https://www.cnblogs.com/xypbk/p/9116215.html 参考这位博主
https://blog.csdn.net/xnholiday/article/details/98886062?biz_id=102&utm_term=mask%E5%9B%BE&utm_medium=distribute.pc_search_result.none-task-blog-2allsobaiduweb~default-1-98886062&spm=1018.2118.3001.4187 参考这位博主，利用彩色的mask图实现抠图（将彩色的mask图以二值图形式提取）
#coding:utf-8 import os import cv2 import numpy as np def add_mask2image_binary(images_path, masks_path, masked_path): # Add binary masks to images for img_item in os.listdir(images_path): print(img_item) img_path = os.path.join(images_path, img_item) img = cv2.imread(img_path) mask_path = os.path.join(masks_path, img_item[:-4]+'.png') # mask是.png格式的，image是.jpg格式的 mask = cv2.imread(mask_path, cv2.IMREAD_GRAYSCALE) # 将彩色mask以二值图像形式读取 masked = cv2.add(img, np.zeros(np.shape(img), dtype=np.uint8), mask=mask) #将image的相素值和mask像素值相加得到结果 cv2.imwrite(os.path.join(masked_path, img_item), masked) images_path = '/home/xinan/cat_test/image/' masks_path = '/home/xinan/cat_test/catmask/' masked_path = '/home/xinan/cat_test/masked/' add_mask2image_binary(images_path, masks_path, masked_path)