Adaptive vector LQ filter for color image processing
Andrei A. Kurekin, Владимир Васильевич Лукин, Alexander A. Zelensky, Jaakko T. Astola, Pauli Kuosmanen, Kari P. Saarinen · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1997
Robust adaptive vector filtering algorithms applicable to color and multichannel image processing are proposed. They are based on the use of Q-parameter that is a vector analog of quasirange. Considered algorithms have a good combination of properties: effective noise reduction, ability to remove spikes, edge and detail preservation, and low computational complexity. Their characteristics are evaluated quantitatively and compared to non-adaptive counterparts. Advantages of proposed algorithms are also demonstrated by simulated image processing results.