OpenCV截取多边形区域图像

easyboot

已于 2024-01-31 14:12:48 修改

阅读量646

点赞数 8

分类专栏：机器视觉 # OpenCV 文章标签： opencv 计算机视觉 python

于 2024-01-31 14:12:28 首次发布

本文链接：https://blog.csdn.net/easyboot/article/details/135952296

版权

        public async Task<Mat> GetMatArea(Mat TargetMat, OpenCvSharp.Point[][] points)
        { 
            int StepVision = 0;
            Mat matResult = new Mat(); 
            Mat mask = new Mat(TargetMat.Height, TargetMat.Width, MatType.CV_8UC3, Scalar.Black);  

            Cv2.FillPoly(mask, points, Scalar.White); 
            Cv2.BitwiseAnd(TargetMat, mask, matResult);   
            return matResult; 
        }

        private OpenCvSharp.Point[][] GetMatAreaPoints()
        {
            OpenCvSharp.Point ptA = new OpenCvSharp.Point(visionModel.PointAX, visionModel.PointAY);
            OpenCvSharp.Point ptB = new OpenCvSharp.Point(visionModel.PointBX, visionModel.PointBY);
            OpenCvSharp.Point ptC = new OpenCvSharp.Point(visionModel.PointCX, visionModel.PointCY);
            OpenCvSharp.Point ptD = new OpenCvSharp.Point(visionModel.PointDX, visionModel.PointDY);
            OpenCvSharp.Point ptE