PL4352964T3 - Optymalizacja funkcji łańcuchowego ponownego kształtowania - Google Patents

Optymalizacja funkcji łańcuchowego ponownego kształtowania

Info

Publication number
PL4352964T3
PL4352964T3 PL22731949.8T PL22731949T PL4352964T3 PL 4352964 T3 PL4352964 T3 PL 4352964T3 PL 22731949 T PL22731949 T PL 22731949T PL 4352964 T3 PL4352964 T3 PL 4352964T3
Authority
PL
Poland
Prior art keywords
chained
function optimization
reshaping function
reshaping
optimization
Prior art date
Application number
PL22731949.8T
Other languages
English (en)
Inventor
Guan-Ming Su
Original Assignee
Dolby Laboratories Licensing Corporation
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 Dolby Laboratories Licensing Corporation filed Critical Dolby Laboratories Licensing Corporation
Publication of PL4352964T3 publication Critical patent/PL4352964T3/pl

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
    • H04N19/134—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
    • 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
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/70—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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • 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
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing

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)
PL22731949.8T 2021-06-08 2022-06-01 Optymalizacja funkcji łańcuchowego ponownego kształtowania PL4352964T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163208190P 2021-06-08 2021-06-08
EP21178180 2021-06-08
PCT/US2022/031767 WO2022260902A1 (en) 2021-06-08 2022-06-01 Chained reshaping function optimization

Publications (1)

Publication Number Publication Date
PL4352964T3 true PL4352964T3 (pl) 2025-04-22

Family

ID=82115636

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22731949.8T PL4352964T3 (pl) 2021-06-08 2022-06-01 Optymalizacja funkcji łańcuchowego ponownego kształtowania

Country Status (7)

Country Link
US (1) US12143593B2 (pl)
EP (1) EP4352964B1 (pl)
JP (1) JP7543577B2 (pl)
ES (1) ES3014895T3 (pl)
HU (1) HUE070652T2 (pl)
PL (1) PL4352964T3 (pl)
WO (1) WO2022260902A1 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024098411A (ja) * 2023-01-10 2024-07-23 キヤノン株式会社 画像処理装置および画像処理方法
WO2024167857A1 (en) * 2023-02-10 2024-08-15 Dolby Laboratories Licensing Corporation Image compression using tensor-product b-spline representation

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI538473B (zh) 2011-03-15 2016-06-11 杜比實驗室特許公司 影像資料轉換的方法與設備
CN107105229B9 (zh) 2011-04-14 2020-03-31 杜比实验室特许公司 图像解码方法、视频解码器和非暂态计算机可读存储介质
KR101844732B1 (ko) 2015-03-20 2018-04-02 돌비 레버러토리즈 라이쎈싱 코오포레이션 신호 재정형 근사화
EP3323243B1 (en) 2015-07-16 2022-01-19 Dolby Laboratories Licensing Corporation Signal reshaping and decoding for hdr signals
JP2018525905A (ja) * 2015-07-22 2018-09-06 アリス エンタープライジズ エルエルシーＡｒｒｉｓ Ｅｎｔｅｒｐｒｉｓｅｓ Ｌｌｃ 高ダイナミックレンジおよび広色域シーケンスを符号化するシステム
JP6320440B2 (ja) 2015-08-04 2018-05-09 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 ハイダイナミックレンジ信号のための信号再構成
US10652588B2 (en) 2015-09-21 2020-05-12 Vid Scale, Inc. Inverse reshaping for high dynamic range video coding
EP3338451A1 (en) * 2015-09-23 2018-06-27 ARRIS Enterprises LLC Single layer high dynamic range coding with standard dynamic range backward compatibility
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
US10032262B2 (en) 2016-02-02 2018-07-24 Dolby Laboratories Licensing Corporation Block-based content-adaptive reshaping for high dynamic range images
EP3433833B1 (en) 2016-03-23 2021-07-07 Dolby Laboratories Licensing Corporation Encoding and decoding reversible production-quality single-layer video signals
GB201611253D0 (en) 2016-06-29 2016-08-10 Dolby Laboratories Licensing Corp Efficient Histogram-based luma look matching
US10264287B2 (en) 2016-10-05 2019-04-16 Dolby Laboratories Licensing Corporation Inverse luma/chroma mappings with histogram transfer and approximation
TWI812874B (zh) 2019-10-01 2023-08-21 美商杜拜研究特許公司 張量乘積之b平滑曲線預測子
JP7391214B2 (ja) 2019-11-27 2023-12-04 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 Ｈｄｒ画像化におけるレート制御認識リシェーピング
US12149753B2 (en) 2020-04-22 2024-11-19 Dolby Laboratories Licensing Corporation Iterative optimization of reshaping functions in single-layer HDR image codec

Also Published As

Publication number Publication date
EP4352964A1 (en) 2024-04-17
US20240267530A1 (en) 2024-08-08
WO2022260902A1 (en) 2022-12-15
JP7543577B2 (ja) 2024-09-02
HUE070652T2 (hu) 2025-06-28
US12143593B2 (en) 2024-11-12
JP2024522166A (ja) 2024-06-11
EP4352964B1 (en) 2025-02-19
ES3014895T3 (en) 2025-04-28
EP4352964C0 (en) 2025-02-19

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