icepick

Utilities for treating frozen JavaScript objects as persistent immutable collections.

v2.4.0 URL: https://unpkg.com/icepick@2.4.0/icepick.js

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freeze frozen immutable immutability persistent collections structural sharing update redux flux store react mori clojure

ssim.js

JavaScript implementation of the SSIM algorithm

v3.5.0 URL: https://unpkg.com/ssim.js@3.5.0/dist/ssim.web.js

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ssim mssim ssim_map image compare structural similarity processing

partial.lenses.validation

Partial Lenses Validation is a JavaScript library for validating and transforming data

v2.0.0 URL: https://unpkg.com/partial.lenses.validation@2.0.0/dist/partial.lenses.validation.cjs.js

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structural json validation transform contracts asynchronous

deeper

JavaScript "deep equality" / structural equality tester with Node.js flavor.

v2.1.0 URL: https://unpkg.com/deeper@2.1.0/index.js

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deepEqual structural equality assert testing tap

ssim

The structural similarity (SSIM) index is a method for measuring the similarity between two images. The SSIM index is a full reference metric; in other words, the measuring of image quality based on an initial uncompressed or distortion-free image as reference. SSIM is designed to improve on traditional methods like peak signal-to-noise ratio (PSNR) and mean squared error (MSE), which have proven to be inconsistent with human eye perception.

v0.0.0 URL: https://unpkg.com/ssim@0.0.0/src/ssim.js

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psnr mse ratio signal structural similarity