Initial CRAN release.
compute_hashes(): compute 64-bit dHash perceptual hashes for a set of
image files.find_duplicate_groups(): cluster images into near-duplicate groups by
Hamming distance.dhash_audit(): report how many duplicate groups, and what percentage of
each split, are contaminated across train/validation/test boundaries.clean_splits(): produce a corrected, leak-free split assignment by
reassigning leaked groups according to a priority order.hamming_distance(): exported helper for comparing hex-encoded hashes.