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Double Patenting
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Claims 1-9 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-9 of U.S. Patent No. 12,273,526. Although the claims at issue are not identical, they are not patentably distinct from each other:
Application No. 19/082,674
U.S. Patent No. 12,273,526
Claim 1
Claim 1
An apparatus, comprising: a memory; and
at least one processor connected to the memory; the at least one processor being configured to:
An image decoding method performed by a decoding apparatus, comprising:
receive residual information from a bitstream,
receiving residual information from a bitstream;
deriving transform coefficients for a current block based on the residual information;
deriving transform coefficients for a current block based on the residual information;
determining whether to parse a multiple transform selection (MTS) index for applying an MTS to the current block;
determining whether to parse a multiple transform selection (MTS) index for applying an MTS to the current block;
deriving residual samples for the current block by applying the MTS to the current block based on the MTS index; and
deriving residual samples for the current block by applying the MTS to the current block based on the MTS index; and
generating a reconstructed picture based on the residual samples,
generating a reconstructed picture based on the residual samples,
wherein whether to parse the MTS index is determined based on a flag value related to whether at least one non-zero transform coefficient for a luma component of the current block is present,
wherein whether to parse the MTS index is determined based on a flag value related to whether at least one non-zero transform coefficient for a luma component of the current block is present,
wherein based on the flag value being 0, the MTS index is not parsed,
wherein based on the flag value being 0, the MTS index is not parsed,
wherein whether to parse the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed
wherein whether to parse the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed
wherein the first variable is set to an initial value equal to 1 in a coding unit syntax,
wherein the first variable is set to an initial value equal to 1 in a coding unit syntax,
wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and
wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and
wherein the MTS index is configured in the coding unit syntax.
wherein the MTS index is configured in the coding unit syntax.
Claim 2
Claim 2
wherein whether to parse the MTS index is
determined based on a tree type of the current block and a partition type of the current block.
wherein whether to parse the MTS index is determined based on a tree type of the current block and a partition type of the current block.
Claim 3
Claim 3
wherein the MTS index is parsed based on the tree type of the current block being not a dual tree chroma and a low frequency non-separable
transform (LFNST) index related to an LFNST kernel applied to the current block being 0.
wherein the MTS index is parsed based on the tree type of the current block being not a dual tree chroma and a low frequency non-separable transform (LFNST) index related to an LFNST kernel applied to the current block being 0.
Claim 4
Claim 4
wherein the MTS index is parsed based on the
current block being not divided into a plurality of sub-partition blocks and a sub-block transform for performing transform by dividing a coding unit being not applied to the current block.
wherein the MTS index is parsed based on the current block being not divided into a plurality of sub-partition blocks and a sub-block transform for performing transform by dividing a coding unit being not applied to the current block.
Claim 5
Claim 5
An apparatus, comprising: a memory; and
at least one processor connected to the memory, the at least one processor being configured to:
An image encoding method performed by an image encoding apparatus, comprising:
deriving prediction samples for a current block;
deriving prediction samples for a current block;
deriving residual samples for the current block based on the prediction samples;
deriving residual samples for the current block based on the prediction samples;
deriving transform coefficients for the current block based on a multiple transform selection (MTS) for the residual samples; and
deriving transform coefficients for the current block based on a multiple transform selection (MTS) for the residual samples; and
encoding residual information derived through quantization of the transform coefficients and an MTS index related to an MTS kernel,
encoding residual information derived through quantization of the transform coefficients and an MTS index related to an MTS kernel,
wherein whether to encode the MTS index is determined based on a flag value related to whether at least one non-zero transform coefficient for a luma component of the current block is present,
wherein whether to encode the MTS index is determined based on a flag value related to whether at least one non-zero transform coefficient for a luma component of the current block is present,
wherein based on the flag value being 0, the MTS index is not encoded,
wherein based on the flag value being 0, the MTS index is not encoded,
wherein whether to encode the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed,
wherein whether to encode the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed,
wherein the first variable is set to an initial value equal to 1 in a coding unit syntax,
wherein the first variable is set to an initial value equal to 1 in a coding unit syntax,
wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and
wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and
wherein the MTS index is configured in the coding unit syntax.
wherein the MTS index is configured in the coding unit syntax.
