image-js/lib/stack/compute/median.js

Image processing and manipulation in JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = median;
var _histogram = require("../../util/histogram");
/**
 * @memberof Stack
 * @instance
 * @return {number[]}
 */
function median() {
  this.checkProcessable('median', {
    bitDepth: [8, 16]
  });
  let histograms = this.getHistograms({
    maxSlots: this[0].maxValue + 1
  });
  let result = new Array(histograms.length);
  for (let c = 0; c < histograms.length; c++) {
    let histogram = histograms[c];
    result[c] = (0, _histogram.median)(histogram);
  }
  return result;
}