ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,073, issued on Aug. 4, was assigned to Intel Corp. (Santa Clara, Calif.).
"Local adaptive contrast enhancement techniques" was invented by Susanta Bhattacharjee (Bangalore, India) and Happy M. Ramani (Gujarat, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, an apparatus includes hardware circuitry to determine a tile brightness value and a tile contrast value for each respective tile of a plurality of tiles that together comprise an input frame. The circuitry obtains a first enhancement factor (e.g., from a first lookup table) based on the tile brightness value and a second enhancement factor (e.g., from a second lookup table)...