KR101519787B1 - 테일러 급수 확장을 이용한 디인터레이싱 방법 및 그 장치 - Google Patents
테일러 급수 확장을 이용한 디인터레이싱 방법 및 그 장치 Download PDFInfo
- Publication number
- KR101519787B1 KR101519787B1 KR1020140052424A KR20140052424A KR101519787B1 KR 101519787 B1 KR101519787 B1 KR 101519787B1 KR 1020140052424 A KR1020140052424 A KR 1020140052424A KR 20140052424 A KR20140052424 A KR 20140052424A KR 101519787 B1 KR101519787 B1 KR 101519787B1
- Authority
- KR
- South Korea
- Prior art keywords
- taylor series
- series expansion
- quot
- equation
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 64
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000013598 vector Substances 0.000 description 6
- 238000010191 image analysis Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 241000557626 Corvus corax Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- 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
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/012—Conversion between an interlaced and a progressive signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Graphics (AREA)
- Television Systems (AREA)
Abstract
Description
도 2는 본 발명에 따른 테일러 급수 확장을 이용한 디인터레이싱 방법의 전체 흐름을 나타내는 흐름도.
도 3은 본 발명에 따른 테일러 급수 확장을 이용한 디인터레이싱 방법에 있어서, 다양한 이웃 영역 C의 구조.
도 4는 본 발명에 따른 테일러 급수 확장을 이용한 디인터레이싱 방법에 있어서, 제1방법과 제2방법의 다른 차수 비교 결과 그래프. (a) PSNR, (b) CPU 시간.
도 5는 본 발명에 따른 테일러 급수 확장을 이용한 디인터레이싱 장치의 전체 구성을 나타내는 구성도.
도 6은 다른 SH 와 SV 값의 PSNR 성능 비교(dB).
도 7은 (a) Original 512 × 512 Barbara image, (b) Zoomed original image, Perceived image quality comparison using different deinterlacing methods, (c) LA, (d) ELA, (e) EELA, (f) MELA, (g) LCID, (h) EMD, (i) NEDD, (j) CAD, (k) AAI, (l) 본 발명의 인터레이싱 방법.
20 : 누락 픽셀 산출부
30 : 디인터레이싱 장치
Claims (6)
- (a) 테일러 급수 확장부를 이용하여, 인터레이스된 2차원 영상을 통해 주어진 픽셀들을 이용하여, 테일러 급수 확장(Taylor series expansion)의 근사 함수를 적용하는 단계 및
(b) 누락 픽셀 산출부를 이용하여, 상기 테일러 급수 확장에서 누락된 픽셀에 관하여, 누락 포인트 값을 산출하기 위한 근사 함수를 적용하는 단계를 포함하는 것을 특징으로 하는 디인터레이싱 방법.
