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2016-08-20 05:36:01 -0500 commented question Features2D return TRUE if 2 Mat are matches

No is not! May have been a misunderstanding here. Same, I mean are equal. So red apple is EQUAL to red apple, is not same with green apple. I'm sorry for the mistake, my bad.

2016-08-20 05:24:19 -0500 commented question Features2D return TRUE if 2 Mat are matches

same it means EQUAL

2016-08-20 05:19:07 -0500 commented question Features2D return TRUE if 2 Mat are matches

Okay, so OpenCV can compare 2 images, but cannot find if both images is same?

2016-08-19 23:56:56 -0500 asked a question Features2D return TRUE if 2 Mat are matches

Hello, I'm newbie in CV programming. Based on tutorial in Features2D I found that the detection of two images is not difficult. But the results of these tutorials is to show the keypoints of the two images and draw a line. My question is can I just get a boolean if the two images are the same or not. I do not need to display images from two matches Mat, I just need to know that both Mat is the same or not.

Let's say I have a picture of "A", then I insert the picture "A" is to the database. I also have a printed picture "A" on a piece of paper. When I show a printed picture of "A" to the camera, then my program will be able to instantly recognize the picture "A" is.

Thanks in advance for the reply.