Claim 6
Claim 6
wherein the MTS index is encoded based on a tree type of the current block and a partition type of the current block.
wherein the MTS index is encoded based on a tree type of the current block and a partition type of the current block.
Claim 7
Claim 7
wherein the MTS index is encoded based on the
tree type of the current block being not a dual tree chroma and a low frequency non-separable
transform (LFNST) index related to an LFNST kernel applied to the current block being 0.
wherein the MTS index is encoded based on the tree type of the current block being not a dual tree chroma and a low frequency non-separable transform (LFNST) index related to an LFNST kernel applied to the current block being 0.
Claim 8
Claim 8
wherein the MTS index is encoded based on the
current block being not divided into a plurality of sub-partition blocks and a sub-block transform for performing transform by dividing a coding unit being not applied to the current block.
wherein the MTS index is encoded based on the current block being not divided into a plurality of sub-partition blocks and a sub-block transform for performing transform by dividing a coding unit being not applied to the current block.
Claim 9
Claim 9
An apparatus, comprising:
a transmitter configured to transmit the bitstream,
at least one processor configured to obtain a bitstream, wherein the bitstream is generated based on:
A non-transitory computer-readable digital storage medium that stores a bitstream generated by a method, the method comprising:
deriving prediction samples for a current block,
deriving prediction samples for a current block;
deriving residual samples for the current block based on the prediction samples,
deriving residual samples for the current block based on the prediction samples;
deriving transform coefficients for the
current block based on a multiple transform selection (MTS) for the residual samples, and
deriving transform coefficients for the current block based on a multiple transform selection (MTS) for the residual samples; and
encoding residual information derived through quantization of the transform coefficients and
an MTS index related to an MTS kernel; and
encoding residual information derived through quantization of the transform coefficients and an MTS index related to an MTS kernel to generate the bitstream,
wherein whether to encode the MTS index is determined based on a flag value related
to whether at least one non-zero transform coefficient for a luma component of the current
block is present,
wherein whether to encode the MTS index is determined based on a flag value related to whether at least one non-zero transform coefficient for a luma component of the current block is present,
wherein based on the flag value being 0, the MTS index is not encoded,
wherein based on the flag value being 0, the MTS index is not encoded,
wherein whether to encode the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed,
wherein whether to encode the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed,
wherein the first variable is set to an initial value equal to 1 in a coding unit syntax,
wherein the first variable is set to an initial value equal to 1 in a coding unit syntax,
wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and
wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and
wherein the MTS index is configured in the coding unit syntax.
wherein the MTS index is configured in the coding unit syntax.
Allowable Subject Matter
Claims 1-9 are objected to as being rejected on the grounds of non-statutory double patenting as shown above, but would be allowable if the double patenting rejections were to be overcome, such as through the filing of a Terminal Disclaimer in compliance with 37 CFR 1.321(b).
The following is a statement of reasons for the indication of allowable subject matter: The prior art does not teach or suggest the combination of limitations presented in the independent claims, with specific regard to wherein whether to parse the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed, wherein the first variable is set to an initial value equal to 1 in a coding unit syntax, wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and wherein the MTS index is configured in the coding unit syntax.
The closest prior art of reference, Bross et al. "Versatile Video Coding (Draft 6)," JVET-02001-vE. Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, 15th Meeting: Gothenburg, SE, 3-12 July 2019, pp. 1-439, teaches an image decoding process performed by a decoding apparatus, and showing residual coding syntax in the bitstream and noting the values of transform coefficient levels for the current transform block, variables specifying min and max transform coefficient values, a step for specifying transform kernels on the basis of tu_mts_idx and using the transform kernels to derive residual samples, and a step for outputting a reconstructed picture using the residual samples. However, Bross does not expressly disclose wherein whether to parse the MTS index is determined based on a first variable indicating whether zero-out for the MTS is performed, wherein the first variable is set to an initial value equal to 1 in a coding unit syntax, wherein, based on a case where the at least one non-zero transform coefficient is present in a second region other than a first region at a top-left of the current block and a color index of the current block indicates a luma component, the first variable is changed to 0 in a residual coding syntax, and wherein the MTS index is configured in the coding unit syntax.
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Conclusion
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/TYLER B. EDWARDS/
Examiner
Art Unit 2488
/SATH V PERUNGAVOOR/Supervisory Patent Examiner, Art Unit 2488
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