added python code for tracking hand on webcamera videofeed

handtracker_webcam.py

@@ -0,0 +1,41 @@
+import cv2
+from hand_tracker import HandTracker
+import matplotlib.pyplot as plt
+from matplotlib.patches import Polygon
+import numpy as np
+
+palm_model_path = "./models/palm_detection.tflite"
+landmark_model_path = "./models/hand_landmark.tflite"
+anchors_path = "./data/anchors.csv"
+
+cap = cv2.VideoCapture(0)
+
+detector = HandTracker(palm_model_path, landmark_model_path, anchors_path,
+                       box_shift=0.2, box_enlarge=1.3)
+
+while True:
+    ret,frame = cap.read()
+    image = frame[:,:,::-1]
+    kp, box = detector(image)
+
+    clearpoints = [4,8,12,16,20]
+    lk = None
+    p = 0
+
+    # Draw the hand
+    for keypoint in kp:
+        if lk is not None:
+            cv2.line(frame, (int(keypoint[0]),int(keypoint[1])),(int(lk[0]),int(lk[1])), (255,0,255), 2)
+        lk = keypoint
+        cv2.circle(frame, (int(keypoint[0]), int(keypoint[1])), 3, (0,255,255), -1)
+        if p in clearpoints:
+            lk = kp[0]
+        p = p + 1
+
+    # draw the box
+    for i in range(0,4):
+        cv2.line(frame, (int(box[i][0]),int(box[i][1])),(int(box[(i+1)&3][0]),int(box[(i+1)&3][1])), (255,255,255), 2)
+
+    cv2.imshow('frame',frame)
+    if cv2.waitKey(1) & 0xFF == ord('q'):
+        break