MX2020013802A - Metodo y aparato para codificar/decodificar imagenes usando parametros de cuantificacion, y medio de grabacion que almacena flujo de bits. - Google Patents

Metodo y aparato para codificar/decodificar imagenes usando parametros de cuantificacion, y medio de grabacion que almacena flujo de bits.

Info

Publication number
MX2020013802A
MX2020013802A MX2020013802A MX2020013802A MX2020013802A MX 2020013802 A MX2020013802 A MX 2020013802A MX 2020013802 A MX2020013802 A MX 2020013802A MX 2020013802 A MX2020013802 A MX 2020013802A MX 2020013802 A MX2020013802 A MX 2020013802A
Authority
MX
Mexico
Prior art keywords
quantization parameter
encoding
recording medium
medium storing
decoding image
Prior art date
Application number
MX2020013802A
Other languages
English (en)
Inventor
Jin Ho Lee
Sung Chang Lim
Jung Won Kang
Ha Hyun Lee
Hui Yong Kim
Yung Lyul Lee
Myung Jun Kim
Nam Uk Kim
Ji Youn Jung
Yang Woo Kim
Jae Gon Kim
Original Assignee
Electronics & Telecommunications Res Inst
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 Electronics & Telecommunications Res Inst filed Critical Electronics & Telecommunications Res Inst
Publication of MX2020013802A publication Critical patent/MX2020013802A/es

Links

Classifications

    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/10—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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Se provee un método y un aparato de codificación/decodificación de imágenes. El método de decodificación de imágenes comprende decodificar información de tamaño de un grupo de cuantificación a partir de un flujo de bits, adquirir un parámetro de cuantificación delta de un bloque actual sobre la base de la información de tamaño del grupo de cuantificación, y derivar un parámetro de cuantificación para el bloque actual sobre la base del parámetro de cuantificación delta.
MX2020013802A 2018-06-25 2019-06-25 Metodo y aparato para codificar/decodificar imagenes usando parametros de cuantificacion, y medio de grabacion que almacena flujo de bits. MX2020013802A (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20180072999 2018-06-25
KR20180133494 2018-11-02
KR20180161324 2018-12-13
KR20190026208 2019-03-07
PCT/KR2019/007675 WO2020004912A1 (ko) 2018-06-25 2019-06-25 양자화 파라미터를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Publications (1)

Publication Number Publication Date
MX2020013802A true MX2020013802A (es) 2021-05-27

Family

ID=68987392

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020013802A MX2020013802A (es) 2018-06-25 2019-06-25 Metodo y aparato para codificar/decodificar imagenes usando parametros de cuantificacion, y medio de grabacion que almacena flujo de bits.

Country Status (5)

Country Link
US (1) US11277612B2 (es)
KR (1) KR20200000828A (es)
CN (1) CN112335242A (es)
MX (1) MX2020013802A (es)
WO (1) WO2020004912A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2578769B (en) 2018-11-07 2022-07-20 Advanced Risc Mach Ltd Data processing systems
CN115714861A (zh) * 2018-12-16 2023-02-24 华为技术有限公司 视频译码器及相应方法
CN117793346A (zh) * 2019-01-31 2024-03-29 北京字节跳动网络技术有限公司 视频编解码中的细化量化步骤
GB2583061B (en) * 2019-02-12 2023-03-15 Advanced Risc Mach Ltd Data processing systems
WO2020190113A1 (ko) * 2019-03-21 2020-09-24 삼성전자주식회사 블록 형태별로 블록 크기가 설정되는 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
WO2020231228A1 (ko) * 2019-05-15 2020-11-19 현대자동차주식회사 영상 복호화 장치에서 이용하는 역양자화장치 및 방법
WO2021037004A1 (en) 2019-08-23 2021-03-04 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for performing chroma deblocking for blocks which use joint chroma coding
CN114598873B (zh) * 2020-12-03 2023-06-20 华为技术有限公司 量化参数的解码方法和装置
CN115474046A (zh) * 2021-06-11 2022-12-13 维沃移动通信有限公司 点云属性信息编码方法、解码方法、装置及相关设备
CN116095335A (zh) * 2022-01-21 2023-05-09 杭州海康威视数字技术股份有限公司 一种视频解码方法、装置及存储介质
WO2023220969A1 (zh) * 2022-05-18 2023-11-23 Oppo广东移动通信有限公司 视频编解码方法、装置、设备、系统及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6711211B1 (en) 2000-05-08 2004-03-23 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
KR101522850B1 (ko) * 2010-01-14 2015-05-26 삼성전자주식회사 움직임 벡터를 부호화, 복호화하는 방법 및 장치
CN106454370B (zh) * 2010-04-13 2019-11-01 Ge视频压缩有限责任公司 解码器、重建数组的方法、编码器、编码方法及数据流
CN105704490B (zh) 2010-04-16 2018-07-31 Sk电信有限公司 视频编码设备
KR20120016980A (ko) 2010-08-17 2012-02-27 한국전자통신연구원 영상 부호화 방법 및 장치, 그리고 복호화 방법 및 장치
KR102005468B1 (ko) 2011-10-24 2019-10-01 (주)대가람 복원 블록을 생성하는 방법 및 장치
US10448056B2 (en) * 2016-07-15 2019-10-15 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
WO2018018486A1 (en) * 2016-07-28 2018-02-01 Mediatek Inc. Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure

Also Published As

Publication number Publication date
US20220150500A1 (en) 2022-05-12
US11277612B2 (en) 2022-03-15
WO2020004912A1 (ko) 2020-01-02
KR20200000828A (ko) 2020-01-03
CN112335242A (zh) 2021-02-05
US20210227221A1 (en) 2021-07-22

Similar Documents

Publication Publication Date Title
MX2020013802A (es) Metodo y aparato para codificar/decodificar imagenes usando parametros de cuantificacion, y medio de grabacion que almacena flujo de bits.
MX2021008449A (es) Metodo y dispositivo de codificacion de imagen usando bandera de salto de transformacion.
WO2018097693A3 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP4351139A3 (en) Video encoding/decoding method and device, and recording medium storing bit stream
EP3855740A4 (en) METHOD AND APPARATUS FOR CODING/DECODING IMAGES, AND RECORDING MEDIA STORING A BITSTREAM
WO2018097691A3 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP3817381A4 (en) IMAGE DECODING/CODING APPARATUS AND METHOD FOR PROCESSING THROUGHPUT IMPROVEMENT, AND RECORDING MEDIA STORAGE OF A BITSTREAM
WO2020141813A3 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
MX2021005493A (es) Metodo para codificar el coeficiente de transformacion con base en la puesta a cero de frecuencia alta y aparato del mismo.
MX2023012285A (es) Metodo y aparato de decodificacion de video y metodo y aparato de codificacion de video.
MX2021003245A (es) Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo.
PH12021551032A1 (en) Video signal encoding and decoding method, and apparatus therefor
MX2021000650A (es) Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado.
PH12021551031A1 (en) Method for encoding/decoding image signal and device therefor
EP3937500A4 (en) METHOD AND DEVICE FOR ENCODING/DECODING IMAGES AND AND RECORDING MEDIUM WITH RECORDED BITSTREAM
MX2021002815A (es) Metodo de codificacion residual y dispositivo para lo mismo.
PL3723373T3 (pl) Sposób dekodowania sygnału obrazu, sposób kodowania sygnału obrazu i nośnik danych
EP4262212A3 (en) Image decoding and encoding method by an apparatus based on motion prediction in sub-block unit in image coding system
MX2021001302A (es) Metodo y dispositivo de codificacion/decodificacion de imagen, y flujo de bits de almacenamiento de medio de grabacion.
MX2022002086A (es) Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma.
PH12020500550A1 (en) Encoding method apparatus therefor, and decoding method and apparatus therefor
MX2022010359A (es) Metodo y aparato de codificacion/decodificacion de imagenes a base de inter-prediccion, y medio de grabacion que almacena flujo de bits.
EP4068783A4 (en) METHOD AND DEVICE FOR CODING/DECODING IMAGES AND RECORDING MEDIUM WITH RECORDED BIT STREAM
MX2021001970A (es) Métodos, aparatos y sistemas para generación, transporte y procesamiento de tramas de ejecución inmediata (ipfs).
MX2021007632A (es) Metodo para codificar imagen a base de intra prediccion usando la lista del modo mas probable (mpm) y aparato para el mismo.