BR112021021434A2 - Método e aparelho para sinalização de função de mapeamento de parâmetro de quantização de croma - Google Patents
Método e aparelho para sinalização de função de mapeamento de parâmetro de quantização de cromaInfo
- Publication number
- BR112021021434A2 BR112021021434A2 BR112021021434A BR112021021434A BR112021021434A2 BR 112021021434 A2 BR112021021434 A2 BR 112021021434A2 BR 112021021434 A BR112021021434 A BR 112021021434A BR 112021021434 A BR112021021434 A BR 112021021434A BR 112021021434 A2 BR112021021434 A2 BR 112021021434A2
- Authority
- BR
- Brazil
- Prior art keywords
- mapping function
- quantization parameter
- luminance
- chroma quantization
- parameter mapping
- Prior art date
Links
- 238000013507 mapping Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 4
- 238000013139 quantization Methods 0.000 title abstract 3
- 230000011664 signaling Effects 0.000 title abstract 2
Classifications
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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
- H04N19/10—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
- H04N19/102—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
- H04N19/10—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/17—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
- H04N19/184—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
- H04N19/186—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
- H04N19/44—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
- H04N19/70—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Processing Of Color Television Signals (AREA)
- Image Processing (AREA)
- Color Television Systems (AREA)
Abstract
método e aparelho para sinalização de função de mapeamento de parâmetro de quantização de croma. método de obtenção de um parâmetro de quantização de crominância (qp) para componentes de crominância com base em um qp de luminância para componente de luminância, em que o método é realizado por um decodificador, compreendendo analisar um fluxo de bits recebido para obter o qp de luminância e informações de uma função de mapeamento (f) que associa um índice qp (qpi) à qp de crominância (qpc); obter o qpi com base, pelo menos em uma parte, no qp de luminância; obter a função de mapeamento com base nas informações obtidas; e obter um qpc com base na função de mapeamento obtida e no qpi obtido.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962839607P | 2019-04-26 | 2019-04-26 | |
RU2019000444 | 2019-06-21 | ||
US201962871197P | 2019-07-07 | 2019-07-07 | |
US201962872238P | 2019-07-09 | 2019-07-09 | |
PCT/CN2020/086933 WO2020216376A1 (en) | 2019-04-26 | 2020-04-26 | Method and apparatus for signaling of mapping function of chroma quantization parameter |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021021434A2 true BR112021021434A2 (pt) | 2021-12-21 |
Family
ID=72941360
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021021434A BR112021021434A2 (pt) | 2019-04-26 | 2020-04-26 | Método e aparelho para sinalização de função de mapeamento de parâmetro de quantização de croma |
BR112021000379-7A BR112021000379A2 (pt) | 2019-04-26 | 2020-04-26 | Método e aparelho para sinalização de função de mapeamento de parâmetro de quantização de croma |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021000379-7A BR112021000379A2 (pt) | 2019-04-26 | 2020-04-26 | Método e aparelho para sinalização de função de mapeamento de parâmetro de quantização de croma |
