final double[][] sigmas = DifferenceOfGaussian.computeSigmas( 0.5, 2, calibration, sigma1, sigma2 ); try
for ( int d = 0; d < cal.length; d++ ) cal[ d ] = calibration[ d ]; final double[][] sigmas = DifferenceOfGaussian.computeSigmas( 0.5, 2, cal, sigma1, sigma2 ); try