1. A method of image processing, comprising: sequentially performing a first image processing operation on each line of image data in a plurality of lines of image data; compressing each of the lines of image data in the plurality of lines of image data; storing each of the plurality of lines of image data in one of a plurality of line buffers; simultaneously outputting the plurality of lines of image data from the plurality of line buffers; simultaneously decompressing the plurality of lines of image data that are output from the plurality of line buffers to produce a plurality of decompressed lines of data; and performing a second image processing operation on the plurality of decompressed lines of data.