Input one image and it would automatically search within a large set of others to find matching ones

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C#

VB

Windows

application

Hi,
we could input one image and it would automatically search within a large set of others to find matching ones. Ideally, the reference images (screenshots) won’t be searched as such to avoid too long search time, but would be hashed somehow and stored in an DB to ensure fast comparison. (image to search “hashed” at runtime and hash is compared to reference hashes in DB).

It should be able to recognize full images or partial images (e.g. there could be a perfect match only of a part of the screenshot), images with different resolutions, images which are not exactly centered the same way,…

Thank You.