KR102384113B1 - 이산 사인 변환 (ｄｓｔ) 유형-vii 변환 코어를 사용하는 비디오 시퀀스 디코딩 방법 및 장치 - Google Patents

이산 사인 변환 (ｄｓｔ) 유형-vii 변환 코어를 사용하는 비디오 시퀀스 디코딩 방법 및 장치 Download PDF

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KR102384113B1
KR102384113B1 KR1020207029116A KR20207029116A KR102384113B1 KR 102384113 B1 KR102384113 B1 KR 102384113B1 KR 1020207029116 A KR1020207029116 A KR 1020207029116A KR 20207029116 A KR20207029116 A KR 20207029116A KR 102384113 B1 KR102384113 B1 KR 102384113B1
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신 자오
샹 리
샨 리우
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텐센트 아메리카 엘엘씨
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

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  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020207029116A 2018-05-07 2019-04-11 이산 사인 변환 (ｄｓｔ) 유형-vii 변환 코어를 사용하는 비디오 시퀀스 디코딩 방법 및 장치 Active KR102384113B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862668065P 2018-05-07 2018-05-07
US62/668,065 2018-05-07
US16/218,076 2018-12-12
US16/218,076 US10462486B1 (en) 2018-05-07 2018-12-12 Fast method for implementing discrete sine transform type VII (DST 7)
PCT/US2019/026943 WO2019217027A1 (en) 2018-05-07 2019-04-11 Fast dst-7

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KR20200125729A KR20200125729A (ko) 2020-11-04
KR102384113B1 true KR102384113B1 (ko) 2022-04-08

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US (4) US10462486B1 (https=)
EP (1) EP3763127B1 (https=)
JP (6) JP7024106B2 (https=)
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US11134275B2 (en) 2019-06-04 2021-09-28 Tencent America LLC Method and apparatus for performing primary transform based on filtering of blocks
US11212545B2 (en) 2019-06-07 2021-12-28 Tencent America LLC Method and apparatus for improved implicit transform selection
US11412258B2 (en) 2020-02-12 2022-08-09 Tencent America LLC Line graph transforms (LGTs) using 8-bit and 10-bit cores
US11405647B2 (en) 2020-02-18 2022-08-02 Tencent America LLC Primary transforms using 8-bit and 10-bit cores
US11432018B2 (en) 2020-05-11 2022-08-30 Tencent America LLC Semi-decoupled partitioning for video coding
US11259055B2 (en) 2020-07-10 2022-02-22 Tencent America LLC Extended maximum coding unit size
US11206428B1 (en) 2020-07-14 2021-12-21 Tencent America LLC Method and apparatus for frequency-dependent joint component secondary transform
US11575937B2 (en) 2020-07-24 2023-02-07 Tencent America LLC Methods for efficient application of LGT
US11310504B2 (en) 2020-07-30 2022-04-19 Tencent America LLC Complexity reduction for 32-p and 64-p LGT

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CN115118997A (zh) 2022-09-27
US10462486B1 (en) 2019-10-29
JP2025123329A (ja) 2025-08-22
WO2019217027A1 (en) 2019-11-14
JP7024106B2 (ja) 2022-02-22
US20210044831A1 (en) 2021-02-11
CN111837398B (zh) 2022-07-15
KR20200125729A (ko) 2020-11-04
JP7295210B2 (ja) 2023-06-20
US20220394297A1 (en) 2022-12-08
JP2024091910A (ja) 2024-07-05
US20190342579A1 (en) 2019-11-07
US11985351B2 (en) 2024-05-14
EP3763127B1 (en) 2026-05-06
JP2023105228A (ja) 2023-07-28
JP2022051898A (ja) 2022-04-01
JP2022033178A (ja) 2022-02-28
EP3763127A4 (en) 2021-05-12
JP7481546B2 (ja) 2024-05-10
JP7698102B2 (ja) 2025-06-24
CN111837398A (zh) 2020-10-27
CN115118997B (zh) 2025-04-18
JP2021516011A (ja) 2021-06-24
US11463730B2 (en) 2022-10-04
US20190379911A1 (en) 2019-12-12
JP7295289B2 (ja) 2023-06-20
EP3763127A1 (en) 2021-01-13
US10841616B2 (en) 2020-11-17

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