MediaPipe Hands 代码搬运_mediapipe handslandmark web

地址：https://google.github.io/mediapipe/solutions/hands.html

代码：

import cv2
import mediapipe as mp
mp_drawing = mp.solutions.drawing_utils
mp_hands = mp.solutions.hands
drawing_styles = mp.solutions.drawing_styles
 
 
# For webcam input:
cap = cv2.VideoCapture(0)
with mp_hands.Hands(
    min_detection_confidence=0.5,
    min_tracking_confidence=0.5) as hands:
  while cap.isOpened():
    success, image = cap.read()
    if not success:
      print("Ignoring empty camera frame.")
      # If loading a video, use 'break' instead of 'continue'.
      continue
 
    # Flip the image horizontally for a later selfie-view display, and convert
    # the BGR image to RGB.
    image = cv2.cvtColor(cv2.flip(image, 1), cv2.COLOR_BGR2RGB)
    # To improve performance, optionally mark the image as not writeable to
    # pass by reference.
    image.flags.writeable = False
    results = hands.process(image)
 
    # Draw the hand annotations on the image.
    image.flags.writeable = True
    image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
    if results.multi_hand_landmarks:
      for hand_landmarks in results.multi_hand_landmarks:
        mp_drawing.draw_landmarks(
            image, hand_landmarks, mp_hands.HAND_CONNECTIONS,
            drawing_styles.get_default_hand_landmark_style(),
            drawing_styles.get_default_hand_connection_style())
    cv2.imshow('MediaPipe Hands', image)
    if cv2.waitKey(1) & 0xFF == 27:
      cv2.destroyAllWindows()
      cap.release()
      break

代码测试结果：