A systolic-array architecture for first-order 4-D IIR frequency-planar digital filters. - Randeel Wimalagunarathne; Arjuna Madanayake; Donald G. Dansereau; Len T. Bruton (ISCAS, 2012)

Integral form 4-D light field filters using Xilinx FPGAs and 45 nm CMOS technology. - Randeel Wimalagunarathne; Chamith Wijenayake; Arjuna Madanayake; Donald G. Dansereau; Len T. Bruton (Multidimens. Syst. Signal Process., 2015)

VLSI architecture for 4-D depth filtering. - Arjuna Madanayake; Randeel Wimalagunarathne; Donald G. Dansereau; Renato J. Cintra; Len T. Bruton (Signal Image Video Process., 2015)