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源码编译opencv可参考教程：在ubuntu下安装opencv4.1.0详细步骤https://blog.youkuaiyun.com/weixin_44003563/article/details/90404745 在操作make -j8的时候报错如下： [ 25%] Linking CXX executable ../../bin/opencv_annotation /usr/bin/ld: ../../lib/libopencv_imgcodecs.so.4.5.0: undefined referenc

旋转一定角度的方法有两种 方法一： M = cv2.getRotationMatrix2D((cx, cy), angle, 1) (im_h, im_w) = image.shape[:2] (cX, cY) = (im_w // 2, im_h // 2) # img = np.array(img) cos_ = np.abs(M[0, 0]) sin_ = np.abs(M[0, 1]) nW = int((im_h * sin_) + (im_w * cos_)) nH = int((im_

转自:opencv+python3.6图像旋转、并保持图像像素大小不变、不被裁剪（旋转90/180/270度） import cv2 import numpy as np import os, shutil def rotate_bound(image, angle): # grab the dimensions of the image and then determine th...

#opencv批量泊松融合 import cv2 import numpy as np import os src_path = "cut_1/" save_path = "mixup_1/" dst = cv2.imread("beijing1.jpg") a = dst.shape H=a[0] W=a[1] print("H",H) print("W",W) imagelist = os...