image-js/lib/image/compute/mean.js

Image processing and manipulation in JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = mean;
var _histogram = require("../../util/histogram");
/**
 * Returns an array with the average value of each channel
 * @memberof Image
 * @instance
 * @return {number[]} Array having has size the number of channels
 */
function mean() {
  let histograms = this.getHistograms({
    maxSlots: this.maxValue + 1
  });
  let result = new Array(histograms.length);
  for (let c = 0; c < histograms.length; c++) {
    let histogram = histograms[c];
    result[c] = (0, _histogram.mean)(histogram);
  }
  return result;
}