KR20170096986A - 영상 부호화 및 복호화 장치 및 그 방법 - Google Patents
영상 부호화 및 복호화 장치 및 그 방법 Download PDFInfo
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- KR20170096986A KR20170096986A KR1020170103157A KR20170103157A KR20170096986A KR 20170096986 A KR20170096986 A KR 20170096986A KR 1020170103157 A KR1020170103157 A KR 1020170103157A KR 20170103157 A KR20170103157 A KR 20170103157A KR 20170096986 A KR20170096986 A KR 20170096986A
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 생략 부호화를 이용한 영상 부호화 과정의 일 예를 나타낸 도면이다.
도 3은 본 발명의 일 실시예에 따른 생략 부호화를 이용한 영상 복호화 장치의 블록도이다.
도 4는 본 발명의 일 실시예에 따른 생략 부호화를 이용한 영상 부호화 방법의 흐름도이다.
Claims (7)
- 현재 블록에 대한 잔차 신호를 획득하는 단계;
상기 현재 블록에 대한 예측 신호를 획득하는 단계;
상기 잔차 샘플 및 상기 예측 샘플을 기초로, 상기 현재 블록을 복원하는 단계;
상기 복원된 현재 블록에 디블록킹 필터를 적용하는 단계; 및
상기 디블록킹 필터가 적용된 현재 블록에 추가적으로 필터를 적용하는 단계
를 포함하는, 영상 복호화 방법. - 제1 항에 있어서, 상기 디블록킹 필터를 적용하는 단계는,
필터 강도 또는 상기 복원된 현재 블록의 경계에 위치하는 화소를 이용하여 계산된 값 중 적어도 하나에 기초하여, 상기 디블록킹 필터를 적용할 것인지 여부를 결정하는 단계를 포함하는, 영상 복호화 방법. - 제2 항에 있어서,
상기 필터 강도는, 상기 현재 블록의 부호화 파라미터를 기초로 결정되고,
상기 부호화 파라미터는, 예측 모드, 움직임 벡터, 참조 영상 색인 또는 부호화 블록 플래그 중 적어도 하나를 포함하는, 영상 복호화 방법. - 제1 항에 있어서,
상기 디블록킹 필터를 적용하는 단계는,
상기 현재 블록의 경계를 판단하는 단계를 더 포함하고,
상기 현재 블록의 경계는, 슬라이스 간 필터링이 허용되는지 여부에 기초하여, 결정되는 것을 특징으로 하는, 영상 복호화 방법. - 제1 항에 있어서, 상기 추가 필터를 이용한 필터링은,
상기 현재 블록에 대한 LCU (Largest Coding Unit) 단위로 수행되는 것을 특징으로 하는, 영상 복호화 방법 - 제1 항에 있어서, 상기 추가 필터를 적용하는 단계는,
필터 계수를 결정하는 단계; 및
상기 현재 블록의 샘플 단위로, 상기 필터 계수를 적용하는 단계를 포함하는, 영상 복호화 방법. - 제6 항에 있어서,
상기 필터 계수는, 샘플 별로 가변적으로 결정되는 것을 특징으로 하는, 영상 복호화 방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20100042823 | 2010-05-07 | ||
| KR1020100042823 | 2010-05-07 | ||
| KR1020100121192A KR20110123651A (ko) | 2010-05-07 | 2010-12-01 | 생략 부호화를 이용한 영상 부호화 및 복호화 장치 및 그 방법 |
| KR1020100121192 | 2010-12-01 |
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| KR1020160056401A Division KR101769937B1 (ko) | 2010-05-07 | 2016-05-09 | 영상 부호화 및 복호화 장치 및 그 방법 |
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| KR1020180059405A Division KR101972407B1 (ko) | 2010-05-07 | 2018-05-25 | 영상 부호화 및 복호화 장치 및 그 방법 |
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| Publication Number | Publication Date |
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| KR20170096986A true KR20170096986A (ko) | 2017-08-25 |
| KR101863082B1 KR101863082B1 (ko) | 2018-06-01 |
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| KR1020140168354A Active KR101708265B1 (ko) | 2010-05-07 | 2014-11-28 | 영상 부호화 및 복호화 장치 및 그 방법 |
| KR1020150139736A Active KR101619975B1 (ko) | 2010-05-07 | 2015-10-05 | 생략 부호화를 이용한 영상 부호화 및 복호화 장치 및 그 방법 |
| KR1020160056405A Active KR101769938B1 (ko) | 2010-05-07 | 2016-05-09 | 영상 부호화 및 복호화 장치 및 그 방법 |
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| KR1020200012662A Active KR102185954B1 (ko) | 2010-05-07 | 2020-02-03 | 영상 부호화 및 복호화 장치 및 그 방법 |
| KR1020200161576A Active KR102296826B1 (ko) | 2010-05-07 | 2020-11-26 | 영상 부호화 및 복호화 장치 및 그 방법 |
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