dobot_python/hand_tracking_minimum.py at main · RockRock2/dobot_python · GitHub

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import cv2
import mediapipe as mp
import time

cap = cv2.VideoCapture('/dev/video2')

mpHands = mp.solutions.hands
hands = mpHands.Hands()
mpDraw = mp.solutions.drawing_utils

pTime = 0
cTime = 0

while True:
  success, img = cap.read()
  imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
  results = hands.process(imgRGB)
  # print(results.multi_hand_landmarks)

  if results.multi_hand_landmarks:
    for handLms in results.multi_hand_landmarks:
      for id, lm in enumerate(handLms.landmark):
        print(id,lm)
        h, w, c = img.shape
        cx, cy = int(lm.x*w), int(lm.y*h)
        print(id, cx, cy)
        if id == 4:
          cv2.circle(img, (cx,cy), 15, (255,0,255), cv2.FILLED)
      mpDraw.draw_landmarks(img, handLms, mpHands.HAND_CONNECTIONS)

  cTime = time.time()
  fps = 1/(cTime-pTime)
  pTime = cTime

  cv2.putText(img, str(int(fps)), (10,70), cv2.FONT_HERSHEY_PLAIN,3, (255,0,255), 3)

  cv2.imshow("Video", img)
  if cv2.waitKey(20) & 0xFF==ord('d'):
    break


cap.release()
cv2.destroyAllWindows()