WO2014088306A3 - 비디오 부호화 및 복호화 방법, 그를 이용한 장치 - Google Patents

비디오 부호화 및 복호화 방법, 그를 이용한 장치 Download PDF

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WO2014088306A3
WO2014088306A3 PCT/KR2013/011143 KR2013011143W WO2014088306A3 WO 2014088306 A3 WO2014088306 A3 WO 2014088306A3 KR 2013011143 W KR2013011143 W KR 2013011143W WO 2014088306 A3 WO2014088306 A3 WO 2014088306A3
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layer
enhancement layer
video encoding
motion vector
differential coefficient
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PCT/KR2013/011143
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English (en)
French (fr)
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WO2014088306A2 (ko
Inventor
심동규
조현호
유성은
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인텔렉추얼 디스커버리 주식회사
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Priority to KR1020207028224A priority Critical patent/KR102345770B1/ko
Priority to KR1020157008819A priority patent/KR102163477B1/ko
Priority to KR1020217042788A priority patent/KR102550743B1/ko
Priority to US14/648,077 priority patent/US20150312579A1/en
Publication of WO2014088306A2 publication Critical patent/WO2014088306A2/ko
Publication of WO2014088306A3 publication Critical patent/WO2014088306A3/ko

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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
    • H04N19/169—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
    • H04N19/187—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 scalable video layer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • 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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/176—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
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    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

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  • 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)

Abstract

본 발명은 SVC 복호화기에서 향상 계층에서 참조 계층의 복원 영상을 참조함에 있어 업 샘플링 및 보간 필터링에 과정에서 화소 값의 클립핑을 최소함으로써 화질 열화를 최소화한다. 또한, GRP 과정에서 향상 계층의 모션 벡터를 사용하여 참조 계층의 차분 계수를 유도할 때 향상 계층의 움직임 벡터를 정수 화소 위치로 조정하여 제한시킴으로써 참조 계층의 영상에 추가적인 보간을 수행하지 않고도 차분 계수를 생성할 수 있도록 한다.
PCT/KR2013/011143 2012-12-04 2013-12-04 비디오 부호화 및 복호화 방법, 그를 이용한 장치 WO2014088306A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020207028224A KR102345770B1 (ko) 2012-12-04 2013-12-04 비디오 부호화 및 복호화 방법, 그를 이용한 장치
KR1020157008819A KR102163477B1 (ko) 2012-12-04 2013-12-04 비디오 부호화 및 복호화 방법, 그를 이용한 장치
KR1020217042788A KR102550743B1 (ko) 2012-12-04 2013-12-04 비디오 부호화 및 복호화 방법, 그를 이용한 장치
US14/648,077 US20150312579A1 (en) 2012-12-04 2013-12-04 Video encoding and decoding method and device using said method

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
KR10-2012-0139405 2012-12-04
KR20120139405 2012-12-04
KR20130045302 2013-04-24
KR20130045297 2013-04-24
KR20130045307 2013-04-24
KR10-2013-0045307 2013-04-24
KR10-2013-0045297 2013-04-24
KR10-2013-0045302 2013-04-24

Publications (2)

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WO2014088306A2 WO2014088306A2 (ko) 2014-06-12
WO2014088306A3 true WO2014088306A3 (ko) 2014-10-23

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US (1) US20150312579A1 (ko)
KR (3) KR102550743B1 (ko)
WO (1) WO2014088306A2 (ko)

Families Citing this family (5)

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WO2015047162A1 (en) * 2013-09-26 2015-04-02 Telefonaktiebolaget L M Ericsson (Publ) Hybrid codec scalable video
EP3301925A1 (en) * 2016-09-30 2018-04-04 Thomson Licensing Method for local inter-layer prediction intra based
KR102393736B1 (ko) * 2017-04-04 2022-05-04 한국전자통신연구원 영상 부호화 및 복호화 장치
US20210192019A1 (en) * 2019-12-18 2021-06-24 Booz Allen Hamilton Inc. System and method for digital steganography purification
US20230177649A1 (en) * 2021-12-03 2023-06-08 Nvidia Corporation Temporal image blending using one or more neural networks

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EP2193661A4 (en) * 2007-06-27 2011-10-19 Thomson Licensing METHOD AND APPARATUS FOR ENCODING AND / OR DECODING VIDEO DATA USING RESIDUAL PREDICTION OF IMPROVING LAYER FOR SCALABILITY OF BINARY DEPTH
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JP5749340B2 (ja) * 2010-07-21 2015-07-15 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 マルチレイヤフレーム準拠ビデオ配信のためのシステム及び方法

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Publication number Priority date Publication date Assignee Title
KR100878809B1 (ko) * 2004-09-23 2009-01-14 엘지전자 주식회사 비디오 신호의 디코딩 방법 및 이의 장치
JP2006279383A (ja) * 2005-03-29 2006-10-12 Nippon Telegr & Teleph Corp <Ntt> 階層間予測符号化方法，装置，階層間予測復号方法，装置，階層間予測符号化プログラム，階層間予測復号プログラムおよびそれらのプログラム記録媒体
KR100891663B1 (ko) * 2005-10-05 2009-04-02 엘지전자 주식회사 비디오 신호 디코딩 및 인코딩 방법
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Also Published As

Publication number Publication date
KR20150092089A (ko) 2015-08-12
KR20200117059A (ko) 2020-10-13
WO2014088306A2 (ko) 2014-06-12
KR20220001520A (ko) 2022-01-05
US20150312579A1 (en) 2015-10-29
KR102345770B1 (ko) 2022-01-03
KR102163477B1 (ko) 2020-10-07
KR102550743B1 (ko) 2023-07-04

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