KR920010031B1 - Picture quality improving apparatus - Google Patents

Picture quality improving apparatus

Info

Publication number: KR920010031B1
Authority: KR; South Korea
Prior art keywords: picture quality; quality improving; improving apparatus; picture; quality
Prior art date: 1988-10-20
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.): Expired

Application number

KR8915086A

Other languages

English (en)

Inventor

Seiichi Tanaka

Kouichi Kurihara

Original Assignee

Toshiba Co Ltd

Priority date (The priority date 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 date listed.)

1988-10-20

Filing date

1989-10-20

Publication date

1992-11-13

1989-10-20 Application filed by Toshiba Co Ltd filed Critical Toshiba Co Ltd

1992-11-13 Application granted granted Critical

1992-11-13 Publication of KR920010031B1 publication Critical patent/KR920010031B1/ko

Status Expired legal-status Critical Current

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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Of Color Television Signals (AREA)

KR8915086A 1988-10-20 1989-10-20 Picture quality improving apparatus Expired KR920010031B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP63264419A JPH02111188A (ja)	1988-10-20	1988-10-20	画質改善装置

Publications (1)

Publication Number	Publication Date
KR920010031B1 true KR920010031B1 (en)	1992-11-13

Family

ID=17402912

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR8915086A Expired KR920010031B1 (en)	1988-10-20	1989-10-20	Picture quality improving apparatus

Country Status (3)

Country	Link
US (1)	US4984070A (ko)
JP (1)	JPH02111188A (ko)
KR (1)	KR920010031B1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5122876A (en) *	1988-12-26	1992-06-16	Canon Kabushiki Kaisha	Image signal restoring apparatus
US5268758A (en) *	1990-09-26	1993-12-07	Matsushita Electric Industrial Co., Ltd.	Horizontal line interpolation circuit and image pickup apparatus including it
FR2680619B1 (fr) *	1991-08-21	1993-12-24	Sgs Thomson Microelectronics Sa	Predicteur d'image.
US5345264A (en) *	1992-02-27	1994-09-06	Sanyo Electric Co., Ltd.	Video signal processing circuit for a video camera using a luminance signal
JP2001268521A (ja) *	2000-03-15	2001-09-28	Sony Corp	映像記録再生装置および方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1469101A (en) *	1973-03-23	1977-03-30	Dolby Laboratories Inc	Noise reduction systems
US4240106A (en) *	1976-10-14	1980-12-16	Micro Consultants, Limited	Video noise reduction
GB2102236B (en) *	1978-03-08	1983-06-08	Tokyo Broadcasting Syst	Noise reduction system for colour television signal
US4658285A (en) *	1985-09-30	1987-04-14	Rca Corporation	Video signal noise reduction apparatus
DE3854337T2 (de) *	1987-06-09	1996-02-01	Sony Corp	Bewegungskompensierte Interpolation von digitalen Fernsehbildern.

1988
- 1988-10-20 JP JP63264419A patent/JPH02111188A/ja active Pending
1989
- 1989-10-12 US US07/420,372 patent/US4984070A/en not_active Expired - Fee Related
- 1989-10-20 KR KR8915086A patent/KR920010031B1/ko not_active Expired

Also Published As

Publication number	Publication date
JPH02111188A (ja)	1990-04-24
US4984070A (en)	1991-01-08

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Legal Events

Date	Code	Title
1989-10-20	A201	Request for examination
1992-04-29	E902	Notification of reason for refusal
1992-10-15	G160	Decision to publish patent application
1993-01-26	E701	Decision to grant or registration of patent right
1994-03-26	NORF	Unpaid initial registration fee