其中的1、2、3表示通道数,比如:RGB是3通道,所以就用CV_8UC3 8U表示无符号8位
CV_8UC(n):占8位的unsigned char CV_8UC1:占8位的unsigned char 一通道 CV_8UC2:占8位的unsigned char 二通道 CV_8UC3:占8位的unsigned char 三通道 CV_8UC4:占8位的unsigned char 四通道 CV_8S:占8位的signed CV_8SC(n):占8位的signed char CV_8SC1:占8位的signed char 一通道 CV_8SC2:...
Mat image = Mat::zeros( window_height, window_width, CV_8UC3 ); /// 把它绘制到一个窗口中 imshow( window_name, image ); 1. 2. 3. 4. 5. int Drawing_Random_Lines( Mat image, char* window_name, RNG rng ) { int lineType = 8; Point pt1, pt2; for( int i = 0; i < N...
cv : :imencode( ".jpg", img_object, buf); returnbb; } 以及 System : :Drawing : :Bitmap ^ MatToBitmap(constcv : :Mat & img) { if(img.type() != CV_8UC3) { throwgcnew NotSupportedException( "Only images of type CV_8UC3 are supported for conversion to Bitmap"); } //crea...
Export_API void _stdcall Blend(unsigned char * src, int width, int height, int stride, int bitcount, unsigned char *dst, int alpha){double beta,alpha1 = alpha / 255.0 ;Mat src1(width, height, CV_8UC3, src, stride);Mat src2(width, height, CV_8UC3, dst, stride);Mat dst1(...
#include<stdio.h>#include<opencv2/opencv.hpp>intmain(){cv::Matimage(256,256,CV_8UC3);for(inti=0;i<image.rows;i++){for(intj=0;j<image.cols;j++){image.ptr(i,j)[0]=i;image.ptr(i,j)[1]=j;image.ptr(i,j)[2]=(i+j)%256;}}return0;} ...
markers = cv.watershed(gray, markers) 错误名称: cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\segmentation.cpp:161: error: (-215:Assertion failed) src.type() == CV_8UC3 && dst.type() == CV_32SC1 in function 'cv::watershed' ...
Mat类 2017年3月24日 16:31 1.opencv提供的Mat类 专门用来表示图片的矩阵类 #includeopencv2/opencv.hpp using namespace std; using namespace cv; int main() { Mat M(640, 480, CV_8UC3, Scalar(0, 0, 255)); //cout M = endl M endl; //system(pause); imshow(red, M); waitKey; }...
importorg.opencv.core.Core;importorg.opencv.core.Mat;importorg.opencv.core.CvType;importorg.opencv.core.Scalar;importorg.opencv.core.Size;importorg.opencv.core.Point;importorg.opencv.imgproc.Imgproc;importorg.opencv.imgcodecs.Imgcodecs;importorg.opencv.freetype.Freetype;importorg.opencv.freetype....
#include <opencv2/opencv.hpp> using namespace cv; int main() { //创建一个800x600大小的空白图像 Mat image(600, 800, CV_8UC3, Scalar(0, 0, 0)); //定义起点和终点坐标 Point pt1(100, 100); Point pt2(700, 500); //绘制红色直线,线宽为3 line(image, pt1, pt2, Scalar(0, 0,...