KR102894905B1 - 시간적 필터링의 단순화 방법들 - Google Patents

시간적 필터링의 단순화 방법들

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Publication number
KR102894905B1
KR102894905B1 KR1020227013647A KR20227013647A KR102894905B1 KR 102894905 B1 KR102894905 B1 KR 102894905B1 KR 1020227013647 A KR1020227013647 A KR 1020227013647A KR 20227013647 A KR20227013647 A KR 20227013647A KR 102894905 B1 KR102894905 B1 KR 102894905B1
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South Korea
Prior art keywords
picture
exponential function
video
current picture
fixed
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KR1020227013647A
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Korean (ko)
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KR20220070476A (ko
Inventor
아니시 마헨드라 탐세
샹 리
산 류
Original Assignee
텐센트 아메리카 엘엘씨
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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or 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
    • H04N19/169—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227013647A 2020-06-03 2021-04-28 시간적 필터링의 단순화 방법들 Active KR102894905B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063034042P 2020-06-03 2020-06-03
US63/034,042 2020-06-03
US17/240,376 2021-04-26
US17/240,376 US11343495B2 (en) 2020-06-03 2021-04-26 Methods of simplification of temporal filtering
PCT/US2021/029603 WO2021247169A1 (en) 2020-06-03 2021-04-28 Methods of simplification of temporal filtering

Publications (2)

Publication Number Publication Date
KR20220070476A KR20220070476A (ko) 2022-05-31
KR102894905B1 true KR102894905B1 (ko) 2025-12-04

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KR1020227013647A Active KR102894905B1 (ko) 2020-06-03 2021-04-28 시간적 필터링의 단순화 방법들

Country Status (6)

Country Link
US (3) US11343495B2 (https=)
EP (1) EP4026251A4 (https=)
JP (1) JP7518167B2 (https=)
KR (1) KR102894905B1 (https=)
CN (2) CN114788182B (https=)
WO (1) WO2021247169A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100027665A1 (en) 2008-08-01 2010-02-04 Zoran Corporation Video encoder with an integrated temporal filter

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US6215908B1 (en) * 1999-02-24 2001-04-10 Intel Corporation Symmetric filtering based VLSI architecture for image compression
US7895250B2 (en) * 2005-05-25 2011-02-22 Qualcomm Incorporated Fixed point integer division techniques for AC/DC prediction in video coding devices
US8483277B2 (en) 2005-07-15 2013-07-09 Utc Fire & Security Americas Corporation, Inc. Method and apparatus for motion compensated temporal filtering using split update process
JP4354520B2 (ja) * 2006-11-30 2009-10-28 パナソニック株式会社 符号化装置
US7957589B2 (en) * 2007-01-25 2011-06-07 Qualcomm Mems Technologies, Inc. Arbitrary power function using logarithm lookup table
WO2010088465A1 (en) 2009-02-02 2010-08-05 Gentex Corporation Improved digital image processing and systems incorporating the same
US8144253B2 (en) * 2009-07-21 2012-03-27 Sharp Laboratories Of America, Inc. Multi-frame approach for image upscaling
US9462163B2 (en) * 2009-10-10 2016-10-04 Ittiam Systems (P) Ltd. Robust spatiotemporal combining system and method for video enhancement
CN103026707B (zh) * 2010-07-21 2016-11-09 杜比实验室特许公司 使用用于视频编码的高级运动模型的参考处理
AU2011308203A1 (en) * 2010-09-28 2013-04-11 Samsung Electronics Co., Ltd. Method and device for the transformation and method and device for the reverse transformation of images
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
US20140052767A1 (en) * 2012-08-15 2014-02-20 Universidade De Santiago De Compostela Apparatus and architecture for general powering computation
US9235392B2 (en) * 2014-01-22 2016-01-12 Nvidia Corporation System, method, and computer program product for improved power efficiency during program code execution
US10742971B2 (en) * 2016-10-05 2020-08-11 Lg Electronics Inc. Inter prediction method and device that performs prediction by applying weights to motion information of a current block
EP3560204A4 (en) 2016-12-23 2019-12-04 Telefonaktiebolaget LM Ericsson (publ) DERINGING FILTER FOR VIDEO CODING

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100027665A1 (en) 2008-08-01 2010-02-04 Zoran Corporation Video encoder with an integrated temporal filter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
P. Wennersten et al: "AHG 10: Encoder-only GOP based temporal filter", JVET-O0549, ver2, 2019.7.1.*

Also Published As

Publication number Publication date
JP2023505652A (ja) 2023-02-10
CN119277090A (zh) 2025-01-07
US20240422313A1 (en) 2024-12-19
CN114788182A (zh) 2022-07-22
CN114788182B (zh) 2024-07-05
US12081746B2 (en) 2024-09-03
JP7518167B2 (ja) 2024-07-17
US11343495B2 (en) 2022-05-24
US20210385444A1 (en) 2021-12-09
EP4026251A4 (en) 2022-11-23
WO2021247169A1 (en) 2021-12-09
US20220132112A1 (en) 2022-04-28
KR20220070476A (ko) 2022-05-31
EP4026251A1 (en) 2022-07-13

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