- 인터레이스된 2차원 영상을 통해 주어진 픽셀들을 이용하여, 테일러 급수 확장(Taylor series expansion)의 근사 함수를 적용하는 테일러 급수 확장부 및
상기 테일러 급수 확장에서 누락된 픽셀에 관하여, 누락 포인트 값을 산출하기 위한 근사 함수를 적용하는 누락 픽셀 산출부를 포함하는 것을 특징으로 하는 디인터레이싱 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140052424A KR101519787B1 (ko) | 2014-04-30 | 2014-04-30 | 테일러 급수 확장을 이용한 디인터레이싱 방법 및 그 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140052424A KR101519787B1 (ko) | 2014-04-30 | 2014-04-30 | 테일러 급수 확장을 이용한 디인터레이싱 방법 및 그 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101519787B1 true KR101519787B1 (ko) | 2015-05-12 |
Family
ID=53394564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020140052424A Active KR101519787B1 (ko) | 2014-04-30 | 2014-04-30 | 테일러 급수 확장을 이용한 디인터레이싱 방법 및 그 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101519787B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020001951A (ko) * | 2000-06-22 | 2002-01-09 | 구자홍 | 순차주사 영상 변환 장치 및 방법과, 그를 이용한 수직주사율 변환 장치 |
KR100582860B1 (ko) * | 2002-12-13 | 2006-05-24 | 트라이던트 마이크로시스템즈, 인크. | 인터레이스 - 프로그레시브 변환을 위한 개량형 에지 적응 보간 방법 및 시스템 |
KR100611517B1 (ko) * | 1998-03-09 | 2006-08-11 | 소니 인터내셔널(유로파) 게엠베하 | 디지털 신호의 보간 방법 및 시스템 |
-
2014
- 2014-04-30 KR KR1020140052424A patent/KR101519787B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100611517B1 (ko) * | 1998-03-09 | 2006-08-11 | 소니 인터내셔널(유로파) 게엠베하 | 디지털 신호의 보간 방법 및 시스템 |
KR20020001951A (ko) * | 2000-06-22 | 2002-01-09 | 구자홍 | 순차주사 영상 변환 장치 및 방법과, 그를 이용한 수직주사율 변환 장치 |
KR100582860B1 (ko) * | 2002-12-13 | 2006-05-24 | 트라이던트 마이크로시스템즈, 인크. | 인터레이스 - 프로그레시브 변환을 위한 개량형 에지 적응 보간 방법 및 시스템 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7720148B2 (en) | Efficient multi-frame motion estimation for video compression | |
US6331874B1 (en) | Motion compensated de-interlacing | |
JP5844394B2 (ja) | 適応探索範囲を用いた動き推定 | |
KR100957479B1 (ko) | 필드-기반 비디오에 대해 모션 보상을 이용한 공간-시간디인터레이싱을 위한 방법 및 장치 | |
Wang et al. | Hybrid de-interlacing algorithm based on motion vector reliability | |
GB2437337A (en) | Measuring block artefacts in video data using an auto-correlation function | |
KR20060135770A (ko) | 이미지들의 내삽 및 외삽을 조합에 의한 이미지 신호들의스캔-레이트 변환의 아티팩트들의 감소 | |
KR100975786B1 (ko) | 잡음 제약된 대각 개선된 업변환 | |
Lee et al. | Cost-efffective color filter array demosaicing using spatial correlation | |
JP6294052B2 (ja) | 1パスビデオ超解像処理方法及びその映像処理を遂行する映像処理装置 | |
Lee et al. | High quality spatially registered vertical temporal filtering for deinterlacing | |
Shen et al. | Motion adaptive deinterlacing of video data with texture detection | |
KR101519787B1 (ko) | 테일러 급수 확장을 이용한 디인터레이싱 방법 및 그 장치 | |
Wang et al. | Deinterlacing using Taylor series expansion and polynomial regression | |
US8115863B2 (en) | Video de-interlacer using pixel trajectory | |
Biswas et al. | A novel de-interlacing technique based on phase plane correlation motion estimation | |
Chen et al. | A gradient inverse weighted filtering approach for video deinterlacing | |
Park et al. | Covariance-based adaptive deinterlacing method using edge map | |
Wang et al. | Efficient adaptive deinterlacing algorithm using bilateral filter | |
Biswas et al. | Performance analysis of motion-compensated de-interlacing systems | |
Chen et al. | Median Based Wiener Filtering interpolation method for Progressive display using Local Homogeneous Area Selector | |
Kanumuri et al. | Fast super-resolution reconstructions of mobile video using warped transforms and adaptive thresholding | |
Choi et al. | Neural network deinterlacing using multiple fields and field-MSEs | |
Wang et al. | A hybrid algorithm using maximum a posteriori for interlaced to progressive scanning format conversion | |
Bi et al. | A new source-side de-interlacing method for high quality video content |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20140430 |
|
PA0201 | Request for examination | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20150210 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20150422 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20150506 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20150506 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20180423 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20180423 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20200427 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20210503 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20240424 Start annual number: 10 End annual number: 10 |