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Hi,

I'm working on a project to monitor our fish population. Every year we release new young carp. We ask fishermen to send us photographs of every catch to see where they go. We identify these fish by the scale pattern. Every fish is unique in its scale pattern.This is quite a lot of work to do by hand.

Is it possible to detect similarity in scale pattern with OpenCV? Any pointers on how to accomplish this? I've a decent background in programming, but am a little stuck where to start.

Example of one fish release picture and catch picture:

Hi,

I'm working on a project to monitor our fish population. Every year we release new young carp. We ask fishermen to send us photographs of every catch to see where they go. We identify these fish by the scale pattern. Every fish is unique in its scale pattern.This is quite a lot of work to do by hand.

Is it possible to detect similarity in scale pattern with OpenCV? Any pointers on how to accomplish this? I've a decent background in programming, but am a little stuck where to start.

Example of one fish release picture and catch picture:picture (I marked the scale pattern with red, to show how we recognise the fish on pictures):

To demonstrate the uniqeness of the scale pattern per fish, this is a different one: