BR112021017506A2 - Sinalização de parâmetros de quantização - Google Patents
Sinalização de parâmetros de quantizaçãoInfo
- Publication number
- BR112021017506A2 BR112021017506A2 BR112021017506A BR112021017506A BR112021017506A2 BR 112021017506 A2 BR112021017506 A2 BR 112021017506A2 BR 112021017506 A BR112021017506 A BR 112021017506A BR 112021017506 A BR112021017506 A BR 112021017506A BR 112021017506 A2 BR112021017506 A2 BR 112021017506A2
- Authority
- BR
- Brazil
- Prior art keywords
- approach
- quantization parameter
- signaling
- qpc
- luma
- Prior art date
Links
- 238000013139 quantization Methods 0.000 title abstract 4
- 230000011664 signaling Effects 0.000 title abstract 3
- 238000013459 approach Methods 0.000 abstract 4
- 241000023320 Luma <angiosperm> Species 0.000 abstract 2
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 abstract 2
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
- H04N19/70—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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/90—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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
Abstract
sinalização de parâmetros de quantização. um mecanismo para sinalizar parâmetros de quantização para conteúdos tanto sdr quanto hdr na codificação de vídeos é descrito usando duas abordagens. a primeira abordagem consiste em enviar a tabela de qpc definida pelo usuário diretamente em sintaxe de alto nível. isso leva a um controle de qp mais flexível e eficiente para o futuro desenvolvimento de codecs e para a codificação de conteúdos de vídeo. a segunda abordagem consiste em sinalizar qps luma e croma independentemente. essa abordagem elimina a necessidade de tabelas de qpc e remove a dependência do parâmetro de quantização croma sobre o qp luma.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962853352P | 2019-05-28 | 2019-05-28 | |
PCT/US2020/034758 WO2020243206A1 (en) | 2019-05-28 | 2020-05-27 | Quantization parameter signaling |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021017506A2 true BR112021017506A2 (pt) | 2021-11-16 |
Family
ID=71083786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021017506A BR112021017506A2 (pt) | 2019-05-28 | 2020-05-27 | Sinalização de parâmetros de quantização |
Country Status (9)
Country | Link |
---|---|
US (2) | US11856232B2 (pt) |
EP (2) | EP3900339B1 (pt) |
JP (3) | JP7128364B2 (pt) |
KR (2) | KR20220066437A (pt) |
CN (6) | CN114745544B (pt) |
AU (4) | AU2020283560B2 (pt) |
BR (1) | BR112021017506A2 (pt) |
MX (1) | MX2021010563A (pt) |
WO (1) | WO2020243206A1 (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9112526B2 (en) * | 2011-06-15 | 2015-08-18 | Sony Corporation | Binarization of DQP using separate absolute value and sign (SAVS) in CABAC |
MX2021015275A (es) * | 2019-06-11 | 2022-01-18 | Lg Electronics Inc | Metodo de decodificacion de imagenes para componente de croma y dispositivo para el mismo. |
KR20240027876A (ko) * | 2019-06-28 | 2024-03-04 | 엘지전자 주식회사 | 크로마 양자화 파라미터 데이터에 대한 영상 디코딩 방법 및 그 장치 |
KR102641457B1 (ko) * | 2019-07-05 | 2024-02-28 | 엘지전자 주식회사 | 크로마 성분에 대한 영상 디코딩 방법 및 그 장치 |
US11979572B2 (en) * | 2020-06-22 | 2024-05-07 | Apple Inc. | Adaptive quantizer design for video coding |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9405914D0 (en) | 1994-03-24 | 1994-05-11 | Discovision Ass | Video decompression |
