KR102718217B1 - 다중 라인 인트라 예측을 위한 인트라 보간 필터 - Google Patents

다중 라인 인트라 예측을 위한 인트라 보간 필터 Download PDF

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KR102718217B1
KR102718217B1 KR1020237007226A KR20237007226A KR102718217B1 KR 102718217 B1 KR102718217 B1 KR 102718217B1 KR 1020237007226 A KR1020237007226 A KR 1020237007226A KR 20237007226 A KR20237007226 A KR 20237007226A KR 102718217 B1 KR102718217 B1 KR 102718217B1
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reference line
filter
edge
video
intra prediction
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KR20230035453A (ko
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량 자오
신 자오
샹 리
산 류
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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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
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    • G06T5/20—Image enhancement or restoration using local operators
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    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
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    • G06T5/73—Deblurring; Sharpening
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    • 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
    • H04N19/102—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/182—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • G06T2207/20192—Edge enhancement; Edge preservation
    • 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

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  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237007226A 2018-09-10 2019-08-19 다중 라인 인트라 예측을 위한 인트라 보간 필터 Active KR102718217B1 (ko)

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US201862729395P 2018-09-10 2018-09-10
US62/729,395 2018-09-10
US16/202,902 US10834393B2 (en) 2018-09-10 2018-11-28 Intra interpolation filter for multi-line intra prediction
US16/202,902 2018-11-28
KR1020207031582A KR102506416B1 (ko) 2018-09-10 2019-08-19 다중 라인 인트라 예측을 위한 인트라 보간 필터
PCT/US2019/047011 WO2020055545A1 (en) 2018-09-10 2019-08-19 Intra interpolation filter for multi-line intra prediction

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020092535A1 (en) * 2018-10-31 2020-05-07 Interdigital Vc Holdings, Inc. Multi-reference line intra prediction and most probable mode
AU2019381145B2 (en) * 2018-11-14 2022-11-17 Huawei Technologies Co., Ltd. Method and apparatus for intra prediction
US11438583B2 (en) 2018-11-27 2022-09-06 Tencent America LLC Reference sample filter selection in intra prediction
MX2021010874A (es) * 2019-03-12 2021-10-22 Lg Electronics Inc Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits.
JP7358497B2 (ja) * 2019-03-12 2023-10-10 フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン ハイブリッドビデオコード化のためのエンコーダ、デコーダ、方法、およびビデオビットストリーム、ならびにコンピュータプログラム
EP3949424A4 (en) * 2019-04-25 2022-12-21 HFI Innovation Inc. Method and apparatus of encoding or decoding with mode dependent intra smoothing filter in intra prediction
MX2022003998A (es) * 2019-10-04 2022-04-26 Lg Electronics Inc Metodo de codificacion de imagenes a base de transformacion, y aparato para el mismo.
US12137237B2 (en) * 2021-06-10 2024-11-05 Tencent America LLC Zero residual flag coding
KR20230166956A (ko) * 2022-05-30 2023-12-07 주식회사 케이티 영상 부호화/복호화 방법 및 장치
WO2024230472A1 (en) * 2023-05-05 2024-11-14 Mediatek Inc. Methods and apparatus for intra mode fusion in an image and video coding system
WO2024242888A1 (en) * 2023-05-22 2024-11-28 Google Llc Extended intra prediction angles
KR20250005892A (ko) * 2023-07-03 2025-01-10 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체
WO2025225966A1 (ko) * 2024-04-22 2025-10-30 현대자동차주식회사 인트라 예측에서 외삽 필터를 이용하는 비디오 코딩을 위한 방법 및 장치
WO2026010357A1 (ko) * 2024-07-04 2026-01-08 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080123974A1 (en) 2006-11-29 2008-05-29 Arcsoft, Inc. Method of parallelly filtering input data words to obtain final output data words containing packed half-pel pixels
US20170347093A1 (en) 2016-05-25 2017-11-30 Arris Enterprises Llc Coding Weighted Angular Prediction for Intra Coding