Country Status (12)
Country | Link |
---|---|
US (3) | US20220070462A1 (pt) |
EP (3) | EP3939283A4 (pt) |
JP (2) | JP7368496B2 (pt) |
KR (1) | KR20210147063A (pt) |
CN (4) | CN113785577B (pt) |
AU (1) | AU2020260657A1 (pt) |
BR (2) | BR112021021434A2 (pt) |
CA (1) | CA3137206A1 (pt) |
CL (1) | CL2021002776A1 (pt) |
MX (1) | MX2021012861A (pt) |
SG (1) | SG11202111156PA (pt) |
WO (2) | WO2020216375A1 (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115633173A (zh) * | 2019-05-28 | 2023-01-20 | 杜比实验室特许公司 | 用信号发送量化参数 |
CN116800978A (zh) * | 2019-06-11 | 2023-09-22 | Lg电子株式会社 | 图像编码/解码方法、图像数据发送方法和存储介质 |
CN114009024B (zh) | 2019-06-21 | 2024-04-02 | 北京字节跳动网络技术有限公司 | 视频编解码中自适应环内颜色空间变换的选择性启用 |
CN113382254B (zh) * | 2019-06-21 | 2022-05-17 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置、设备及存储介质 |
EP3993417A4 (en) * | 2019-06-28 | 2023-08-02 | Lg Electronics Inc. | IMAGE DECODING METHOD FOR CHROMA QUANTIZATION PARAMETER DATA AND CORRESPONDING DEVICE |
WO2021006559A1 (ko) | 2019-07-05 | 2021-01-14 | 엘지전자 주식회사 | 크로마 성분에 대한 영상 디코딩 방법 및 그 장치 |
CN114128275A (zh) * | 2019-07-12 | 2022-03-01 | 交互数字Vc控股法国有限公司 | 亮度到色度量化参数表信令 |
WO2021091214A1 (ko) * | 2019-11-05 | 2021-05-14 | 엘지전자 주식회사 | 크로마 양자화 파라미터 오프셋 관련 정보를 코딩하는 영상 디코딩 방법 및 그 장치 |
CN115152219A (zh) * | 2019-11-07 | 2022-10-04 | 抖音视界有限公司 | 视频编解码的自适应环内颜色空间变换的量化特性 |
US11803989B2 (en) * | 2020-01-08 | 2023-10-31 | Qualcomm Incorporated | Quantization for geometry-based point cloud compression |
Family Cites Families (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100213018B1 (ko) * | 1994-07-30 | 1999-08-02 | 윤종용 | 동화상 부호화장치 |
US6347116B1 (en) * | 1997-02-14 | 2002-02-12 | At&T Corp. | Non-linear quantizer for video coding |
US7269219B1 (en) * | 1997-02-14 | 2007-09-11 | At&T Corp. | Non-linear quantizer for video coding |
US6639942B1 (en) * | 1999-10-21 | 2003-10-28 | Toshiba America Electronic Components, Inc. | Method and apparatus for estimating and controlling the number of bits |
US7295609B2 (en) * | 2001-11-30 | 2007-11-13 | Sony Corporation | Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information |
JP2007535191A (ja) * | 2004-01-30 | 2007-11-29 | 松下電器産業株式会社 | 画像符号化方法、画像復号化方法、画像符号化装置、画像復号化装置およびプログラム |
KR100763178B1 (ko) * | 2005-03-04 | 2007-10-04 | 삼성전자주식회사 | 색 공간 스케일러블 비디오 코딩 및 디코딩 방법, 이를위한 장치 |
JP2009500941A (ja) * | 2005-07-08 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | 情報を圧縮/圧縮解除するためにビデオ信号のコーディング情報をモデリングする方法 |
EP1911290A4 (en) * | 2005-07-08 | 2010-04-28 | Lg Electronics Inc | METHOD FOR MODELING A VIDEO SIGNAL CODE INFORMATION FOR COMPRESSING / DECOMPRIMING CODING INFORMATION |
US20070147497A1 (en) * | 2005-07-21 | 2007-06-28 | Nokia Corporation | System and method for progressive quantization for scalable image and video coding |
US7894523B2 (en) * | 2005-09-05 | 2011-02-22 | Lg Electronics Inc. | Method for modeling coding information of a video signal for compressing/decompressing coding information |
US7889790B2 (en) * | 2005-12-20 | 2011-02-15 | Sharp Laboratories Of America, Inc. | Method and apparatus for dynamically adjusting quantization offset values |
US8711925B2 (en) * | 2006-05-05 | 2014-04-29 | Microsoft Corporation | Flexible quantization |
EP2128822B1 (en) * | 2008-05-27 | 2012-01-04 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Index-based pixel block processing |
