OPENCV轨迹栏出现故障。
我在opencv中使用轨迹栏时遇到问题。我希望它在SURF中更改参考图像以进行对象识别,但问题是在我的程序中只检测到一个参考图像 我知道这是非常基本的,但我是opencv新手。我希望有人能给我答案 谢谢OPENCV轨迹栏出现故障。,opencv,computer-vision,Opencv,Computer Vision,我在opencv中使用轨迹栏时遇到问题。我希望它在SURF中更改参考图像以进行对象识别,但问题是在我的程序中只检测到一个参考图像 我知道这是非常基本的,但我是opencv新手。我希望有人能给我答案 谢谢 #include <iostream> #include <opencv/cxcore.h> #include <opencv2\imgproc\imgproc_c.h> #include <stdio.h> #include <math.h
#include <iostream>
#include <opencv/cxcore.h>
#include <opencv2\imgproc\imgproc_c.h>
#include <stdio.h>
#include <math.h>
#include <opencv\highgui.h>
#include <opencv\cv.h>
#include <opencv2/features2d/features2d.hpp>
#include <opencv2/calib3d/calib3d.hpp>
#include <opencv2/core/core.hpp>
#include <opencv2/nonfree/features2d.hpp>
#include <opencv2/legacy/legacy.hpp>
#include <opencv2\nonfree\nonfree.hpp>
using namespace std;
#include "MareMatchingClass.h"
int colorInt;
int g_switch_value=0;
// Trackbar/switch callback
void switch_callback( int position ){
if( g_switch_value == 0 ){
colorInt = 0;
}else{
colorInt = 1;
}
}
int main()
{
cv::initModule_nonfree();
IplImage* PatchImg;
cvNamedWindow("mainWin",CV_WINDOW_AUTOSIZE);
cvCreateTrackbar( "Switch","mainWin", &g_switch_value, 1, switch_callback );
if( colorInt == 0)
{
PatchImg = cvLoadImage("D:/id2.jpg", CV_LOAD_IMAGE_GRAYSCALE);
}
else
{
PatchImg = cvLoadImage("D:/id.jpg", CV_LOAD_IMAGE_GRAYSCALE);
}
//Create Matching class
CMareMatchingClass MMathing;
//Input PatchImg
MMathing.ExtractPatchSurf(PatchImg);
double cornerPt[9]={
MMathing.PatchWidth/2, 0, MMathing.PatchWidth,
0, MMathing.PatchHeight, MMathing.PatchHeight,
1, 1, 1};
CvMat* McornerPt2 = cvCreateMat(3, 3, CV_64FC1);
memcpy(McornerPt2->data.db, cornerPt, sizeof(double)*9);
int c;
IplImage* img;
IplImage* BackGroundImg = NULL;
CvCapture* capture = cvCaptureFromCAM(0);
cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, 320);
cvSetCaptureProperty( capture, CV_CAP_PROP_FRAME_HEIGHT, 240 );
while(1)
{
cvGrabFrame(capture);
img = cvRetrieveFrame(capture);
if(BackGroundImg == NULL)
{
BackGroundImg = cvCreateImage(cvSize(img->width, img->height), 8, 1);
}
cvCvtColor(img, BackGroundImg, CV_RGB2GRAY);
Rect4Pt rect4pt;
if(MMathing.GetObjectRectAndBestH(BackGroundImg, &rect4pt) != 0)
{
cvLine(img, cvPoint(rect4pt.LeftTop.x, rect4pt.LeftTop.y),
cvPoint(rect4pt.RightTop.x, rect4pt.RightTop.y), cvScalar(255,0,0), 2);
cvLine(img, cvPoint(rect4pt.RightTop.x, rect4pt.RightTop.y),
cvPoint(rect4pt.RightBottom.x, rect4pt.RightBottom.y), cvScalar(255,0,0), 2);
cvLine(img, cvPoint(rect4pt.RightBottom.x, rect4pt.RightBottom.y),
cvPoint(rect4pt.LeftBottom.x, rect4pt.LeftBottom.y), cvScalar(255,0,0), 2);
cvLine(img, cvPoint(rect4pt.LeftBottom.x, rect4pt.LeftBottom.y),
