从图像裁剪椭圆形式,而不是在OpenCV中绘制它 [英]Crop an ellipse form from an image instead of drawing it inside in OpenCV
如何在OpenCv中使用HSV阈值和轮廓从图像中提取皮肤? [英]How to extract skin from an image using HSV thresholding and contouring in OpenCv?
从blob SQLite读取二进制图像并使用OpenCV imdecode对其进行解码的最佳方法是什么? [英]What is the best way to read binary image from blob SQLite and decode it using OpenCV imdecode?
使用OpenCV C ++从黑白图像中提取四角形的角(极端角点) [英]Extract corner (extreme corner points) of quadrangle from black/white image using OpenCV C++