first commit

Author: ehsangazar

README.md

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+# OpenCV-Object-Tracking

index.py

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+import cv2
+import sys
+ 
+(major_ver, minor_ver, subminor_ver) = (cv2.__version__).split('.')
+
+if __name__ == '__main__' :
+ 
+    # Set up tracker.
+    # Instead of MIL, you can also use
+ 
+    tracker_types = ['BOOSTING', 'MIL','KCF', 'TLD', 'MEDIANFLOW', 'CSRT', 'MOSSE']
+    tracker_type = tracker_types[5]
+ 
+    if int(minor_ver) < 3:
+        tracker = cv2.Tracker_create(tracker_type)
+    else:
+        if tracker_type == 'BOOSTING':
+            tracker = cv2.TrackerBoosting_create()
+        if tracker_type == 'MIL':
+            tracker = cv2.TrackerMIL_create()
+        if tracker_type == 'KCF':
+            tracker = cv2.TrackerKCF_create()
+        if tracker_type == 'TLD':
+            tracker = cv2.TrackerTLD_create()
+        if tracker_type == 'MEDIANFLOW':
+            tracker = cv2.TrackerMedianFlow_create()
+        if tracker_type == 'CSRT':
+            tracker = cv2.TrackerCSRT_create()
+        if tracker_type == 'MOSSE':
+            tracker = cv2.TrackerMOSSE_create()
+ 
+    # Read video
+    video = cv2.VideoCapture("./videos/chaplin.mp4")
+ 
+    # Exit if video not opened.
+    if not video.isOpened():
+        print("Could not open video")
+        sys.exit()
+ 
+    # Read first frame.
+    ok, frame = video.read()
+    if not ok:
+        print('Cannot read video file')
+        sys.exit()
+     
+    # Define an initial bounding box
+    bbox = (287, 23, 86, 320)
+ 
+    # Uncomment the line below to select a different bounding box
+    bbox = cv2.selectROI(frame, False)
+ 
+    # Initialize tracker with first frame and bounding box
+    ok = tracker.init(frame, bbox)
+ 
+    while True:
+        # Read a new frame
+        ok, frame = video.read()
+        if not ok:
+            break
+         
+        # Start timer
+        timer = cv2.getTickCount()
+ 
+        # Update tracker
+        ok, bbox = tracker.update(frame)
+ 
+        # Calculate Frames per second (FPS)
+        fps = cv2.getTickFrequency() / (cv2.getTickCount() - timer);
+ 
+        # Draw bounding box
+        if ok:
+            # Tracking success
+            p1 = (int(bbox[0]), int(bbox[1]))
+            p2 = (int(bbox[0] + bbox[2]), int(bbox[1] + bbox[3]))
+            cv2.rectangle(frame, p1, p2, (255,0,0), 2, 1)
+        else :
+            # Tracking failure
+            cv2.putText(frame, "Tracking failure detected", (100,80), cv2.FONT_HERSHEY_SIMPLEX, 0.75,(0,0,255),2)
+ 
+        # Display tracker type on frame
+        cv2.putText(frame, tracker_type + " Tracker", (100,20), cv2.FONT_HERSHEY_SIMPLEX, 0.75, (50,170,50),2);
+     
+        # Display FPS on frame
+        cv2.putText(frame, "FPS : " + str(int(fps)), (100,50), cv2.FONT_HERSHEY_SIMPLEX, 0.75, (50,170,50), 2);
+ 
+        # Display result
+        cv2.imshow("Tracking", frame)
+ 
+        # Exit if ESC pressed
+        k = cv2.waitKey(1) & 0xff
+        if k == 27 : break