Lossless coding of light field camera data captured with a micro-lens array and a color filter

This paper describes an efficient lossless coding scheme for Light Field Camera (LFC) data. To exploit correlations among color components, our scheme utilizes four kinds of linear predictors which correspond to a 2×2 pattern of the Bayer color filter array. Moreover, their combinations are adaptively switched according to local properties of the LFC data. In order to improve coding efficiency, in this paper, disposition of reference samples as well as partitioning patterns for the above adaptive prediction are investigated by considering structures of a micro-lens array and the color filter used in the LFC. Experimental results demonstrate that the average coding rate of the proposed scheme is about 26 % and 30 % lower than those of JPEG 2000 and JPEG-LS based schemes, respectively.