blockhash

Calculate perceptual hashes of images for similarity detection.

brewmacoslinux
Try with needOr install directly
Source

About

Perceptual image hash calculation tool

Commands

blockhash

Examples

find similar images by comparing hashes$ blockhash image1.jpg image2.jpg
generate hash for a single image file$ blockhash photo.png
compute image hash with specific precision level$ blockhash --bits 16 picture.jpg
batch process multiple images at once$ blockhash *.jpg
detect duplicate or near-duplicate images$ blockhash --quick image_folder/*.png