GB2630867A - Automatic luminance adjustment for HDR video coding - Google Patents

Automatic luminance adjustment for HDR video coding Download PDF

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Publication number
GB2630867A
GB2630867A GB2412516.3A GB202412516A GB2630867A GB 2630867 A GB2630867 A GB 2630867A GB 202412516 A GB202412516 A GB 202412516A GB 2630867 A GB2630867 A GB 2630867A
Authority
GB
United Kingdom
Prior art keywords
grading
neural network
processing circuit
network processing
luminance
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
GB2412516.3A
Other languages
English (en)
Other versions
GB202412516D0 (en
Inventor
Varekamp Christiaan
NIJLAND Rutger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of GB202412516D0 publication Critical patent/GB202412516D0/en
Publication of GB2630867A publication Critical patent/GB2630867A/en
Pending legal-status Critical Current

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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/60—Image enhancement or restoration using machine learning, e.g. neural networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/60—Extraction of image or video features relating to illumination properties, e.g. using a reflectance or lighting model
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output 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
    • H04N19/90—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
    • G06T2207/20081—Training; Learning
    • 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
    • G06T2207/20084—Artificial neural networks [ANN]
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Image Processing (AREA)
GB2412516.3A 2022-01-27 2023-01-13 Automatic luminance adjustment for HDR video coding Pending GB2630867A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22153613.9A EP4220539A1 (en) 2022-01-27 2022-01-27 Automatic luminance adjustment for hdr video coding
PCT/EP2023/050676 WO2023143927A1 (en) 2022-01-27 2023-01-13 Automatic luminance adjustment for hdr video coding

Publications (2)

Publication Number Publication Date
GB202412516D0 GB202412516D0 (en) 2024-10-09
GB2630867A true GB2630867A (en) 2024-12-11

Family

ID=80121630

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2412516.3A Pending GB2630867A (en) 2022-01-27 2023-01-13 Automatic luminance adjustment for HDR video coding

Country Status (7)

Country Link
US (1) US20250117903A1 (https=)
EP (1) EP4220539A1 (https=)
JP (1) JP2025504906A (https=)
CN (1) CN118633102A (https=)
DE (1) DE112023000695T5 (https=)
GB (1) GB2630867A (https=)
WO (1) WO2023143927A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4633151A1 (en) * 2024-04-09 2025-10-15 InterDigital CE Patent Holdings, SAS Neural network post filter for energy-recovery
US12593084B2 (en) * 2024-04-22 2026-03-31 Varjo Technologies Oy Video streaming system and video streaming method
WO2026041225A1 (en) * 2024-08-20 2026-02-26 Huawei Technologies Co., Ltd. Mapping a high dynamic range image to a lower dynamic range image

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160100183A1 (en) * 2013-06-20 2016-04-07 Sony Corporation Reproduction device, reproduction method, and recording medium
US20200211503A1 (en) * 2018-12-27 2020-07-02 Lg Electronics Inc. Image display apparatus
EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2907057B2 (ja) * 1995-04-20 1999-06-21 日本電気株式会社 輝度自動調整装置
CA3114379C (en) 2011-12-06 2023-06-27 Dolby Laboratories Licensing Corporation Device and method of improving the perceptual luminance nonlinearity - based image data exchange across different display capabilities
CN107258078B (zh) 2015-01-30 2019-09-24 皇家飞利浦有限公司 简单但通用的动态范围编码
US10863201B2 (en) 2015-12-21 2020-12-08 Koninklijke Philips N.V. Optimizing high dynamic range images for particular displays

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160100183A1 (en) * 2013-06-20 2016-04-07 Sony Corporation Reproduction device, reproduction method, and recording medium
US20200211503A1 (en) * 2018-12-27 2020-07-02 Lg Electronics Inc. Image display apparatus
EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Learning Preferential Perceptual Exposure for HDR Displays 2019-04-19 (2019-04-03)PG- 36800 - 36809DT- Journal ArticleBashford-Rogers Thomas;et al *

Also Published As

Publication number Publication date
DE112023000695T5 (de) 2024-11-07
WO2023143927A1 (en) 2023-08-03
US20250117903A1 (en) 2025-04-10
CN118633102A (zh) 2024-09-10
GB202412516D0 (en) 2024-10-09
EP4220539A1 (en) 2023-08-02
JP2025504906A (ja) 2025-02-19

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