OpenCV 2.4.0 C ++ goodFeaturesToTrack会破坏堆?

时间:2012-11-09 04:22:09

标签: c++ opencv heap corruption

我刚刚开始学习如何使用openCV库。我已经下载并安装了openCV 2.4.0,并运行了一些示例项目。在这段代码中,我试图从goodFeaturesToTrack获取输出并绘制图像上的点。代码编译,但每次运行它都会崩溃,我得到以下错误:


Windows已在Corner.exe中触发了断点。

这可能是由于堆损坏,这表示Corner.exe或其加载的任何DLL中存在错误。

这也可能是由于用户在Corner.exe有焦点时按下F12。

输出窗口可能包含更多诊断信息。


输出窗口没有更多诊断信息。我已将错误跟踪到goodFeaturesToTrack函数。这是违规代码:

// Corner.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <opencv.hpp>
#include <opencv_modules.hpp>
#include <opencv2\core\core.hpp>
#include <opencv2\highgui\highgui.hpp>

#include <iostream>
#include <string>
#include <iomanip>
#include <sstream>

using namespace cv; //If you don't have this, you won't be able to create a mat...
using namespace std;


#include <stdio.h>
#include <cv.h>
#include <highgui.h>
#include <math.h>

//Whole bunch of #defines to make editing the code a lot easier

#define MAX_FEATURES 5
#define FILENAME "C:/Users/Mitchell/Desktop/lol.jpg"

int main(void)
{
    namedWindow("Out", CV_WINDOW_AUTOSIZE);
    namedWindow("In", CV_WINDOW_AUTOSIZE);  
    Mat Img;
    Img = cvLoadImage(FILENAME, CV_LOAD_IMAGE_GRAYSCALE);

    if(!Img.data)
    {
        fprintf(stderr, "ERROR: Couldn't open picture.");
        waitKey();
        return -1;
    }

    else
    {
        imshow("In", Img);
        waitKey();
    }

    std::vector<cv::Point2f> Img_features;
    int number_of_features = MAX_FEATURES;

    Mat Out = Mat::zeros(Img.cols, Img.rows, CV_32F);

    goodFeaturesToTrack(Img, Img_features, MAX_FEATURES, .01, .1, noArray(), 3, false);

    fprintf(stdout, "Got here...");

    /*for (int i = 0; i < MAX_FEATURES; i++)
    {
        Point2f p = Img_features[i];
        ellipse(Img, p, Size(1,1), 0, 0, 360, Scalar(255,0,0));
    }*/

    imshow("Out", Out);

    waitKey(0);
    return 0;


}

这是库中的错误,还是我做了一些愚蠢的事情?

1 个答案:

答案 0 :(得分:0)

在调用goodFeatures之前,Img_features向量可能有MAX_FEATURES项吗?即在调用goodFeatures之前尝试Img_features.resize(MAX_FEATURES)