US20110135198A1 (en) * | 2009-12-08 | 2011-06-09 | Xerox Corporation | Chrominance encoding and decoding of a digital image |
US8588536B2 (en) * | 2010-02-22 | 2013-11-19 | Texas Instruments Incorporated | Guaranteed-rate tiled image data compression |
JP5393573B2 (ja) * | 2010-04-08 | 2014-01-22 | 株式会社Nttドコモ | 動画像予測符号化装置、動画像予測復号装置、動画像予測符号化方法、動画像予測復号方法、動画像予測符号化プログラム、及び動画像予測復号プログラム |
KR101566366B1 (ko) * | 2011-03-03 | 2015-11-16 | 한국전자통신연구원 | 색차 성분 양자화 매개 변수 결정 방법 및 이러한 방법을 사용하는 장치 |
KR20130068823A (ko) * | 2011-12-16 | 2013-06-26 | 삼성전자주식회사 | 영상 신호 처리를 위한 방법 및 장치 |
JP5988577B2 (ja) * | 2011-12-28 | 2016-09-07 | キヤノン株式会社 | 画像符号化装置、画像符号化方法及びプログラム |
WO2013109967A1 (en) * | 2012-01-20 | 2013-07-25 | Sony Corporation | Complexity reduction of significance map coding |
GB2501535A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
US9219916B2 (en) * | 2012-06-12 | 2015-12-22 | Dolby Laboratories Licensing Corporation | Joint base layer and enhancement layer quantizer adaptation in EDR video coding |
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 |
GB2512826B (en) | 2013-04-05 | 2017-05-10 | Canon Kk | Method and device for determining the value of a quantization parameter |
JP6226578B2 (ja) * | 2013-06-13 | 2017-11-08 | キヤノン株式会社 | 画像符号化装置、画像符号化方法及びプログラム |
EP2843949B1 (en) * | 2013-06-28 | 2020-04-29 | Velos Media International Limited | Methods and devices for emulating low-fidelity coding in a high-fidelity coder |
US10075735B2 (en) * | 2013-07-14 | 2018-09-11 | Sharp Kabushiki Kaisha | Video parameter set signaling |
US9294766B2 (en) * | 2013-09-09 | 2016-03-22 | Apple Inc. | Chroma quantization in video coding |
US9872040B2 (en) * | 2014-01-02 | 2018-01-16 | Qualcomm Incorporated | Color index coding for palette-based video coding |
US20150195554A1 (en) * | 2014-01-03 | 2015-07-09 | Sharp Laboratories Of America, Inc. | Constraints and enhancements for a scalable video coding system |
EP4087247A1 (en) * | 2014-02-26 | 2022-11-09 | Dolby Laboratories Licensing Corp. | Luminance based coding tools for video compression |
US10136141B2 (en) * | 2014-06-11 | 2018-11-20 | Qualcomm Incorporated | Determining quantization parameter (QP) values and delta QP values for palette coded blocks in video coding |
US9924175B2 (en) * | 2014-06-11 | 2018-03-20 | Qualcomm Incorporated | Determining application of deblocking filtering to palette coded blocks in video coding |
US20150373350A1 (en) * | 2014-06-20 | 2015-12-24 | Qualcomm Incorporated | Temporal motion vector prediction (tmvp) indication in multi-layer codecs |
US20150373327A1 (en) * | 2014-06-20 | 2015-12-24 | Qualcomm Incorporated | Block adaptive color-space conversion coding |
EP3026908A1 (en) * | 2014-11-26 | 2016-06-01 | Thomson Licensing | Method and device for quantizing and de-quantizing a picture using scaling factors for chrominance based on luminance |
WO2016199409A1 (en) * | 2015-06-07 | 2016-12-15 | Sharp Kabushiki Kaisha | Systems and methods for optimizing video coding based on a luminance transfer function or video color component values |
EP3345395A1 (en) * | 2015-09-02 | 2018-07-11 | Thomson Licensing | Method and apparatus for quantization in video encoding and decoding |
US10165275B2 (en) * | 2016-01-26 | 2018-12-25 | Dolby Laboratories Licensing Corporation | Content-adaptive reshaping for high dynamic range images |
