compare two images and extract the difference using emgu cv library

问题

i want to compare two images like image1.png and image2.png.both the images look pretty same with some difference. so i want to get the difference and want to apply the difference on first image image1.png. i searched lot to get similar kind of code of this library but found none.

after lots of search i got bit similar kind of things which i am looking for in java code. here is the url http://mindmeat.blogspot.in/2008/07/java-image-comparison.html

please go to the url and there you can see the code generate 3rd image with difference but my requirement is bit different. i do not want to generate 3rd image rather i want to apply the difference on the 1st image image1.png. some one told me it can be done very easily with emgu cv library. so i search for similar code based on emgu cv library but found no. it will be great help me anyone can guide me with sample code using emgu cv library.

thanks

回答1:

I think what you require is:

image1 = image2 - image1;

Due to operator overloading, this is possible directly in Emgu CV

来源：https://stackoverflow.com/questions/13651734/compare-two-images-and-extract-the-difference-using-emgu-cv-library