BR112020012101A2 - controle de parâmetro de quantificação para codificação de vídeo com quantificação à base de transformada/pixel conjunta - Google Patents

controle de parâmetro de quantificação para codificação de vídeo com quantificação à base de transformada/pixel conjunta Download PDF

Info

Publication number
BR112020012101A2
BR112020012101A2 BR112020012101-0A BR112020012101A BR112020012101A2 BR 112020012101 A2 BR112020012101 A2 BR 112020012101A2 BR 112020012101 A BR112020012101 A BR 112020012101A BR 112020012101 A2 BR112020012101 A2 BR 112020012101A2
Authority
BR
Brazil
Prior art keywords
hdr
video data
block
dra
wcg video
Prior art date
Application number
BR112020012101-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Dmytro Rusanovskyy
Adarsh Krishnan Ramasubramonian
Marta Karczewicz
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BR112020012101A2 publication Critical patent/BR112020012101A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112020012101-0A 2017-12-19 2018-12-19 controle de parâmetro de quantificação para codificação de vídeo com quantificação à base de transformada/pixel conjunta BR112020012101A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762607887P 2017-12-19 2017-12-19
US62/607,887 2017-12-19
US16/224,320 2018-12-18
US16/224,320 US10681358B2 (en) 2017-12-19 2018-12-18 Quantization parameter control for video coding with joined pixel/transform based quantization
PCT/US2018/066476 WO2019126307A1 (en) 2017-12-19 2018-12-19 Quantization parameter control for video coding with joined pixel/transform based quantization

Publications (1)

Publication Number Publication Date
BR112020012101A2 true BR112020012101A2 (pt) 2020-11-17

Family

ID=66816609

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020012101-0A BR112020012101A2 (pt) 2017-12-19 2018-12-19 controle de parâmetro de quantificação para codificação de vídeo com quantificação à base de transformada/pixel conjunta

Country Status (9)

Country Link
US (2) US10681358B2 (https=)
EP (1) EP3729806A1 (https=)
JP (1) JP7369124B2 (https=)
KR (1) KR20200099535A (https=)
CN (1) CN111480339B (https=)
BR (1) BR112020012101A2 (https=)
SG (1) SG11202004176SA (https=)
TW (1) TWI800580B (https=)
WO (1) WO2019126307A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2975172C (en) * 2015-01-30 2023-04-04 Thomson Licensing A method and apparatus of encoding and decoding a color picture
US10129558B2 (en) * 2015-09-21 2018-11-13 Qualcomm Incorporated Supplement enhancement information (SEI) messages for high dynamic range and wide color gamut video coding
US10244249B2 (en) 2015-09-21 2019-03-26 Qualcomm Incorporated Fixed point implementation of range adjustment of components in video coding
US10681358B2 (en) 2017-12-19 2020-06-09 Qualcomm Incorporated Quantization parameter control for video coding with joined pixel/transform based quantization
CN117176950A (zh) 2018-03-30 2023-12-05 交互数字Vc控股公司 视频编码和解码中的色度量化参数调整
US11750811B2 (en) * 2018-04-06 2023-09-05 Comcast Cable Communications, Llc Systems, methods, and apparatuses for processing video
CN118474354A (zh) * 2019-03-04 2024-08-09 阿里巴巴集团控股有限公司 视频解码方法和装置、处理视频内容的方法和装置及介质
EP4738833A2 (en) * 2019-05-28 2026-05-06 Dolby Laboratories Licensing Corporation Quantization parameter signaling
US12028534B2 (en) * 2019-06-03 2024-07-02 Lg Electronics Inc. Video or image coding based on mapped luma component and scaled chroma component
CN111083475B (zh) * 2019-12-31 2022-04-01 上海富瀚微电子股份有限公司 量化变换系数管理装置及适用于hevc标准的编码器
US11490083B2 (en) * 2020-02-05 2022-11-01 Qualcomm Incorporated Learned low-complexity adaptive quantization for video compression
US11558616B2 (en) 2020-03-05 2023-01-17 Qualcomm Incorporated Methods for quantization parameter control for video coding with joined pixel/transform based quantization
US11375212B2 (en) * 2020-04-18 2022-06-28 Qualcomm Incorporated Flexible chroma processing for dynamic range adjustment
CN113489983B (zh) * 2021-06-11 2024-07-16 浙江智慧视频安防创新中心有限公司 一种基于相关度比较确定分块编码参数的方法及装置
JP7700385B2 (ja) * 2022-01-20 2025-06-30 ドルビー ラボラトリーズ ライセンシング コーポレイション マルチメディア・アプリケーションのためのデータ構造
US20230412806A1 (en) * 2022-06-16 2023-12-21 Nokia Technologies Oy Apparatus, method and computer program product for quantizing neural networks

