人脸在线试妆免费体验

import cv2
import dlib
import numpy as np

# 加载人脸检测器和特征点预测器
detector = dlib.get_frontal_face_detector()
predictor = dlib.shape_predictor("shape_predictor_68_face_landmarks.dat")

# 加载虚拟妆容图像
lipstick = cv2.imread("lipstick.png", -1)

def apply_lipstick(frame, landmarks):
    # 获取嘴唇区域
    lips = landmarks[48:68]
    top_left = (int(lips[0].x), int(lips[0].y))
    bottom_right = (int(lips[-1].x), int(lips[-1].y))
    
    # 调整妆容大小
    lipstick_resized = cv2.resize(lipstick, (bottom_right[0] - top_left[0], bottom_right[1] - top_left[1]))
    
    # 应用妆容
    for c in range(0, 3):
        frame[top_left[1]:bottom_right[1], top_left[0]:bottom_right[0], c] = lipstick_resized[:, :, c] * (lipstick_resized[:, :, 3] / 255.0) + frame[top_left[1]:bottom_right[1], top_left[0]:bottom_right[0], c] * (1.0 - lipstick_resized[:, :, 3] / 255.0)
    
    return frame

# 读取用户上传的照片
frame = cv2.imread("user_photo.jpg")

# 检测人脸并应用妆容
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
faces = detector(gray)
for face in faces:
    landmarks = predictor(gray, face)
    frame = apply_lipstick(frame, landmarks)

# 显示结果
cv2.imshow("Virtual Makeup", frame)
cv2.waitKey(0)
cv2.destroyAllWindows()