A pixel-based depth estimation algorithm and its hardware implementation for 4-D light field data. - Che-Wei Chang; Man-Rong Chen; Po-Hsiang Hsu; Yi-Chang Lu (ISCAS, 2014)

A Special-Purpose Processor for FFT-Based Digital Refocusing using 4-D Light Field Data. - Man-Rong Chen; Hao-Wei Liu; Yi-Hsien Lin; Yi-Chang Lu (ISCAS, 2019)