KR101174179B1 - 블록 기반의 필름 그레인 패턴의 적응적 디블로킹을 위한기술 - Google Patents
블록 기반의 필름 그레인 패턴의 적응적 디블로킹을 위한기술 Download PDFInfo
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Abstract
Description
Claims (22)
- 적어도 하나의 필름 그레인 블록의 블록현상(blockiness)을 감소시키는 방법으로서,상기 블록내의 필름 그레인의 특성에 적어도 부분적으로 관련된 적어도 하나의 파라미터를 설정하는 단계; 및상기 적어도 하나의 파라미터에 따라 상기 블록의 에지들에서 픽셀들의 강도들을 조정함으로써 상기 필름 그레인 블록현상을 감소시키는 단계를 포함하는 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 필름 그레인 블록현상을 감소시키는 단계는, 적어도 하나의 에지를 따라 상기 필름 그레인 블록을 다운스케일링(downscaling)하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제2항에 있어서,모든 에지를 따라 상기 필름 그레인 블록을 다운스케일링하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 필름 그레인 블록현상을 감소시키는 단계는, 적어도 하나의 에지에 걸쳐 상기 필름 그레인 블록을 디블로킹 필터링(deblocking filtering)하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제4항에 있어서,상기 필름 그레인 블록현상을 감소시키는 단계는, 모든 에지에 걸쳐 상기 필름 그레인 블록을 디블로킹 필터링하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 적어도 하나의 파라미터를 설정하는 단계는, 필름 그레인 사이즈를 설정하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 적어도 하나의 파라미터를 설정하는 단계는, 필름 그레인 강도를 설정하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 적어도 하나의 파라미터를 설정하는 단계는, 필름 그레인 텍스처(texture)를 설정하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 적어도 하나의 파라미터를 설정하는 단계는, 필름 그레인 사이즈, 강도 및 텍스처 중 적어도 하나를 설정하고, 또한 적어도 하나의 화상 특성을 설정하는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 블록내의 상이한 로우(row)들에서 상기 필름 그레인 블록현상을 상이하게 감소시키는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 블록내의 상이한 컬럼(column)들에서 상기 필름 그레인 블록현상을 상이하게 감소시키는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,인접 블록의 적어도 하나의 특성에 따라서 적어도 부분적으로 상기 필름 그레인 블록현상을 감소시키는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 제1항에 있어서,상기 그레인을 수용하는 화상의 적어도 하나의 특성에 따라서 적어도 부분적으로 상기 필름 그레인 블록현상을 감소시키는 단계를 더 포함하는, 필름 그레인 블록의 블록현상 감소 방법.
- 적어도 하나의 필름 그레인 블록의 블록현상을 감소시키는 장치로서,상기 블록내의 상기 필름 그레인의 특성에 관련된 적어도 하나의 파라미터를 설정하는 수단; 및상기 적어도 하나의 파라미터에 따라 상기 블록의 에지들에서 픽셀들의 강도들을 조정함으로써 상기 필름 그레인 블록현상을 감소시키는 수단을 포함하는 필름 그레인 블록의 블록현상 감소 장치.
- 제14항에 있어서,상기 필름 그레인 블록현상을 감소시키는 수단은, 적어도 하나의 에지를 따라 상기 필름 그레인 블록을 다운스케일링하는 수단을 더 포함하는, 필름 그레인 블록의 블록현상 감소 장치.
- 제15항에 있어서,상기 필름 그레인 블록을 다운스케일링하는 수단은 모든 블록 에지를 따라 다운스케일링을 행하는, 필름 그레인 블록의 블록현상 감소 장치.
- 제14항에 있어서,상기 필름 그레인 블록현상을 감소시키는 수단은, 적어도 하나의 에지에 걸쳐 상기 필름 그레인 블록을 디블로킹 필터링하는 수단을 더 포함하는, 필름 그레인 블록의 블록현상 감소 장치.
- 제17항에 있어서,상기 디블로킹 필터링 수단은, 모든 에지에 걸쳐 상기 필름 그레인 블록을 디블로킹 필터링하는, 필름 그레인 블록의 블록현상 감소 장치.
- 제14항에 있어서,상기 적어도 하나의 파라미터를 설정하는 수단은, 필름 그레인 사이즈를 설정하는 수단을 더 포함하는, 필름 그레인 블록의 블록현상 감소 장치.
- 제14항에 있어서,상기 적어도 하나의 파라미터를 설정하는 수단은, 필름 그레인 강도를 설정하는 수단을 더 포함하는, 필름 그레인 블록의 블록현상 감소 장치.
- 제14항에 있어서,상기 적어도 하나의 파라미터를 설정하는 수단은, 필름 그레인 텍스처를 설 정하는 수단을 더 포함하는, 필름 그레인 블록의 블록현상 감소 장치.
- 제14항에 있어서,상기 적어도 하나의 파라미터를 설정하는 수단은, 필름 그레인 사이즈, 강도 및 텍스처 중 적어도 하나를 설정하고, 또한 적어도 하나의 화상 특성을 설정하는 수단을 더 포함하는, 필름 그레인 블록의 블록현상 감소 장치.
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US62070204P | 2004-10-21 | 2004-10-21 | |
US60/620,702 | 2004-10-21 |
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US (1) | US7738722B2 (ko) |
EP (1) | EP1803303B1 (ko) |
JP (1) | JP4920592B2 (ko) |
KR (1) | KR101174179B1 (ko) |
CN (1) | CN101095356B (ko) |
CA (1) | CA2584027C (ko) |
WO (1) | WO2006047138A2 (ko) |
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WO2006047138A2 (en) | 2006-05-04 |
CA2584027C (en) | 2014-12-30 |
WO2006047138A3 (en) | 2006-08-03 |
CN101095356B (zh) | 2013-06-19 |
CA2584027A1 (en) | 2006-05-04 |
EP1803303A2 (en) | 2007-07-04 |
EP1803303B1 (en) | 2019-12-04 |
KR20070084390A (ko) | 2007-08-24 |
US7738722B2 (en) | 2010-06-15 |
CN101095356A (zh) | 2007-12-26 |
JP2008518510A (ja) | 2008-05-29 |
JP4920592B2 (ja) | 2012-04-18 |
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