Posted in Python onJanuary 19, 2020
python对图像提取mask部分:
代码:
#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)
效果图:
mask:
image:
result:
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python给图像加上mask,并提取mask区域实例
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