CN101779221A - Method and device for improving chrominance sharpness - Google Patents
Method and device for improving chrominance sharpness Download PDFInfo
- Publication number
- CN101779221A CN101779221A CN200880103133.4A CN200880103133A CN101779221A CN 101779221 A CN101779221 A CN 101779221A CN 200880103133 A CN200880103133 A CN 200880103133A CN 101779221 A CN101779221 A CN 101779221A
- Authority
- CN
- China
- Prior art keywords
- signal
- steepness
- equipment
- gain
- input
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001228 spectrum Methods 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000001052 transient effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 101000760663 Hololena curta Mu-agatoxin-Hc1a Proteins 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20192—Edge enhancement; Edge preservation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07114583.3 | 2007-08-20 | ||
EP07114583 | 2007-08-20 | ||
PCT/IB2008/053179 WO2009024885A2 (en) | 2007-08-20 | 2008-08-07 | Method and device for improving chrominance sharpness |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101779221A true CN101779221A (en) | 2010-07-14 |
CN101779221B CN101779221B (en) | 2012-10-03 |
Family
ID=40378759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880103133.4A Expired - Fee Related CN101779221B (en) | 2007-08-20 | 2008-08-07 | Method and device for improving chrominance sharpness |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2188775A2 (en) |
CN (1) | CN101779221B (en) |
WO (1) | WO2009024885A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105809644A (en) * | 2016-03-15 | 2016-07-27 | 深圳英飞拓科技股份有限公司 | Image edge false color inhabitation method and apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8805114B2 (en) * | 2012-11-27 | 2014-08-12 | Texas Instruments Incorporated | Content adaptive edge and detail enhancement for image and video processing |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0805603A1 (en) * | 1996-01-11 | 1997-11-05 | Texas Instruments Incorporated | Improvements in or relating to signal processing circuits |
US7271851B2 (en) * | 2003-01-16 | 2007-09-18 | Samsung Electronics Co., Ltd. | Adaptive color transient improvement |
SG115540A1 (en) * | 2003-05-17 | 2005-10-28 | St Microelectronics Asia | An edge enhancement process and system |
US7454081B2 (en) * | 2004-01-30 | 2008-11-18 | Broadcom Corporation | Method and system for video edge enhancement |
US7653257B2 (en) * | 2005-07-19 | 2010-01-26 | Intel Corporation | Enhancing video sequence sharpness by adaptive peaking |
KR100757731B1 (en) * | 2006-02-16 | 2007-09-11 | 삼성전자주식회사 | Method for adaptive image signal transient improvement, and image quality improvement device for the same |
-
2008
- 2008-08-07 WO PCT/IB2008/053179 patent/WO2009024885A2/en active Application Filing
- 2008-08-07 CN CN200880103133.4A patent/CN101779221B/en not_active Expired - Fee Related
- 2008-08-07 EP EP08807264A patent/EP2188775A2/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105809644A (en) * | 2016-03-15 | 2016-07-27 | 深圳英飞拓科技股份有限公司 | Image edge false color inhabitation method and apparatus |
CN105809644B (en) * | 2016-03-15 | 2018-05-15 | 深圳英飞拓科技股份有限公司 | Image border fake color inhibition method and device |
Also Published As
Publication number | Publication date |
---|---|
WO2009024885A2 (en) | 2009-02-26 |
EP2188775A2 (en) | 2010-05-26 |
CN101779221B (en) | 2012-10-03 |
WO2009024885A3 (en) | 2009-06-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6724943B2 (en) | Device and method for image processing | |
KR101454609B1 (en) | Image processing method and apparatus | |
US8314862B2 (en) | Filter circuit, image processing apparatus, imaging apparatus, image processing method, and computer program | |
KR101329469B1 (en) | Apparatus, method, and recording medium storing the computer program | |
JP2001298621A (en) | Image processor and image processing method | |
CN101980521B (en) | Image sharpening method and related device | |
JPH0568147B2 (en) | ||
US8594452B2 (en) | System and method for processing an image edge | |
US8648859B2 (en) | Image display apparatus, image processing apparatus and method to output an image with high perceived resolution | |
US8913842B2 (en) | Image smoothing method based on content-dependent filtering | |
US20040189874A1 (en) | Image detail enhancement system | |
US8670079B2 (en) | Video display device | |
KR100780151B1 (en) | Apparatus and method for compensating edge using min/max filter | |
US7512264B2 (en) | Image processing | |
CN105260986A (en) | Anti-fuzzy image amplification method | |
US8363166B2 (en) | Image quality improving device and method | |
CN101562692B (en) | Apparatus and method for noise reduction | |
CN1965570A (en) | Image processing device, method, and program | |
CN101779221B (en) | Method and device for improving chrominance sharpness | |
KR100565065B1 (en) | Method and apparatus for image detail enhancement using filter bank | |
EP2320637A1 (en) | Image processing device and method, and image display device | |
KR100444997B1 (en) | Edge correction method and apparatus therefor | |
US20080266307A1 (en) | Method and System for Enhancing the Sharpness of a Video Signal | |
DE69320810T2 (en) | Compensation of non-linear effects in signal processing with active devices | |
US8249379B2 (en) | Image processing apparatus and method and image display apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: CAYMAN ISLANDS BUSINESS TRIDENT MICROSYSTEMS CO., Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20101119 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: EINDHOVEN, HOLLAND TO: ENGLISH CAYMAN ISLANDS |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20101119 Address after: Cayman Islands Applicant after: NXP BV Address before: Holland Ian Deho Finn Applicant before: Koninkl Philips Electronics NV |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ENTROPIC COMMUNICATIONS, INC. Free format text: FORMER OWNER: CAYMAN ISLANDS BUSINESS TRIDENT MICROSYSTEMS CO., LTD. Effective date: 20131008 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131008 Address after: American California Patentee after: Entropic Communications, Inc. Address before: Cayman Islands Patentee before: NXP BV |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20140807 |
|
EXPY | Termination of patent right or utility model |