ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,842, issued on Feb. 24, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"Pattern-based image data compression" was invented by Xile Yang (Rickmansworth, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and compression units for compressing a two-dimensional block of image element values. The method includes: dividing the two-dimensional block of image element values into a plurality of sub-blocks of image element values; identifying which pattern of a plurality of patterns is formed by the image element values of a first sub-block of the plurality of sub-blocks; and forming a compressed block of imag...