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120307889A1 (en) * 2011-06-01 2012-12-06 Sharp Laboratories Of America, Inc. Video decoder with dynamic range adjustments
CN102333223A (zh) * 2011-10-25 2012-01-25 北京华兴宏视技术发展有限公司 视频数据编码方法、解码方法、编码系统和解码系统
BR112017004886A2 (pt) * 2014-09-12 2017-12-05 Vid Scale Inc dispositivo de codificação de vídeo e método de codificação de vídeo
US20160309154A1 (en) 2015-04-17 2016-10-20 Qualcomm Incorporated Dynamic range adjustment for high dynamic range and wide color gamut video coding
US10244249B2 (en) * 2015-09-21 2019-03-26 Qualcomm Incorporated Fixed point implementation of range adjustment of components in video coding
US10200701B2 (en) * 2015-10-14 2019-02-05 Qualcomm Incorporated HDR and WCG coding architecture with SDR backwards compatibility in a single bitstream for video coding
KR20180074150A (ko) * 2016-12-23 2018-07-03 삼성전자주식회사 Sao 필터링을 포함하는 비디오 데이터의 부호화를 위한 방법 및 장치
US10778978B2 (en) * 2017-08-21 2020-09-15 Qualcomm Incorporated System and method of cross-component dynamic range adjustment (CC-DRA) in video coding
US10681358B2 (en) 2017-12-19 2020-06-09 Qualcomm Incorporated Quantization parameter control for video coding with joined pixel/transform based quantization

Also Published As

Publication number Publication date
TW201931853A (zh) 2019-08-01
US20200260092A1 (en) 2020-08-13
WO2019126307A1 (en) 2019-06-27
US20190191172A1 (en) 2019-06-20
US11190779B2 (en) 2021-11-30
CN111480339B (zh) 2022-05-24
EP3729806A1 (en) 2020-10-28
TWI800580B (zh) 2023-05-01
JP2021507614A (ja) 2021-02-22
JP7369124B2 (ja) 2023-10-25
KR20200099535A (ko) 2020-08-24
SG11202004176SA (en) 2020-07-29
US10681358B2 (en) 2020-06-09
CN111480339A (zh) 2020-07-31

Similar Documents

Publication Publication Date Title
US11190779B2 (en) Quantization parameter control for video coding with joined pixel/transform based quantization
EP3673652B1 (en) System and method of cross-component dynamic range adjustment (cc-dra) in video coding
TWI801432B (zh) 利用內容適應性空間變化量化之視訊寫碼
US10284863B2 (en) Adaptive constant-luminance approach for high dynamic range and wide color gamut video coding
AU2015328088B2 (en) QP derivation and offset for adaptive color transform in video coding
EP3354024B1 (en) Supplemental enhancement information (sei) messages for high dynamic range and wide color gamut video coding
US20160309154A1 (en) Dynamic range adjustment for high dynamic range and wide color gamut video coding
EP3800885A1 (en) In loop sample processing for high dynamic range and wide color gamut video coding
BR112020013979A2 (pt) Mecanismos de sinalização para faixas iguais e outros parâmetros dra para codificação de vídeo
TWI765903B (zh) 用於循環樣本處理之視訊寫碼工具
KR20190039958A (ko) 피드백 채널에 의한 컬러 영역 적응
US10728559B2 (en) Precision of computation and signaling of dynamic range adjustment and color remapping information
HK40020459A (en) Video coding with content adaptive spatially varying quantization

Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2859 DE 21-10-2025 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.