1.用纯白图像-原图 Mat img = imread(path); imshow("src", img); waitKey(); Mat white = cv::Mat(250,250,CV_8UC3,Scalar(255,255,255)); imshow("white", white); waitKey(); Mat dst = white - img; imshow("dst", dst); waitKey();
#include <opencv2/opencv.hpp> #include <iostream> using namespace cv; using namespace std; int main(int argc, char** argv) { Mat src = imread("f:/temp/images/lena.jpg"); if (src.empty()) { printf("Could not find the image!\n&quo
#include <opencv2\core.hpp> #include <opencv2\highgui.hpp> #include <opencv2\imgproc.hpp> using namespace cv; const int LowTh_Max = 20; const int HighTh_Max = 100; int g_HighTh, g_LowTh; Mat srcImage; Mat dstImage; void on_Trackbar(int,
Ⅰ.概述 本文讲述关于STM32功能比较强大的ADC模块.ADC(Analog to Digital Converter)也就是模拟量转化为数字量,而STM32的ADC模块功能比较多,本文主要讲述“三条通道逐次转换(单次.单通道软件触发)”. 根据笔者的经验,STM32所有系列芯片的ADC模块功能及配置都差不多.因此,本文虽是以F1为例,其实其他系列(F0.F2.F4等)都适用. 本文提供实例代码:三条通道,配置为逐次转换(间隔模式),适用软件触发转换(每触发一次转换一条通道),一个循环也就是需
#include <opencv2/opencv.hpp> #include <iostream> using namespace cv; using namespace std; int main(int argc, char** argv) { Mat src = imread("test.jpg"); Mat logo = imread("logo.jpg"); //设定ROI区域 Mat ROI = src(Rect(, , logo