利用python和opencv批量去掉图片黑边
2021-07-11 12:04
标签：nal origin nump from you box os.path around rom 利用python和opencv批量去掉图片黑边 标签：nal origin nump from you box os.path around rom 原文地址：https://www.cnblogs.com/laresh/p/9551518.htmlimport os
import cv2
import numpy as np
from scipy.stats import mode
import time
import concurrent.futures
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multi-process to crop pictures.
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def crop(file_path_list):
origin_path, save_path = file_path_list
img = cv2.imread(origin_path)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
closed_1 = cv2.erode(gray, None, iterations=4)
closed_1 = cv2.dilate(closed_1, None, iterations=4)
blurred = cv2.blur(closed_1, (9, 9))
# get the most frequent pixel
num = mode(blurred.flat)[0][0] + 1
# the threshold depends on the mode of your images‘ pixels
num = num if num
文章标题：利用python和opencv批量去掉图片黑边
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