new line in the csv file and record the first frame number.
+#Press the "Next line" key (i) when the same vehicle touches every line except the first one, in order. This will record the subsequent frame numbers.
+#Press the SKIP key (o) when you make a mistake in the input. This will write SKIP in the csv file so that you can easily identify where you should remove the line
+#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 at first line, frame number at second line, frame number at third line, etc...
+#You can easily spot mistakes in the csv file if the number of columns is wrong for a specific line, or you see a SKIP in a line. If this happens, just delete the row.
+
+#You can change the .mp4 to something else if your video files are in a different format
+#videoFilename = raw_input("Please Type in the video filename\n")
+
+args = parser.parse_args()
+cap = cv2.VideoCapture(args.videoFilename)
+i = args.videoFilename.rfind('.')
+if i>0:
+    outputFilename = args.videoFilename[:i]+'.csv'
+else:
+    outputFilename = args.videoFilename+'.csv'
+vehNumber = 0
+out = open(outputFilename, 'a')
+
+print ("Commands:\nu: New Vehicle crossing the first line\ni: Vehicle crossing subsequent lines\no: Press o when you make a mistake in input\nd: Skip 100 frames\ns: Skip 10 frames\nc: Go back 100 frames\nx: Go back 10 frames\nSpacebar: Go forward one frame\nl: Skip to frame number\nq: Quit and end program")       
+while(cap.isOpened()):
+    ret, frame = cap.read()
+    frame_no = int(cap.get(cv2.cv.CV_CAP_PROP_POS_FRAMES))
+    #gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+    
+    cv2.imshow('frame',frame)
+
+    key= cv2.waitKey(0)
+#Change the keys to record the vehicle in this section
+    if key == ord('q'):
+        break
+    if key == ord('u'):
+        out.write('\n'+str(vehNumber)+','+str(frame_no)+',')
+        vehNumber+=1
+        print('New Vehicle')
+        line_number = 0
+    if key == ord('i'):
+        out.write(str(frame_no)+',')
+        line_number = line_number+1
+        print('Line number '+str(line_number))
+    if key == ord('o'):
+        out.write('SKIP')
+        print('SKIPPED')
+#Change the number of frames skipped or the keys in this section
+    elif key == ord('d'):
+        cap.set(1,frame_no+100)
+    elif key == ord('s'):
+        cap.set(1,frame_no+10)
+    elif key == ord('a'):
+        cap.set(1,frame_no+1)
+    elif key == ord('x'):
+        cap.set(1,frame_no-10)
+    elif key == ord('c'):
+        cap.set(1,frame_no-100)
+    elif key == ord('l'):
+        frame_no = int(input("Please enter the frame number you would like to skip to\n"))
+        cap.set(1,frame_no-5)
+    
+
+cap.release()
+cv2.destroyAllWindows()
+
+#97a
+#115s
+#100d
+#102f
+#103g
+#104h
+#106j
+#107k
+#108l