KR100655040B1 - 디지털 영상신호 스케일링 방법 - Google Patents
디지털 영상신호 스케일링 방법 Download PDFInfo
- Publication number
- KR100655040B1 KR100655040B1 KR1020050113039A KR20050113039A KR100655040B1 KR 100655040 B1 KR100655040 B1 KR 100655040B1 KR 1020050113039 A KR1020050113039 A KR 1020050113039A KR 20050113039 A KR20050113039 A KR 20050113039A KR 100655040 B1 KR100655040 B1 KR 100655040B1
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- South Korea
- Prior art keywords
- image
- wavelet
- equation
- video signal
- pocs
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- 230000006866 deterioration Effects 0.000 description 4
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- 238000006731 degradation reaction Methods 0.000 description 3
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 3
- 238000009499 grossing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
- H04N7/0137—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes dependent on presence/absence of motion, e.g. of motion zones
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Television Systems (AREA)
- Editing Of Facsimile Originals (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (3)
- 표준(SD)급 영상 데이터를, 웨이브릿/바이큐빅(Wavelet/Bicubic) 영상 보간을 통해, 고선명(HD)급 영상의 화면 크기와 동일하게 변환하는 1단계;상기 변환된 영상 데이터를, 병렬 웨이브릿-피오씨에스(Wavelet-POCS) 영상 확대의 초기 값으로 사용함과 아울러, 현재의 표준(SD)급 영상 데이터와 바로 이전의 고선명(HD) 영상 데이터를 이용하여 움직임 성분을 추정하는 2단계; 및상기 추정된 움직임 성분을, 상기 병렬 웨이브릿-피오씨에스(Wavelet-POCS) 영상 확대의 보정 값으로 사용한 후, 디블러링(De-blurring)을 거쳐 고선명(HD)급 영상을 출력하는 3단계를 포함하여 이루어지는 것을 특징으로 하는 디지털 영상신호 스케일링 방법.
- 제 1항에 있어서,상기 1단계 이전에, 입력되는 비월주사 표준(SD)급 영상 데이터를, 디인터레이싱(De-Interlacing)을 통해, 순차주사 표준(SD)급 영상 데이터로 변환하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 디지털 영상신호 스케일링 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050113039A KR100655040B1 (ko) | 2005-11-24 | 2005-11-24 | 디지털 영상신호 스케일링 방법 |
US12/094,681 US8502916B2 (en) | 2005-11-24 | 2006-11-21 | Video signal processing method and apparatus |
PCT/KR2006/004893 WO2007061208A1 (en) | 2005-11-24 | 2006-11-21 | Video signal processing method and apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050113039A KR100655040B1 (ko) | 2005-11-24 | 2005-11-24 | 디지털 영상신호 스케일링 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100655040B1 true KR100655040B1 (ko) | 2006-12-06 |
Family
ID=37732453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050113039A KR100655040B1 (ko) | 2005-11-24 | 2005-11-24 | 디지털 영상신호 스케일링 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8502916B2 (ko) |
KR (1) | KR100655040B1 (ko) |
WO (1) | WO2007061208A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110008727A (ko) * | 2009-07-21 | 2011-01-27 | 삼성전자주식회사 | 다중 대역 합성 필터를 이용한 고해상도 영상 획득 장치 및 방법 |
US8681139B2 (en) | 2008-12-15 | 2014-03-25 | Samsung Display Co., Ltd. | Display device and method of driving the same |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010036251A1 (en) * | 2008-09-24 | 2010-04-01 | Nikon Corporation | Method and device for image deblurring using joint bilateral filtering |
EP2615579A1 (en) | 2012-01-12 | 2013-07-17 | Thomson Licensing | Method and device for generating a super-resolution version of a low resolution input data structure |
CN104169971B (zh) * | 2012-03-15 | 2020-08-25 | 英特尔公司 | 使用非线性缩放和自适应源块大小的分层运动估计 |
EP2662824A1 (en) * | 2012-05-10 | 2013-11-13 | Thomson Licensing | Method and device for generating a super-resolution version of a low resolution input data structure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5696848A (en) * | 1995-03-09 | 1997-12-09 | Eastman Kodak Company | System for creating a high resolution image from a sequence of lower resolution motion images |
EP0998122A3 (en) * | 1998-10-28 | 2000-11-29 | Hewlett-Packard Company | Apparatus and method of increasing scanner resolution |
JP4075418B2 (ja) * | 2002-03-15 | 2008-04-16 | ソニー株式会社 | 画像処理装置及び画像処理方法、印刷物製造装置及び印刷物製造方法、並びに印刷物製造システム |
US20050225571A1 (en) * | 2004-04-08 | 2005-10-13 | Collins David C | Generating and displaying spatially offset sub-frames |
JP3837575B2 (ja) * | 2004-10-29 | 2006-10-25 | 国立大学法人東京工業大学 | 超解像処理の高速化方法 |
-
2005
- 2005-11-24 KR KR1020050113039A patent/KR100655040B1/ko active IP Right Grant
-
2006
- 2006-11-21 US US12/094,681 patent/US8502916B2/en not_active Expired - Fee Related
- 2006-11-21 WO PCT/KR2006/004893 patent/WO2007061208A1/en active Application Filing
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8681139B2 (en) | 2008-12-15 | 2014-03-25 | Samsung Display Co., Ltd. | Display device and method of driving the same |
US9001093B2 (en) | 2008-12-15 | 2015-04-07 | Samsung Display Co., Ltd. | Display device and method of driving the same |
KR20110008727A (ko) * | 2009-07-21 | 2011-01-27 | 삼성전자주식회사 | 다중 대역 합성 필터를 이용한 고해상도 영상 획득 장치 및 방법 |
KR101590765B1 (ko) | 2009-07-21 | 2016-02-19 | 삼성전자주식회사 | 다중 대역 합성 필터를 이용한 고해상도 영상 획득 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20080309831A1 (en) | 2008-12-18 |
US8502916B2 (en) | 2013-08-06 |
WO2007061208A1 (en) | 2007-05-31 |
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