WO2014084671A3 - 트랜스폼을 이용한 영상 부호화/복호화 방법 및 장치 - Google Patents

트랜스폼을 이용한 영상 부호화/복호화 방법 및 장치 Download PDF

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Publication number
WO2014084671A3
WO2014084671A3 PCT/KR2013/011020 KR2013011020W WO2014084671A3 WO 2014084671 A3 WO2014084671 A3 WO 2014084671A3 KR 2013011020 W KR2013011020 W KR 2013011020W WO 2014084671 A3 WO2014084671 A3 WO 2014084671A3
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WO
WIPO (PCT)
Prior art keywords
transform
encoding
transform coefficients
decoding images
scanning
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PCT/KR2013/011020
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English (en)
French (fr)
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WO2014084671A2 (ko
Inventor
곽재희
권령희
이영렬
홍성욱
고재현
유영환
Original Assignee
인텔렉추얼 디스커버리 주식회사
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.)
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Application filed by 인텔렉추얼 디스커버리 주식회사 filed Critical 인텔렉추얼 디스커버리 주식회사
Priority to KR1020157018918A priority Critical patent/KR20150105348A/ko
Publication of WO2014084671A2 publication Critical patent/WO2014084671A2/ko
Publication of WO2014084671A3 publication Critical patent/WO2014084671A3/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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/134—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
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

본 발명의 영상을 부호화/복호화하는 방법 및 장치에 관한 것으로, 그 부호화 방법은 잔차 신호에 대해 하다마드 트랜스폼(hadamard transform)을 적용하여 변환 계수로 변환하는 단계; 변환 계수를 양자화하는 단계; 양자화된 변환 계수들을 스캐닝하는 단계; 및 스캐닝된 변환 계수들에 대해 엔트로피 코딩을 수행하는 단계를 포함하고, 양자화 단계는 스캐닝 순서에 따라 잔차 신호 블록을 복수의 부분들로 나누어 서로 다른 양자화 레벨을 적용한다.
PCT/KR2013/011020 2012-11-29 2013-11-29 트랜스폼을 이용한 영상 부호화/복호화 방법 및 장치 WO2014084671A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020157018918A KR20150105348A (ko) 2012-11-29 2013-11-29 트랜스폼을 이용한 영상 부호화/복호화 방법 및 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20120136762 2012-11-29
KR10-2012-0136762 2012-11-29
KR20130047108 2013-04-29
KR10-2013-0047108 2013-04-29

Publications (2)

Publication Number Publication Date
WO2014084671A2 WO2014084671A2 (ko) 2014-06-05
WO2014084671A3 true WO2014084671A3 (ko) 2014-10-23

Family

ID=50828572

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/011020 WO2014084671A2 (ko) 2012-11-29 2013-11-29 트랜스폼을 이용한 영상 부호화/복호화 방법 및 장치

Country Status (2)

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KR (1) KR20150105348A (ko)
WO (1) WO2014084671A2 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017155334A1 (ko) 2016-03-11 2017-09-14 디지털인사이트 주식회사 비디오 코딩 방법 및 장치
JP6798015B2 (ja) * 2016-09-30 2020-12-09 エルジー エレクトロニクス インコーポレイティド 画像コーディングシステムにおけるブロック分割及びイントラ予測方法並びに装置
CN111785262B (zh) * 2020-06-23 2022-08-05 电子科技大学 一种基于残差网络及融合特征的说话人年龄性别分类方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060119736A (ko) * 2005-05-19 2006-11-24 엘지전자 주식회사 영상 신호의 인코딩 방법
US20090297054A1 (en) * 2008-05-27 2009-12-03 Microsoft Corporation Reducing dc leakage in hd photo transform
KR20110001895A (ko) * 2009-06-30 2011-01-06 씨케이디 가부시키 가이샤 소형전자밸브
US20120082211A1 (en) * 2010-09-30 2012-04-05 Madhukar Budagavi Low Complexity Large Transform
KR20120082960A (ko) * 2011-01-15 2012-07-25 에스케이 텔레콤주식회사 양방향 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060119736A (ko) * 2005-05-19 2006-11-24 엘지전자 주식회사 영상 신호의 인코딩 방법
US20090297054A1 (en) * 2008-05-27 2009-12-03 Microsoft Corporation Reducing dc leakage in hd photo transform
KR20110001895A (ko) * 2009-06-30 2011-01-06 씨케이디 가부시키 가이샤 소형전자밸브
US20120082211A1 (en) * 2010-09-30 2012-04-05 Madhukar Budagavi Low Complexity Large Transform
KR20120082960A (ko) * 2011-01-15 2012-07-25 에스케이 텔레콤주식회사 양방향 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
WO2014084671A2 (ko) 2014-06-05
KR20150105348A (ko) 2015-09-16

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