"Vision-camera 0" OPENCV Call USB Industrial camera

OpenCV videocapture Capture Camera

Environmental win7+vs2010+opencv2.4.9

Camera3.cpp: Defines the entry point of the console application.

//

#include "stdafx.h"

#include <opencv2/opencv.hpp>

#include <iostream>

using namespace CV;

using namespace Std;

int main ()

{

Declaring a video read-in class

Videocapture capture;

Read video from camera 0 means read from camera

Capture.open (0);

if (!capture.isopened ())//first determine whether to turn on the camera

{

return-1;

}

Namedwindow ("Win");

while (1) {

Mat cap;

Read Current frame

Capture >> Cap;

if (!cap.empty ())

Imshow ("Win", cap); If the current frame captures successfully, the display

Else

cout << "Can not";//processing of the last frame (empty processing)

Waitkey (30); Delay 30 ms

}

return 0;

}

Camera2.cpp: Defines the entry point of the console application.

//

#include "stdafx.h"

#include <opencv2\opencv.hpp>

using namespace CV;

-----------------------------------the main () function--------------------------------------------

Description: The entry function of the console application, our program starts here

//-------------------------------------------------------------------------------------------------

int main ()

{

"1" read the video from the camera

Videocapture Capture (0);//0,1,-1 combination continue;//break;

"2" cycle shows each frame

while (1)

{

Mat frame; Define a mat variable to store the image for each frame

capture>>frame; Read Current frame

if (Frame.empty ())

Continue

break; 0,1,-1 can not be combined

Processing of the last frame (empty processing)

Imshow ("read video", frame); Show Current frame

Waitkey (30); Delay 30ms

}

return 0;

}

Camera2.cpp: Defines the entry point of the console application.

//

#include "stdafx.h"

#include <opencv2\opencv.hpp>

using namespace CV;

-----------------------------------the main () function--------------------------------------------

Description: The entry function of the console application, our program starts here

//-------------------------------------------------------------------------------------------------

int main ()

{

"1" read the video from the camera

Videocapture Capture (0);//0,1,-1 combination continue;//break;

"2" cycle shows each frame

while (1)

{

Mat frame; Define a mat variable to store the image for each frame

capture>>frame; Read Current frame

if (Frame.empty ())

Continue

break; 0,1,-1 can not be combined

Processing of the last frame (empty processing)

Imshow ("read video", frame); Show Current frame

Waitkey (30); Delay 30ms

}

return 0;

}

if (Frame.empty ())

Continue;//break; 0,1,-1 can not be combined

Videocapture Capture (0);//0,1,-1 combination continue;//break;

if (Frame.empty ())
Break
May I

Videocapture Capture (0);
if (Frame.empty ())
Continue
Yes, but I don't know because of what, continue; it's the key.
Thank you

Camera3.cpp: Defines the entry point of the console application.

//

#include "stdafx.h"

#include <opencv2\opencv.hpp>

using namespace CV;

int main ()

{

Videocapture Capture (0);

while (1)

{

Mat frame;

if (capture.isopened ())

{

Capture >> frame;

Imshow ("final result", frame);

Waitkey (30);

}

}

return (0);

}

Camera3.cpp: Defines the entry point of the console application.

//

#include "stdafx.h"

#include <opencv2/opencv.hpp>

#include <iostream>

using namespace CV;

using namespace Std;

int main ()

{

Declaring a video read-in class

Videocapture capture;

Read video from camera 0 means read from camera

Capture.open (0);

if (!capture.isopened ())//first determine whether to turn on the camera

{

return-1;

}

Namedwindow ("Win");

while (1) {

Mat cap;

Read Current frame

Capture >> Cap;

if (!cap.empty ())

Imshow ("Win", cap); If the current frame captures successfully, the display

Else

cout << "Can not";//processing of the last frame

Waitkey (30); Delay 30 ms

}

return 0;

}