KR20140074350A - 영상 부호화 장치 - Google Patents
영상 부호화 장치 Download PDFInfo
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- KR20140074350A KR20140074350A KR20147010216A KR20147010216A KR20140074350A KR 20140074350 A KR20140074350 A KR 20140074350A KR 20147010216 A KR20147010216 A KR 20147010216A KR 20147010216 A KR20147010216 A KR 20147010216A KR 20140074350 A KR20140074350 A KR 20140074350A
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Abstract
Description
도 2는 본 발명에 따른 인트라 예측 모드들을 설명하는 개념적 블록도이다.
도 3은 본 발명에 따른 양자화 파라미터를 부호화하는 방법을 설명하는 순서도이다.
도 4은 본 발명에 따른 영상 복호화 장치를 나타내는 블록도이다.
도 5는 본 발명에 따른 인트라 예측모드에서의 예측 블록을 생성하는 방법을 설명하는 순서도이다.
도 6는 본 발명에 따른 인트라 예측 모드를 복원하는 과정을 설명하는 순서도이다.
도 7은 본 발명에 따른 현재 블록의 참조화소들의 위치를 설명하는 블록도이다.
도 8은 본 발명에 따른 인트라 예측에서의 예측 블록을 생성하는 장치를 설명하는 블록도이다.
도 9는 본 발명에 따른 양자화 파라미터를 복호화하는 방법을 설명하는 순서도이다.
Claims (2)
- 영상 부호화 장치에 있어서,
현재 예측 유닛의 인트라 예측 모드를 이용하여 예측블록을 생성하는 인트라 예측부;
상기 예측 블록을 이용하여 생성되는 잔차 블록을 변환하여 변환 블록을 생성하는 변환부;
상기 변환 블록을 양자화 파라미터 및 양자화 매트릭스를 이용하여 양자화하여 양자화 블록을 생성하는 양자화부; 및
상기 양자화 블록을 스캔하여 1차원의 양자화 계수 성분들로 변환하는 스캐닝부;를 포함하고,
상기 변환 블록의 크기에 따라 DCT 변환 및 DST 변환 중의 하나를 선택하여 상기 잔차 블록이 변환되고,
현재 코딩 유닛의 좌측 양자화 파라미터, 상측 양자화 파라미터 및 이전 양자화 파라미터 중에서 2개 이상이 이용 가능하면, 상기 양자화 파라미터는 미리 정해진 순서에 따라 결정되는 이용 가능한 2개의 양자화 파라미터들을 이용하여 생성되는 양자화 파라미터 예측자를 이용하여 부호화되는 것을 특징으로 하는 장치.
- 제1항에 있어서, 하나의 양자화 파라미터만 이용 가능하면, 상기 이용 가능한 양자화 파라미터가 양자화 파라미터 예측자로 설정되는 것을 특징으로 하는 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020110114607 | 2011-11-04 | ||
KR20110114607A KR20130049523A (ko) | 2011-11-04 | 2011-11-04 | 인트라 예측 블록 생성 장치 |
PCT/CN2012/083978 WO2013064095A1 (en) | 2011-11-04 | 2012-11-02 | Method of deriving quantization parameter |
Related Parent Applications (1)
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KR1020147010207A Division KR101472974B1 (ko) | 2011-11-04 | 2012-11-02 | 양자화 블록 역양자화 방법 |
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KR20140074350A true KR20140074350A (ko) | 2014-06-17 |
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Application Number | Title | Priority Date | Filing Date |
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KR20110114607A Withdrawn KR20130049523A (ko) | 2011-11-04 | 2011-11-04 | 인트라 예측 블록 생성 장치 |
KR1020147010215A Ceased KR20140066240A (ko) | 2011-11-04 | 2012-11-02 | 영상 부호화 장치 |
KR1020147010207A Ceased KR101472974B1 (ko) | 2011-11-04 | 2012-11-02 | 양자화 블록 역양자화 방법 |
KR20147010213A Ceased KR20140071438A (ko) | 2011-11-04 | 2012-11-02 | 영상 복호화 장치 |
KR20147010216A Ceased KR20140074350A (ko) | 2011-11-04 | 2012-11-02 | 영상 부호화 장치 |
KR1020147010214A Ceased KR20140066239A (ko) | 2011-11-04 | 2012-11-02 | 영상 복호화 방법 |
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KR20110114607A Withdrawn KR20130049523A (ko) | 2011-11-04 | 2011-11-04 | 인트라 예측 블록 생성 장치 |
KR1020147010215A Ceased KR20140066240A (ko) | 2011-11-04 | 2012-11-02 | 영상 부호화 장치 |
KR1020147010207A Ceased KR101472974B1 (ko) | 2011-11-04 | 2012-11-02 | 양자화 블록 역양자화 방법 |
KR20147010213A Ceased KR20140071438A (ko) | 2011-11-04 | 2012-11-02 | 영상 복호화 장치 |
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KR1020147010214A Ceased KR20140066239A (ko) | 2011-11-04 | 2012-11-02 | 영상 복호화 방법 |
Country Status (16)
Country | Link |
---|---|
US (11) | US9264723B2 (ko) |
EP (6) | EP3843392B1 (ko) |
JP (8) | JP5841264B2 (ko) |
KR (6) | KR20130049523A (ko) |
CN (8) | CN108366260B (ko) |
BR (5) | BR112014010639B1 (ko) |
CA (4) | CA3217419A1 (ko) |
DK (2) | DK3843393T3 (ko) |
ES (3) | ES2984853T3 (ko) |
HU (3) | HUE066920T2 (ko) |
MX (6) | MX340480B (ko) |
PL (3) | PL3843393T3 (ko) |
PT (2) | PT3843393T (ko) |
SG (9) | SG10202001287TA (ko) |
TW (10) | TW202450310A (ko) |
WO (1) | WO2013064095A1 (ko) |
Cited By (1)
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US11706432B2 (en) | 2018-01-02 | 2023-07-18 | Samsung Electronics Co., Ltd. | Encoding method and apparatus therefor, and decoding method and apparatus therefor |
US11706434B2 (en) | 2018-01-02 | 2023-07-18 | Samsung Electronics Co., Ltd. | Encoding method and apparatus therefor, and decoding method and apparatus therefor |
US11706433B2 (en) | 2018-01-02 | 2023-07-18 | Samsung Electronics Co., Ltd. | Encoding method and apparatus therefor, and decoding method and apparatus therefor |
US11706435B2 (en) | 2018-01-02 | 2023-07-18 | Samsung Electronics Co., Ltd. | Encoding method and apparatus therefor, and decoding method and apparatus therefor |
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