Description: In this paper, is how to overlay the two pictures, like a film which sometimes appear in the lens, two images can overlap in different proportions, of course, mainly using the the the opencv own function addWeighted () reference materials for opencv comes tutiol its code. Development environment: ubuntu12.04+opencv2.4.2+Qt4.8.2+QtCreator2.5 experimental feature: Click Open image1 button, open an image and displayed on the left. Click Open image2 button to open the two pictures and show up in the middle. In the proportion of the alpha field, enter a picture in the picture is mixed, then the value of the Beta Bar will change with it, because 2 the proportion of 1.0. Similarly, enter two pictures in the Beta column proportion in the picture is mixed, this time Alpha column values will change. Click the Add image button in the software the right column you can see the picture mixed effect.
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