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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 cv2import numpy as npimport os, shutildef rotate_bound(image, angle): # grab the dimensions of the image and then determine th...

#opencv批量泊松融合import cv2import numpy as npimport ossrc_path = "cut_1/"save_path = "mixup_1/"dst = cv2.imread("beijing1.jpg")a = dst.shapeH=a[0]W=a[1]print("H",H)print("W",W)imagelist = os...