人脸在线试妆新购优惠

import cv2
import dlib

# 加载人脸检测器和妆容素材
detector = dlib.get_frontal_face_detector()
lipstick_img = cv2.imread('lipstick.png', -1)

def apply_lipstick(frame, face_rect):
    x, y, w, h = face_rect.left(), face_rect.top(), face_rect.width(), face_rect.height()
    lipstick_resized = cv2.resize(lipstick_img, (w, h))
    for c in range(0, 3):
        frame[y:y+h, x:x+w, c] = lipstick_resized[:, :, c] * (lipstick_resized[:, :, 3] / 255.0) + frame[y:y+h, x:x+w, c] * (1.0 - lipstick_resized[:, :, 3] / 255.0)
    return frame

cap = cv2.VideoCapture(0)
while True:
    ret, frame = cap.read()
    if not ret:
        break
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
    faces = detector(gray)
    for face in faces:
        frame = apply_lipstick(frame, face)
    cv2.imshow('Online Makeup Try-On', frame)
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break
cap.release()
cv2.destroyAllWindows()