Browse by Keyword: "ratio"

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bigrat rational.js: tools and libraries using rational numbers.

convert-units Convert between quantities in different units

detect-zoom Cross Browser Zoom and Pixel Ratio Detector

lb-ratio Provides a Fraction, Rational, and Ratio object for javascript.

psnr Peak signal-to-noise ratio, often abbreviated PSNR, is an engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its representation. Because many signals have a very wide dynamic range, PSNR is usually expressed in terms of the logarithmic decibel scale.

retinafy Use JS to choose <img> src based on devicePixelRatio

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.

stylus-modular-scale Create rhythmic sizes from a given musical

vulgarities Unicode fractions made easy

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