MX2021003049A - Separación en segmentos y separación en mosaicos en codificación de video. - Google Patents

Separación en segmentos y separación en mosaicos en codificación de video.

Info

Publication number
MX2021003049A
MX2021003049A MX2021003049A MX2021003049A MX2021003049A MX 2021003049 A MX2021003049 A MX 2021003049A MX 2021003049 A MX2021003049 A MX 2021003049A MX 2021003049 A MX2021003049 A MX 2021003049A MX 2021003049 A MX2021003049 A MX 2021003049A
Authority
MX
Mexico
Prior art keywords
tiles
entry point
video coding
point offsets
nal unit
Prior art date
Application number
MX2021003049A
Other languages
English (en)
Inventor
Fnu Hendry
Jianle Chen
Ye-Kui Wang
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2021003049A publication Critical patent/MX2021003049A/es

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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
    • H04N19/42—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
    • H04N19/436—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 using parallelised computational arrangements
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Abstract

Se describe un mecanismo de codificación de video. El mecanismo incluye recibir en un decodificador, un flujo de bits que incluye una unidad de capa de codificación de video (VCL) de capa de abstracción de red (NAL) que contiene un segmento de datos de imagen dividido en una pluralidad de mosaicos. Se determina un número de mosaicos en la unidad VCL NAL. Un número de desplazamientos de punto de entrada para los mosaicos también se determina como un número menor que el número de mosaicos en la unidad VCL NAL. Cada desplazamiento de punto de entrada indica una ubicación inicial de un mosaico correspondiente en la unidad VCL NAL. El número de desplazamientos de punto de entrada no se señala explícitamente en el flujo de bits. Los desplazamientos de punto de entrada para los mosaicos se obtienen con base en el número de desplazamientos de punto de entrada. Los mosaicos se decodifican en los desplazamientos de punto de entrada para generar una imagen reconstruida.
MX2021003049A 2018-09-14 2019-09-13 Separación en segmentos y separación en mosaicos en codificación de video. MX2021003049A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862731696P 2018-09-14 2018-09-14
PCT/US2019/051147 WO2020056352A1 (en) 2018-09-14 2019-09-13 Slicing and tiling in video coding

Publications (1)

Publication Number Publication Date
MX2021003049A true MX2021003049A (es) 2021-08-11

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MX2021003049A MX2021003049A (es) 2018-09-14 2019-09-13 Separación en segmentos y separación en mosaicos en codificación de video.

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US (6) US11272223B2 (es)
EP (3) EP3850843A4 (es)
JP (2) JP7384902B2 (es)
KR (1) KR20210057148A (es)
CN (8) CN116781935A (es)
MX (1) MX2021003049A (es)
WO (4) WO2020056356A1 (es)

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CN112703736B (zh) 2022-11-25
EP3850852A1 (en) 2021-07-21
CN112703743B (zh) 2022-05-24
CN112703742A (zh) 2021-04-23
JP2024012554A (ja) 2024-01-30
US11272223B2 (en) 2022-03-08
EP3847817A1 (en) 2021-07-14
CN112690004A (zh) 2021-04-20
CN112703742B (zh) 2023-03-31
US20210204000A1 (en) 2021-07-01
EP3850843A4 (en) 2021-11-24
CN116471411A (zh) 2023-07-21
US11968407B2 (en) 2024-04-23
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EP3850843A1 (en) 2021-07-21
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US20230283809A1 (en) 2023-09-07
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US20220159313A1 (en) 2022-05-19
KR20210057148A (ko) 2021-05-20
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