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011140303A1 (en) * 2010-05-05 2011-11-10 University Of Maryland, College Park Time domain-based methods for noninvasive brain-machine interfaces
US9008175B2 (en) * 2010-10-01 2015-04-14 Qualcomm Incorporated Intra smoothing filter for video coding
US9420294B2 (en) * 2011-02-23 2016-08-16 Lg Electronics Inc. Intra-prediction method using filtering, and apparatus using the method
US9179148B2 (en) * 2011-06-30 2015-11-03 Futurewei Technologies, Inc. Simplified bilateral intra smoothing filter
US9998763B2 (en) * 2015-03-31 2018-06-12 Nxgen Partners Ip, Llc Compression of signals, images and video for multimedia, communications and other applications
CN108141589B (zh) * 2015-09-29 2021-08-27 Lg 电子株式会社 图像编译系统中对图像进行滤波的方法和装置
CN116962721A (zh) * 2016-05-04 2023-10-27 微软技术许可有限责任公司 利用样本值的非相邻参考线进行帧内图片预测的方法
US10230961B2 (en) * 2016-06-03 2019-03-12 Mediatek Inc. Method and apparatus for template-based intra prediction in image and video coding
US10484712B2 (en) * 2016-06-08 2019-11-19 Qualcomm Incorporated Implicit coding of reference line index used in intra prediction
CN114363628B (zh) * 2016-06-24 2024-06-14 株式会社Kt 图像编码方法、图像解码方法以及装置
JP6669622B2 (ja) 2016-09-21 2020-03-18 Kddi株式会社 動画像復号装置、動画像復号方法、動画像符号化装置、動画像符号化方法及びコンピュータ可読記録媒体
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
US10638126B2 (en) * 2017-05-05 2020-04-28 Qualcomm Incorporated Intra reference filter for video coding
US10742975B2 (en) * 2017-05-09 2020-08-11 Futurewei Technologies, Inc. Intra-prediction with multiple reference lines
US10805641B2 (en) * 2017-06-15 2020-10-13 Qualcomm Incorporated Intra filtering applied together with transform processing in video coding
CN117354501A (zh) * 2017-07-06 2024-01-05 Lx 半导体科技有限公司 图像编码/解码方法、发送方法和数字存储介质
US10965941B2 (en) * 2017-10-09 2021-03-30 Qualcomm Incorporated Position-dependent prediction combinations in video coding
CN116347074A (zh) * 2018-03-09 2023-06-27 韩国电子通信研究院 使用样点滤波的图像编码/解码方法和设备
US11159806B2 (en) * 2018-06-28 2021-10-26 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
TW202015409A (zh) 2018-06-29 2020-04-16 財團法人工業技術研究院 影像資料解碼方法、影像資料解碼器、影像資料編碼方法與影像資料編碼器
JP7601639B2 (ja) * 2018-06-29 2024-12-17 フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 拡張参照画像内予測
US11277644B2 (en) * 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
US11190764B2 (en) * 2018-07-06 2021-11-30 Qualcomm Incorporated Merged mode dependent intra smoothing (MDIS) and intra interpolation filter switching with position dependent intra prediction combination (PDPC)

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080123974A1 (en) 2006-11-29 2008-05-29 Arcsoft, Inc. Method of parallelly filtering input data words to obtain final output data words containing packed half-pel pixels
US20170347093A1 (en) 2016-05-25 2017-11-30 Arris Enterprises Llc Coding Weighted Angular Prediction for Intra Coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Lee J et al: "CE3: Multi-line based intra prediction (Test 5.3.1, 5.3.2, 5.3.3)", no. JVET-K0166, 2018.7.2.

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JP2021521725A (ja) 2021-08-26
JP7807179B2 (ja) 2026-01-27
JP2026063081A (ja) 2026-04-10
JP7260561B2 (ja) 2023-04-18
US10834393B2 (en) 2020-11-10
US20200084443A1 (en) 2020-03-12
US20210021822A1 (en) 2021-01-21
KR20200139763A (ko) 2020-12-14
US20260106978A1 (en) 2026-04-16
CN112385216A (zh) 2021-02-19
US12495142B2 (en) 2025-12-09
JP2023085495A (ja) 2023-06-20
CN112385216B (zh) 2022-07-29
US11743457B2 (en) 2023-08-29
JP2024114867A (ja) 2024-08-23
WO2020055545A1 (en) 2020-03-19
KR20230035453A (ko) 2023-03-13
KR102506416B1 (ko) 2023-03-08
JP7513793B2 (ja) 2024-07-09
EP3769521A4 (en) 2021-01-27
US20230336720A1 (en) 2023-10-19

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