python - Spectral Hashing of images for matching with hamming distance -

i looking python implementation of spectral hashing or semantic hashing algorithm images. works on hamming distances can store in database mysql or postgresql.

i have read using gist determine descriptors of image , using spectral hashing, lsh or rbm. however, don't know how implement in python.

so far have found lsh code in python, don't know if generates binary hash hamming distances.

i have tried phashing, doesn't work nicely object recognition in images.

i don't want large arrays of keypoint descriptors have calculate euclidean distance, slow or need special data structures match other images.

thanks

you can try package: https://github.com/wanji/hdidx. implements product quantization algorithm proposed herve jegou :)