pHash Open source perceptual hash library
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library C++ library C++ hash algorithm perceptual hash library perceptual hash

pHash Description

Open source perceptual hash library pHash is an open source and free software library that implements several perceptual hashing algorithms, and provides a C-like API to use those functions in your own programs. pHash itself is written in C++.A perceptual hash is a fingerprint of a multimedia file derived from various features from its content. Unlike cryptographic hash functions which rely on the avalanche effect of small changes in input leading to drastic changes in the output, perceptual hashes are "close" to one another if the features are similar. What's New in This Release: · Fixes minor bugs in the MH image hash as well as when compiling on older gcc versions

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