highoooo的博客

图像开运算是图像依次经过腐蚀、膨胀处理后的过程。图像被腐蚀后，去除了噪声，但是也压缩了图像；接着对腐蚀过的图像进行膨胀处理，可以去除噪声，并保留原有图像。开运算实际是先腐蚀运算，再膨胀运算，把看上去把细微连在一起的两块目标分开了。一般来说，开运算可以使图像的轮廓变得光滑，还能使狭窄的连接断开和消除细毛刺。开运算在过滤噪声的同时并没有对物体的形状、轮廓造成明显的影响，这是一大优势。当只关心物体的位置或者个数时，物体形状的改变不会给任务带来困扰，此时用开运算处理具有处理速度上的优势。闭运算是开运算的相反操作，先

#ifndef __CONCURRENCEQUEUE_H__#define __CONCURRENCEQUEUE_H__#include <mutex>#include <condition_variable>#include <deque>#include <queue>#include <memory>template<typename DATATYPE, typename SEQUENCE = std::deque&lt

// TODO 1 merge frame(background)/face(tmp_ptr->frame) into one image cv::Mat background; cap.read(background); cv::Mat dst(720,1280,CV_8UC3); cv::Rect rect_face(0,0,640,720); cv::resize(tmp_pt

#include <iostream>#include <opencv2/opencv.hpp>#include <stdio.h>#include "cuda_utils.h"#include "logging.h"#include "common.hpp"#include "utils.h"#include "calibrator.h"#include <unistd.h>#include <thread>#include

#include <opencv2/opencv.hpp>#include<iostream>#include <typeinfo>#include <numeric>#define PI 3.14159265358979using namespace std;using namespace cv;vector<Mat> read_images_in_folder(cv::String path);cv::Mat draw_i

cv::Mat rect_crop(cv::Mat& img){ float rate = 0.25; float x, y, w, h; cv::Mat mask = cv::Mat::zeros(img.size().height,img.size().width, CV_8UC3); x = img.size().width*rate; y = img.size().height*rate; w = img.size().width*(

HoughLines(imgCan, lines, 1, CV_PI / 180, 200, 0, 0); Point pt1, pt2; for (size_t i = 0; i < lines.size(); i++) { float rho = lines[i][0]; float theta = lines[i][1]; double a = cos(theta), b = sin(theta); double x0 = a * rho, y0 = b * rho;.

cv::Mat rect_crop(cv::Mat& img){ float rate = 0.25; float x, y, w, h; cv::Mat mask = cv::Mat::zeros(img.size().height,img.size().width, CV_8UC3); x = img.size().width*rate; y = img.size().height*rate; w = img.size().width*(1-rat

if ((int)res[j].class_id == 0) { cv:Mat imgThresholded; sum, blacksum = 0; head_num++; cv::Mat dst = ori_img(helmet_r);

https://blog.youkuaiyun.com/qq_32095699/article/details/81007162深拷贝：操作系统为B开辟了新的内存空间，所以A改变不会导致B改变Mat A,B;A = imread("1.jpg");B = A.clone();浅拷贝：B只拷贝了A的地址，所以A改变的话会导致B改变。Mat A,B;A = imread("1.jpg");B = A;...