Intellectual Property India Publishes Patent Application for Interaction Between Secondary Transform And Sub-Block Transform

MUMBAI, India, Aug. 31 -- Intellectual Property India has published a patent application (202617081733 A) filed by Interdigital Ce Patent Holdings on July 02, 2026, for Interaction Between Secondary Transform And Sub-Block Transform.

Inventors include Naser, Karam; Le Leannec, Fabrice; Bonnineau, Charles; and Urban, Fabrice.

The application for the patent was published on August 28, 2026, under issue no. 35/2026.

Abstract: A device (e.g., a decoder for video decoding) may determine that sub-block transform (SBT) is enabled for a video block. The device may determine whether a secondary transform (e.g., low-frequency non-separable transform (LFNST) or non-separable primary transform (NSPT)) is enabled for the video block. The device may d...