Comparing 2 images using c++ program

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hi all,
i want to code to compare two images either using Qt/pure C++. The will have different formats(e.g jpeg vs bmp). Please help

thanx in advance

Posted 19-Sep-11 21:05pm

cppEnthu

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Mehdi Gholam 20-Sep-11 4:10am

What do you mean by compare? in the context of images this could mean a lot of things since extracted pixels can be different in various formats for the same image.

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E.F. Nijboer · Answer 1 · 2011-09-20T04:43:00

You can start out with here where you can find some good answers:
http://stackoverflow.com/questions/843972/image-comparison-fast-algorithm[^]

Also, a sourceforge project you might want to check out:
http://sourceforge.net/projects/pdiff/[^]

QGoImageCompare:
http://www.kitware.com/products/html/ALightweightImageComparisonLibrary.html[^]

Good luck!