MUMBAI, India, June 19 -- Intellectual Property India has published a patent application (202617056966 A) filed by Interdigital Ce Patent Holdings, Sas on May 05, 2026, for Implicit Multiple Transform Selection (mts) Using Offline Transform Analysis.

Inventors include Bonnineau, Charles; Puri, Saurabh; Naser, Karam; Marzuki, Ismail; and Bossen, Frank.

The application for the patent was published on June 05, 2026, under issue no. 23/2026.

Abstract: In one implementation, we propose an implicit MTS method based on a mode-wise lookup table (LUT), where the LUT infers the best transform pair for a given block from its intra prediction mode and/or TU size. The LUT is trained offline using statistics collected from an exhaustive search on transforms performed in the encoder. This approach offers a flexible distribution of transform pairs between consecutive modes and allows combinations of other transforms with DCT2, which are not considered in the current ECM explicit MTS LUT. The method applies at both the encoder and decoder processes.

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