“…Similar effects but concerning practical output MSEs have been demonstrated for 3D DCT based filter (Ponomarenko et al, 2008b) and vector modified sigma filter (Kurekin et al, 1999;Lukin et al, 2006;Zelensky et al, 2002) applied to color and multichannel RS images. It is shown in these papers that vector processing provides sufficient benefit in filtering efficiency (up to 2 dB) for the cases of three-channel image processing with similar noise intensities in component images.…”