ES2334934T3 (es) * | 2002-09-04 | 2010-03-17 | Microsoft Corporation | Codificacion de entropia por adaptacion de codificacion entre modalidades de nivel y de longitud de sucesion y nivel. |
GB0413956D0 (en) * | 2004-06-22 | 2004-07-28 | Ici Plc | A colour display system |
US7373009B2 (en) | 2005-02-09 | 2008-05-13 | Lsi Corporation | Method and apparatus for efficient transmission and decoding of quantization matrices |
US8189676B2 (en) | 2007-04-05 | 2012-05-29 | Hong Kong University Of Science & Technology | Advance macro-block entropy coding for advanced video standards |
BRPI0818444A2 (pt) | 2007-10-12 | 2016-10-11 | Qualcomm Inc | codificação adaptativa de informação de cabeçalho de bloco de vídeo |
US8897359B2 (en) | 2008-06-03 | 2014-11-25 | Microsoft Corporation | Adaptive quantization for enhancement layer video coding |
KR101841783B1 (ko) | 2009-12-04 | 2018-03-23 | 톰슨 라이센싱 | 비디오 인코딩 및 디코딩에서 인터 프레임을 위한 개선된 색차 변환을 위한 방법 및 장치 |
US9172963B2 (en) * | 2010-11-01 | 2015-10-27 | Qualcomm Incorporated | Joint coding of syntax elements for video coding |
US9363509B2 (en) | 2011-03-03 | 2016-06-07 | Electronics And Telecommunications Research Institute | Method for determining color difference component quantization parameter and device using the method |
US9807397B2 (en) * | 2011-04-11 | 2017-10-31 | Sharp Laboratories Of America, Inc. | System for power allocation |
US8737464B1 (en) | 2011-07-21 | 2014-05-27 | Cisco Technology, Inc. | Adaptive quantization for perceptual video coding |
CN111683255B (zh) * | 2012-01-20 | 2022-08-02 | 索尼公司 | 有效度图编码的复杂度降低 |
CN106331713B (zh) * | 2012-01-20 | 2019-09-10 | 维洛媒体国际有限公司 | 编码装置和编码方法 |
US9451258B2 (en) * | 2012-04-03 | 2016-09-20 | Qualcomm Incorporated | Chroma slice-level QP offset and deblocking |
US9414054B2 (en) * | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
US9591302B2 (en) | 2012-07-02 | 2017-03-07 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
GB2506852B (en) | 2012-09-28 | 2015-09-30 | Canon Kk | Method and device for determining the value of a quantization parameter |
TWI610574B (zh) * | 2012-09-29 | 2018-01-01 | 微軟技術授權有限責任公司 | 於解塊中色度量化參數偏移之使用 |
GB2512826B (en) | 2013-04-05 | 2017-05-10 | Canon Kk | Method and device for determining the value of a quantization parameter |
US9510002B2 (en) * | 2013-09-09 | 2016-11-29 | Apple Inc. | Chroma quantization in video coding |
US9445111B2 (en) * | 2014-01-08 | 2016-09-13 | Sony Corporation | Image processing apparatus and image processing method |
AU2014385774B2 (en) | 2014-03-04 | 2019-01-17 | Microsoft Technology Licensing, Llc | Adaptive switching of color spaces, color sampling rates and/or bit depths |
US10142642B2 (en) | 2014-06-04 | 2018-11-27 | Qualcomm Incorporated | Block adaptive color-space conversion coding |
CN104023236B (zh) * | 2014-06-13 | 2019-07-23 | 深圳市梦网百科信息技术有限公司 | 一种色度均衡量化参数调整方法及系统 |
US20150373327A1 (en) | 2014-06-20 | 2015-12-24 | Qualcomm Incorporated | Block adaptive color-space conversion coding |
CN107431819B (zh) * | 2014-12-31 | 2022-02-01 | 诺基亚技术有限公司 | 用于视频解码的方法、装置、计算机可读存储介质及视频解码器 |
WO2016115981A1 (en) * | 2015-01-22 | 2016-07-28 | Mediatek Singapore Pte. Ltd. | Method of video coding for chroma components |
WO2016140954A1 (en) | 2015-03-02 | 2016-09-09 | Dolby Laboratories Licensing Corporation | Content-adaptive perceptual quantizer for high dynamic range images |
EP3354019A4 (en) | 2015-09-23 | 2019-05-22 | Telefonaktiebolaget LM Ericsson (publ) | DETERMINATION OF QUANTIZATION PARAMETER VALUES |
