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PerceptualSimilarity
Python

PerceptualSimilarity

LPIPS metric. pip install lpips

by richzhang · GitHub
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deep-learningdeep-neural-networksperceptualBSD-2-ClausePython
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Calculate image similarity and use perceptual loss in your projects with a simple Python library.

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2026-07-072026-08-31
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LPIPS metric. pip install lpips

PerceptualSimilarity has 4.3k stars on GitHub. It has been forked 524 times. PerceptualSimilarity is written mainly in Python. It has been in active development since 2018. PerceptualSimilarity is available under the BSD-2-Clause license. Its main topics are deep-learning, deep-neural-networks, perceptual, perceptual-losses.

Frequently asked questions

What is PerceptualSimilarity?

LPIPS metric. pip install lpips

Is PerceptualSimilarity open source?

PerceptualSimilarity is an open-source project. It is released under the BSD-2-Clause license.

Is PerceptualSimilarity free?

Yes. PerceptualSimilarity is free and open source — you can use, modify and self-host it.

What license does PerceptualSimilarity use?

PerceptualSimilarity is available under the BSD-2-Clause license.

What language is PerceptualSimilarity written in?

PerceptualSimilarity is written mainly in Python.

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