KR100644620B1 - 포스트 필터링을 적용한 동영상 디코딩 방법 및 그 장치 - Google Patents
포스트 필터링을 적용한 동영상 디코딩 방법 및 그 장치 Download PDFInfo
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- KR100644620B1 KR100644620B1 KR1020040059740A KR20040059740A KR100644620B1 KR 100644620 B1 KR100644620 B1 KR 100644620B1 KR 1020040059740 A KR1020040059740 A KR 1020040059740A KR 20040059740 A KR20040059740 A KR 20040059740A KR 100644620 B1 KR100644620 B1 KR 100644620B1
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- filtering
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- block
- motion vector
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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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
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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
- H04N19/42—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
- H04N19/426—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 using memory downsizing methods
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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
- H04N19/50—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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- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (5)
- 동영상 디코딩 방법에 있어서,a)어느 한 블록 및 그 이웃 블록들의 코딩 정보를 저장하는 과정;b)상기 저장된 정보를 바탕으로, 어느 한 블록의 움직임벡터를 예측하는 것과 함께 블록간의 경계를 필터링하는 필터링계수를 산출하는 과정;및c)상기 산출된 필터링계수를 바탕으로 상기 어느 한 블록과 그 이웃 블록들 사이의 경계를 필터링하는 과정을 포함하는 것을 특징으로 하는 디코딩 방법.
- 제1항에 있어서, 상기 이웃 블록들은상기 어느 한 블록의 좌측에 접한 블록 및 상단에 접한 블록인 것을 특징으로 하는 디코딩 방법.
- 제1항에 있어서, 상기 필터링계수는 압축표준 H.264에 있어서의 BS(Boundary Strength)이고, 상기 필터링은 압축표준 H.264에 있어서의 디블록킹 필터링(deblocking filtering)인 것을 특징으로 하는 디코딩 방법.
- 동영상 디코딩 장치에 있어서,어느 한 블록 및 그 이웃 블록들의 코딩 정보를 저장하는 메모리;상기 메모리에 저장된 정보를 바탕으로, 어느 한 블록의 움직임벡터를 예측하는 것과 함께 블록간의 경계를 필터링하는 필터링계수를 산출하는 메모리정보 처리부;및상기 메모리정보 처리부에서 산출된 필터링계수를 바탕으로 상기 어느 한 블록과 그 이웃 블록들 사이의 경계를 필터링하는 필터링부를 포함하는 것을 특징으로 하는 디코딩 장치.
- 제4항에 있어서, 상기 메모리정보 처리부는상기 메모리에 저장된 정보를 바탕으로 어느 한 블록의 움직임벡터를 예측하는 움직임벡터 예측부;및상기 움직임벡터 예측부로부터 상기 메모리에 저장된 정보를 수신하고, 상기 수신된 정보를 바탕으로 상기 필터링계수를 산출하는 필터링계수 산출부를 포함하는 것을 특징으로 하는 디코딩 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040059740A KR100644620B1 (ko) | 2004-07-29 | 2004-07-29 | 포스트 필터링을 적용한 동영상 디코딩 방법 및 그 장치 |
CNA2005100851372A CN1728831A (zh) | 2004-07-29 | 2005-07-20 | 应用后滤波的解码运动图像的方法和设备 |
EP05254493A EP1641280A3 (en) | 2004-07-29 | 2005-07-20 | Method and apparatus for decoding moving picture to which post filtering is applied |
US11/189,856 US20060023791A1 (en) | 2004-07-29 | 2005-07-27 | Method and apparatus for decoding moving picture to which post filtering is applied |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040059740A KR100644620B1 (ko) | 2004-07-29 | 2004-07-29 | 포스트 필터링을 적용한 동영상 디코딩 방법 및 그 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060011069A KR20060011069A (ko) | 2006-02-03 |
KR100644620B1 true KR100644620B1 (ko) | 2006-11-10 |
Family
ID=35695750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020040059740A Expired - Fee Related KR100644620B1 (ko) | 2004-07-29 | 2004-07-29 | 포스트 필터링을 적용한 동영상 디코딩 방법 및 그 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060023791A1 (ko) |
EP (1) | EP1641280A3 (ko) |
KR (1) | KR100644620B1 (ko) |
CN (1) | CN1728831A (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100763914B1 (ko) * | 2006-05-10 | 2007-10-05 | 삼성전자주식회사 | 고속의 메모리 액세스를 위한 화상 데이터 저장방법 및장치 |
KR100827106B1 (ko) * | 2006-10-20 | 2008-05-02 | 삼성전자주식회사 | 디블록킹 필터에서의 필터 조건 영역 판별을 위한 장치 및방법 |
KR100819289B1 (ko) * | 2006-10-20 | 2008-04-02 | 삼성전자주식회사 | 영상 데이터의 디블록킹 필터링 방법 및 디블록킹 필터 |
US20090245351A1 (en) * | 2008-03-28 | 2009-10-01 | Kabushiki Kaisha Toshiba | Moving picture decoding apparatus and moving picture decoding method |
CN104593114A (zh) * | 2008-06-26 | 2015-05-06 | 谐和能源有限责任公司 | 工程燃料原料 |
US20100111166A1 (en) * | 2008-10-31 | 2010-05-06 | Rmi Corporation | Device for decoding a video stream and method thereof |
TWI463878B (zh) * | 2009-02-19 | 2014-12-01 | Sony Corp | Image processing apparatus and method |
KR101700358B1 (ko) | 2009-12-09 | 2017-01-26 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
USRE47243E1 (en) | 2009-12-09 | 2019-02-12 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding video, and method and apparatus for decoding video |
CN103119937B (zh) * | 2010-07-20 | 2016-02-10 | Sk电信有限公司 | 用于解块滤波的方法和装置以及利用该方法和装置进行编码和解码的方法和装置 |
WO2014095120A1 (de) * | 2012-12-20 | 2014-06-26 | Robert Bosch Gmbh | Kolben-kraftstoffpumpe für eine brennkraftmaschine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6215425B1 (en) * | 1992-02-19 | 2001-04-10 | Netergy Networks, Inc. | Deblocking filter for encoder/decoder arrangement and method with divergence reduction |
EP1351511A3 (en) * | 2002-04-01 | 2005-08-10 | Broadcom Corporation | Method of communicating between modules in a video decoding system |
JP4699685B2 (ja) * | 2003-08-21 | 2011-06-15 | パナソニック株式会社 | 信号処理装置及びそれを用いた電子機器 |
-
2004
- 2004-07-29 KR KR1020040059740A patent/KR100644620B1/ko not_active Expired - Fee Related
-
2005
- 2005-07-20 EP EP05254493A patent/EP1641280A3/en not_active Withdrawn
- 2005-07-20 CN CNA2005100851372A patent/CN1728831A/zh active Pending
- 2005-07-27 US US11/189,856 patent/US20060023791A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1641280A3 (en) | 2006-05-17 |
EP1641280A2 (en) | 2006-03-29 |
KR20060011069A (ko) | 2006-02-03 |
CN1728831A (zh) | 2006-02-01 |
US20060023791A1 (en) | 2006-02-02 |
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