imaqLearnPattern

[ReuvenGershon]

Hi. I am trying to select a part of an image ( video ) and display it a new window in order to search it in video image.

After i open the camera a new window pops up to see the video image than i choose a part of it with toolbox than a new window pops up but instead of the part of the image i see green image at the size of the part that i chose.

/* Create images that will be used within this program */

            searchImage = imaqCreateImage (IMAQ_IMAGE_RGB, 2);

            templateImage = imaqCreateImage (IMAQ_IMAGE_RGB, 2);

                                                                                  etc. etc. etc. etc.

            switch (event)

                        {

                        case IMAQ_DRAW_EVENT:

                                    userRect = rect;

                                    imaqSetImageSize(templateImage, userRect.width, userRect.height);

                                    imaqCopyRect (templateImage, searchImage, userRect,

                                                                          imaqMakePoint(0,0));

                                    imaqMoveWindow (1, MakePoint(410,350));

                                    imaqDisplayImage (templateImage, 1, 1);

                                    break;

                        }

}

 Please help.

Thanks

[David-A]

Hello ReuvenGershon,

If I interpret you correctly you are acquiring video from a camera, and you want to crop out a certain portion of the image leaving only a specified rectangle of the orignal image behind.  Is this correct?  If so, I'm uncertain which portion you are having difficulty with.  Does the code you post produce a green image that isn't supposed to be green?  Or does it not resize the image as it is intended to be resized? 

David A

[ReuvenGershon]

Thanks for reply.

You are right. The thing is i want to choose an object and track it ; lets say ball. Size of the image correct but it always pop up in green. Doesn't matter what i chose it is always green.

[David-A]

Hello ReuvenGershon,

It looks like this is a duplicate thread.  I've spoken with Michael B. and we've decided to close this thread and post responses in the other thread.

David A.