code: function (inData, outData, width, height) {
          convolve5x5(inData, outData, width, height,
              [
                  [-1, -1, -1, -1, -1],
                  [-1, -1, -1, -1, -1],
                  [-1, -1, 24, -1, -1],
                  [-1, -1, -1, -1, -1],
                  [-1, -1, -1, -1, -1]
              ],
              false, true, true);
      }
docs: A 5x5 Laplacian edge-detect