MUMBAI, India, Aug. 8 -- Intellectual Property India has published a patent application (202528069445 A) filed by Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V., Munchen, Germany, on July 21, for 'arithmetic encoders, arithmetic decoders, video encoder, video decoder, methods for encoding, methods for decoding and computer program.'
Inventor(s) include Kirchhoffer, Heiner; Stegemann, Jan; Marpe, Detlev; Haase, Paul; Matlage, Stefan; Bartnik, Christian; Schwarz, Heiko; and Wiegand, Thomas.
The application for the patent was published on Aug. 8, under issue no. 32/2025.
According to the abstract released by the Intellectual Property India: "An arithmetic encoder for encoding a plurality of symbols having symbol values is configured to derive an interval size information for an arithmetic encoding of one or more symbol values to be encoded on the basis of a plurality of state variable values, which represent statistics of a plurality of previously encoded symbol values with different adaptation time constants. The arithmetic encoder is configured to map a first state variable value, or a scaled and/or rounded version thereof, using a lookup-table and to map a second state variable value, or a scaled and/or rounded version thereof using the lookup-table, in order to obtain the interval size information describing an interval size for the arithmetic encoding of one or more symbols to be encoded. Further arithmetic encoders, arithmetic decoders, video encoders, video decoder, methods for encoding, methods for decoding and computer programs are also disclosed which are based on the same concept and on other concepts."
The patent application was internationally filed on July 05, 2019, under International application No.PCT/EP2019/068188.
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