US10567759B2 (en) | 2016-03-21 | 2020-02-18 | Qualcomm Incorporated | Using luma information for chroma prediction with separate luma-chroma framework in video coding |
CN113411576B (zh) | 2016-07-22 | 2024-01-12 | 夏普株式会社 | 使用自适应分量缩放对视频数据进行编码的系统和方法 |
US10200698B2 (en) | 2016-08-09 | 2019-02-05 | Intel Corporation | Determining chroma quantization parameters for video coding |
US10477212B2 (en) | 2016-10-11 | 2019-11-12 | Dolby Laboratories Licensing Corporation | Adaptive chroma quantization in video coding for multiple color imaging formats |
CN110612724B (zh) * | 2017-03-21 | 2021-04-20 | 杜比实验室特许公司 | 使用明亮度信息的量化参数预测 |
US10779007B2 (en) | 2017-03-23 | 2020-09-15 | Mediatek Inc. | Transform coding of video data |
RU2759218C2 (ru) | 2017-06-21 | 2021-11-11 | Вид Скейл, Инк. | Адаптивное квантование для кодирования 360-градусного видео |
US10812798B2 (en) | 2017-10-19 | 2020-10-20 | Qualcomm Incorporated | Chroma quantization parameter (QP) offset |
WO2019148977A1 (en) * | 2018-02-01 | 2019-08-08 | Mediatek Inc. | Methods and apparatuses of video encoding or decoding with adaptive quantization of video data |
EP3949402A4 (en) * | 2019-04-26 | 2022-06-08 | Huawei Technologies Co., Ltd. | METHOD AND DEVICE FOR SIGNALING THE MAPPING FUNCTION OF A CHROMA QUANTIZATION PARAMETER |
-
2020
- 2020-05-27 CN CN202210381400.6A patent/CN114745544B/zh active Active
- 2020-05-27 MX MX2021010563A patent/MX2021010563A/es unknown
- 2020-05-27 CN CN202211307423.9A patent/CN115633173A/zh active Pending
- 2020-05-27 CN CN202080024237.7A patent/CN113632473B/zh active Active
- 2020-05-27 US US17/613,801 patent/US11856232B2/en active Active
- 2020-05-27 CN CN202211301875.6A patent/CN115623210A/zh active Pending
- 2020-05-27 EP EP20732447.6A patent/EP3900339B1/en active Active
- 2020-05-27 WO PCT/US2020/034758 patent/WO2020243206A1/en active Application Filing
- 2020-05-27 EP EP22192415.2A patent/EP4113998A1/en active Pending
- 2020-05-27 KR KR1020227016098A patent/KR20220066437A/ko active Application Filing
- 2020-05-27 CN CN202211301690.5A patent/CN115623208A/zh active Pending
- 2020-05-27 KR KR1020217029403A patent/KR102399065B1/ko active IP Right Grant
- 2020-05-27 JP JP2021551963A patent/JP7128364B2/ja active Active
- 2020-05-27 AU AU2020283560A patent/AU2020283560B2/en active Active
- 2020-05-27 BR BR112021017506A patent/BR112021017506A2/pt unknown
- 2020-05-27 CN CN202211301832.8A patent/CN115623209A/zh active Pending
-
2022
- 2022-03-07 AU AU2022201569A patent/AU2022201569A1/en not_active Abandoned
- 2022-07-12 JP JP2022111987A patent/JP7362847B2/ja active Active
-
2023
- 2023-10-04 JP JP2023172850A patent/JP2023175919A/ja active Pending
- 2023-11-10 US US18/506,828 patent/US20240080489A1/en active Pending
-
2024
- 2024-04-17 AU AU2024202536A patent/AU2024202536A1/en active Pending
- 2024-05-10 AU AU2024203122A patent/AU2024203122A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
AU2022201569A1 (en) | 2022-03-31 |
CN115633173A (zh) | 2023-01-20 |
JP7128364B2 (ja) | 2022-08-30 |
CN114745544A (zh) | 2022-07-12 |
WO2020243206A1 (en) | 2020-12-03 |
CN113632473B (zh) | 2022-11-15 |
US20220279210A1 (en) | 2022-09-01 |
CN115623210A (zh) | 2023-01-17 |
CN115623209A (zh) | 2023-01-17 |
CN115623208A (zh) | 2023-01-17 |
EP3900339A1 (en) | 2021-10-27 |
CN114745544B (zh) | 2024-05-28 |
CN113632473A (zh) | 2021-11-09 |
