01_hand_track.py

import cv2
import mediapipe as mp
import time
cap =cv2.VideoCapture(0,cv2.CAP_DSHOW)

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 ==0:
                    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("Image",img)
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break