XnView Software

Would you please implement search similar picture function?
there's open source BSD license library for doing this job, libpuzzle:
http://libpuzzle.pureftpd.org/project/libpuzzle

??? Sorry but there is already a similar feature

xnview wrote:??? Sorry but there is already a similar feature

that's slow.
libpuzzle can generate signature for every image, you can save it in cache.db and search it fast.