AU2024203122A1 (en) | 2024-05-30 |
MX2021010563A (es) | 2021-11-12 |
KR20220066437A (ko) | 2022-05-24 |
JP2022137195A (ja) | 2022-09-21 |
JP2023175919A (ja) | 2023-12-12 |
US11856232B2 (en) | 2023-12-26 |
JP7362847B2 (ja) | 2023-10-17 |
EP3900339B1 (en) | 2022-10-12 |
KR20210120109A (ko) | 2021-10-06 |
JP2022527435A (ja) | 2022-06-02 |
EP4113998A1 (en) | 2023-01-04 |
AU2024202536A1 (en) | 2024-05-09 |
AU2020283560A1 (en) | 2021-09-30 |
KR102399065B1 (ko) | 2022-05-17 |
US20240080489A1 (en) | 2024-03-07 |
AU2020283560B2 (en) | 2021-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112021017506A2 (pt) | Sinalização de parâmetros de quantização | |
CL2021003512A1 (es) | Reconfiguración de imágenes en codificación de video usando la optimización de tasa-distorsión. (divisional de la solicitud 202002090) | |
US20200267398A1 (en) | Signaling for addition or removal of layers in video coding | |
MX2022004141A (es) | Evitación de señalización redundante en flujos de bits de video multicapa. | |
BR112021025361A2 (pt) | Tabelas de mapeamento de parâmetros de quantização (qp) de croma de sinalização | |
BR112015025639A8 (pt) | alinhamento poc de camada cruzada para fluxos de bits de várias camadas que podem incluir imagens irap não alinhadas | |
BR122020015314A8 (pt) | Aparelho para decodificar dados de vídeo | |
MX2022003453A (es) | Parametros hrd para capas. | |
BRPI0501305A (pt) | Transcodificação de alta fidelidade | |
BR112013031197A2 (pt) | sinalização de modo de intra-predição melhorada para codificação de vídeo utilizando modo de vizinhos | |
MX2021012861A (es) | Metodo y aparato para se?alizacion de funcion de mapeo de parametro de cuantificacion de croma. | |
BR112021026353A2 (pt) | Decodificador de referência hipotético para v-pcc | |
ES2967911T3 (es) | Codificación de vídeo entrelazado con imágenes principales | |
MX2021016150A (es) | Codificación de señalización de bloques omitidos por transformación. | |
BR112021025719A2 (pt) | Parâmetro de quantização de delta de croma em codificação de vídeo | |
BR112022005603A2 (pt) | Informação de temporização de imagem e unidade de decodificação para escalabilidade temporal | |
BR112022005586A2 (pt) | Camadas de difusão simultânea para múltiplas vistas em codificação de vídeo | |
BR112022005471A2 (pt) | Ols para escalabilidade espacial e snr | |
BR112022005444A2 (pt) | Desabilitação de camadas desnecessárias em sequências de bits de vídeo de múltiplas camadas | |
EA202191811A1 (ru) | Кодирование видео и декодирование видео | |
BR112021012679A2 (pt) | Codificador de vídeo, decodificador de vídeo e métodos correspondentes | |
BR112022024060A2 (pt) | Restrições gerais de elementos de sintaxe para codificação de vídeo | |
BR112022006694A2 (pt) | Codificador, decodificador e métodos correspondentes para simplificar sinalização de cabeçalho de imagem | |
GB202004095D0 (en) | High level syntax for video coding and decoding | |
GB202004099D0 (en) | High level syntax for video coding and decoding |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B154 | Notification of filing of divisional application [chapter 15.50 patent gazette] |
Free format text: O PEDIDO FOI DIVIDIDO NO BR122023007519-6 PROTOCOLO 870230033231 EM 20/04/2023 15:38. |
|
B154 | Notification of filing of divisional application [chapter 15.50 patent gazette] |
Free format text: O PEDIDO FOI DIVIDIDO NO BR122023009167-1 PROTOCOLO 870230039956 EM 12/05/2023 15:40. |