cvPoint( rect4pt.LeftTop.x, rect4pt.LeftTop.y), cvScalar(255,0,0), 2);
Rect4Pt rect4ptZ;
MMathing.GetHMulRect(McornerPt2,&rect4ptZ);
}
cvShowImage("mainWin",img);
c = cvWaitKey(10);
if(c == 27)
break;
}
cvReleaseCapture(&capture);
cvDestroyAllWindows();
cvReleaseImage(&PatchImg);
cvReleaseImage(&BackGroundImg);
cvReleaseMat(&McornerPt2);
}
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使用名称空间std;
#包括“MareMatchingClass.h”
int-colorInt;
int g_开关_值=0;
//轨迹栏/开关回调
无效开关_回调(int位置){
如果(g_开关_值==0){
colorInt=0;
}否则{
colorInt=1;
}
}
int main()
{
cv::initModule_nonfree();
IplImage*补丁;
cvNamedWindow(“mainWin”,CV_窗口_自动调整大小);
cvCreateTrackbar(“开关”、“mainWin”和g_开关值,1,开关回调);
if(colorInt==0)
{
PatchImg=cvLoadImage(“D:/id2.jpg”,CV\u LOAD\u IMAGE\u灰度);
}
其他的
{
PatchImg=cvLoadImage(“D:/id.jpg”,CV\u LOAD\u IMAGE\u灰度);
}
//创建匹配类
CMareMatchingClass-MMathing;
//输入补丁
MMathing.ExtractPatchSurf(PatchImg);
双角点[9]={
MMathing.PatchWidth/2,0,MMathing.PatchWidth,
0,MMathing.PatchHeight,MMathing.PatchHeight,
1, 1, 1};
CvMat*McornerPt2=cvCreateMat(3,3,CV_64FC1);
memcpy(McornerPt2->data.db,cornerPt,sizeof(double)*9);
INTC;
IplImage*img;
IplImage*BackGroundImg=NULL;
CvCapture*capture=cvCaptureFromCAM(0);
cvSetCaptureProperty(捕捉,CV_CAP_PROP_FRAME_WIDTH,320);
cvSetCaptureProperty(捕捉,CV_CAP_PROP_FRAME_HEIGHT,240);
而(1)
{
捕获帧;
img=cvRetrieveFrame(捕获);
if(BackGroundImg==NULL)
{
背景img=cvCreateImage(cvSize(img->宽度,img->高度),8,1);
}
CVT颜色(img、背景img、CV_rgb2灰色);
Rect4Pt Rect4Pt;
if(MMathing.GetObjectRectAndBestH(BackGroundImg,&rect4pt)!=0)
{
cvLine(img,cvPoint(rect4pt.LeftTop.x,rect4pt.LeftTop.y),
cvPoint(rect4pt.rightop.x,rect4pt.rightop.y),cvScalar(255,0,0),2;
cvLine(img,cvPoint(rect4pt.rightop.x,rect4pt.rightop.y),
cvPoint(rect4pt.RightBottom.x,rect4pt.RightBottom.y),cvScalar(255,0,0),2;
cvLine(img,cvPoint(rect4pt.RightBottom.x,rect4pt.RightBottom.y),
cvPoint(rect4pt.LeftBottom.x,rect4pt.LeftBottom.y),cvScalar(255,0,0),2);
cvLine(img,cvPoint(rect4pt.LeftBottom.x,rect4pt.LeftBottom.y),
cvPoint(rect4pt.LeftTop.x,rect4pt.LeftTop.y),cvScalar(255,0,0),2;
Rect4Pt-rect4ptZ;
GetHMulRect(McornerPt2和rect4ptZ);
}
cvShowImage(“mainWin”,img);
c=cvWaitKey(10);
如果(c==27)
打破
}
cvReleaseCapture(&capture);
cvallwindows();
cvReleaseImage(&PatchImg);
cvReleaseImage(和BackGroundImg);
cvReleaseMat(&McornerPt2);
}
我认为你必须移动代码
if(colorInt!=lastColorInt)
{
if( colorInt == 0)
{
PatchImg = cvLoadImage("D:/id2.jpg", CV_LOAD_IMAGE_GRAYSCALE);
}
else
{
PatchImg = cvLoadImage("D:/id.jpg", CV_LOAD_IMAGE_GRAYSCALE);
}
lastColorInt=colorInt;
}
在while循环中,更改它以查找colorInt变量的更改状态(例如,当我更改它时)。不要忘记发行版分配的图像。我尝试了您的建议,但出现了一个错误“变量'PatchImg'未经初始化就被使用。”lastColorInt的值是多少?如何更改不断变化的状态变量?ThanksPointers必须初始化,因此您必须分配:PatchImg=NULL;一开始lastColorInt与colorInt的类型相同,并由与colorInt相同的值初始化。上面的代码中已经实现了状态转换捕获。