Node.js module for color quantization, based on Leptonica.
npm install quantize
var quantize = require('quantize');
var arrayOfPixels = [[190,197,190], [202,204,200], [207,214,210], [211,214,211], [205,207,207]];
var maximumColorCount = 4;
var colorMap = quantize(arrayOfPixels, maximumColorCount);arrayOfPixels- An array of pixels (represented as [R,G,B arrays]) to quantizemaxiumColorCount- The maximum number of colours allowed in the reduced palette
The .palette() method returns an array that contains the reduced color palette.
// Returns the reduced palette
colorMap.palette();
// [[204, 204, 204], [208,212,212], [188,196,188], [212,204,196]]The .map(pixel) method maps an individual pixel to the reduced color palette.
// Returns the reduced pixel
colorMap.map(arrayOfPixels[0]);
// [188,196,188]Licensed under the MIT License.
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