GB2239372B - A method for removing residual chrominance signals in a comb-filtered luminance signal - Google Patents

A method for removing residual chrominance signals in a comb-filtered luminance signal

Info

Publication number
GB2239372B
GB2239372B GB9020810A GB9020810A GB2239372B GB 2239372 B GB2239372 B GB 2239372B GB 9020810 A GB9020810 A GB 9020810A GB 9020810 A GB9020810 A GB 9020810A GB 2239372 B GB2239372 B GB 2239372B
Authority
GB
United Kingdom
Prior art keywords
comb
luminance signal
removing residual
chrominance signals
filtered luminance
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.)
Expired - Lifetime
Application number
GB9020810A
Other versions
GB9020810D0 (en
GB2239372A (en
Inventor
Heinz Hess
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips GmbH
Original Assignee
BTS Broadcast Television Systems GmbH
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.)
Filing date
Publication date
Application filed by BTS Broadcast Television Systems GmbH filed Critical BTS Broadcast Television Systems GmbH
Publication of GB9020810D0 publication Critical patent/GB9020810D0/en
Publication of GB2239372A publication Critical patent/GB2239372A/en
Application granted granted Critical
Publication of GB2239372B publication Critical patent/GB2239372B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
GB9020810A 1989-09-25 1990-09-25 A method for removing residual chrominance signals in a comb-filtered luminance signal Expired - Lifetime GB2239372B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893931904 DE3931904C2 (en) 1989-09-25 1989-09-25 Process for eliminating residual chrominance signals

Publications (3)

Publication Number Publication Date
GB9020810D0 GB9020810D0 (en) 1990-11-07
GB2239372A GB2239372A (en) 1991-06-26
GB2239372B true GB2239372B (en) 1992-12-09

Family

ID=6390117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9020810A Expired - Lifetime GB2239372B (en) 1989-09-25 1990-09-25 A method for removing residual chrominance signals in a comb-filtered luminance signal

Country Status (3)

Country Link
BE (1) BE1004595A6 (en)
DE (1) DE3931904C2 (en)
GB (1) GB2239372B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343262A1 (en) * 1983-11-30 1985-06-05 Robert Bosch Gmbh, 7000 Stuttgart METHOD AND ARRANGEMENT FOR SUPPRESSING INTERFERENCE IN THE LUMINOUS DENSITY CHANNEL OF A COLOR TELEVISION DECODER
DE3524532A1 (en) * 1985-07-10 1987-01-22 Bosch Gmbh Robert Method and circuit for reducing the chrominance cross-talk in a colour television encoder or luminance cross-talk in a colour television decoder
US4682213A (en) * 1985-10-24 1987-07-21 Rca Corporation Magnitude independent hanging dot detector
US4656501A (en) * 1985-10-31 1987-04-07 Rca Corporation Image transition detector
DE3644400A1 (en) * 1986-12-24 1988-07-07 Bosch Gmbh Robert Circuit for reducing cross-colour
US4814863A (en) * 1987-06-09 1989-03-21 Matsushita Electric Industrial Co., Ltd. Detection and concealing artifacts in combed video signals

Also Published As

Publication number Publication date
GB9020810D0 (en) 1990-11-07
DE3931904C2 (en) 1994-10-27
GB2239372A (en) 1991-06-26
DE3931904A1 (en) 1991-04-04
BE1004595A6 (en) 1992-12-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960925