GB2552223B (en) * | 2016-07-15 | 2020-01-01 | Gurulogic Microsystems Oy | Encoders, decoders and methods employing quantization |
US10834400B1 (en) * | 2016-08-19 | 2020-11-10 | Fastvdo Llc | Enhancements of the AV1 video codec |
US10477212B2 (en) * | 2016-10-11 | 2019-11-12 | Dolby Laboratories Licensing Corporation | Adaptive chroma quantization in video coding for multiple color imaging formats |
US11019339B2 (en) * | 2017-07-12 | 2021-05-25 | Futurewei Technologies, Inc. | Fractional quantization parameter offset in video compression |
US20200162735A1 (en) * | 2017-07-28 | 2020-05-21 | Sony Semiconductor Solutions Corporation | Image processing apparatus and method |
WO2019031410A1 (ja) * | 2017-08-10 | 2019-02-14 | シャープ株式会社 | 画像フィルタ装置、画像復号装置、および画像符号化装置 |
CN113573057B (zh) * | 2018-02-01 | 2023-07-18 | 寰发股份有限公司 | 具有视频数据自适应量化的视频编码或解码方法和装置 |
US11889070B2 (en) * | 2018-03-23 | 2024-01-30 | Sharp Kabushiki Kaisha | Image filtering apparatus, image decoding apparatus, and image coding apparatus |
EP4283989A1 (en) * | 2018-04-01 | 2023-11-29 | LG Electronics Inc. | An image coding apparatus and method thereof based on a quantization parameter derivation |
KR102030384B1 (ko) * | 2018-06-19 | 2019-11-08 | 광운대학교 산학협력단 | 잔차 계수 부호화/복호화 방법 및 장치 |
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2020
- 2020-04-26 BR BR112021021434A patent/BR112021021434A2/pt unknown
- 2020-04-26 WO PCT/CN2020/086924 patent/WO2020216375A1/en unknown
- 2020-04-26 SG SG11202111156PA patent/SG11202111156PA/en unknown
- 2020-04-26 CN CN202080031573.4A patent/CN113785577B/zh active Active
- 2020-04-26 WO PCT/CN2020/086933 patent/WO2020216376A1/en unknown
- 2020-04-26 CN CN202080030925.4A patent/CN113767629A/zh active Pending
- 2020-04-26 CN CN202310751937.1A patent/CN117714687A/zh active Pending
- 2020-04-26 KR KR1020217036311A patent/KR20210147063A/ko active Search and Examination
- 2020-04-26 JP JP2021563407A patent/JP7368496B2/ja active Active
- 2020-04-26 EP EP20794728.4A patent/EP3939283A4/en active Pending
- 2020-04-26 EP EP24158549.6A patent/EP4346205A3/en active Pending
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- 2020-04-26 BR BR112021000379-7A patent/BR112021000379A2/pt unknown
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2021
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2024
- 2024-02-12 US US18/439,264 patent/US20240205406A1/en active Pending
Also Published As
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EP3939283A1 (en) | 2022-01-19 |
EP3949402A1 (en) | 2022-02-09 |
SG11202111156PA (en) | 2021-11-29 |
WO2020216376A1 (en) | 2020-10-29 |
EP3949402A4 (en) | 2022-06-08 |
BR112021000379A2 (pt) | 2021-04-13 |
AU2020260657A1 (en) | 2021-11-11 |
CN113785577B (zh) | 2023-06-27 |
CN113767629A (zh) | 2021-12-07 |
CN116760984A (zh) | 2023-09-15 |
CN113785577A (zh) | 2021-12-10 |
EP3939283A4 (en) | 2022-05-18 |
MX2021012861A (es) | 2021-12-10 |
EP4346205A2 (en) | 2024-04-03 |
JP7368496B2 (ja) | 2023-10-24 |
CL2021002776A1 (es) | 2022-05-20 |
US20220070462A1 (en) | 2022-03-03 |
CN117714687A (zh) | 2024-03-15 |
KR20210147063A (ko) | 2021-12-06 |
US20220070460A1 (en) | 2022-03-03 |
EP4346205A3 (en) | 2024-04-24 |
US20240205406A1 (en) | 2024-06-20 |
CA3137206A1 (en) | 2020-10-29 |
JP2023179671A (ja) | 2023-12-19 |
WO2020216375A1 (en) | 2020-10-29 |
JP2022530480A (ja) | 2022-06-29 |
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