voluptasquisquam/src/image/operator/getSeparatedKernel.js

Image processing and manipulation in JavaScript

import {SVD} from 'ml-matrix';

export default function getSeparatedKernel(kernel) {
    const svd = new SVD(kernel, {autoTranspose: true});
    if (svd.rank !== 1) return null;
    const s = Math.sqrt(svd.s[0]);
    const v = svd.U.map(v => v[0] * s);
    const h = svd.V.map(h => h[0] * s);
    return [v, h];
}