ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,216,733, issued on Feb. 4, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Inverse transformation using pruning for video coding" was invented by Madhukar Budagavi (Plano, Texas) and Vivienne Sze (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for decoding an encoded video bit stream in a video decoder is provided that includes determining a scan pattern type for a transform block to be decoded, decoding a column position X and a row position Y of a last non-zero coefficient in the transform block from the encoded video bit stream, selecting a column-row inverse transform order when the scan pattern type is a first type, selec...