JPEG Archive
The following utilities are part of this project: jpeg-archive: compress RAW and JPEG files in a folder utilizing all CPU cores. jpeg-recompress: compress JPEGs by re-encoding to the smallest JPEG quality while keeping perceived visual quality the same and by making sure huffman tables are optimized. This is a lossy operation, but the images are visually identical and it usually saves 30-70% of the size for JPEGs coming from a digital camera, particularly DSLRs. jpeg-compare: Compare two JPEG photos to judge how similar they are. jpeg-hash: Create a hash of an image that can be used to compare it to other images quickly.
