ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,005, issued on Jan. 20, was assigned to Varjo Technologies Oy (Helsinki).
"Image encoding based on alpha channel" was invented by Ari Antti Erik Peuhkurinen (Helsinki) and Timo Suoranta (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an encoder for encoding images, the encoder having a processor configured to obtain colour data of colour channels of a given image and alpha data of an alpha channel of the given image; identify at least one portion of the given image whose alpha values are zero or less than a predefined threshold value, wherein a zero alpha value indicates full transparency; divide a remaining portion of the give...