Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1990-07-30
1992-10-13
Shepperd, John W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
H04N 978
Patent
active
051555824
ABSTRACT:
A dot crawling interference elimination device and a color subcarrier vertical correlation detection device, which comprise a color subcarrier vertical correlation detection device for a video signal, an adaptive three-dimensional Y/C separation unit, and an adaptive notch filter of a color signal band, detect vertical correlation of a color subcarrier in a non-standard signal, such as a signal reproduced from a home VCRs or a special signal reproduced from an optical VDP system, that does not strictly meet the standards of the NTSC system or the PAL system, thereby to discriminate non-standard characteristics of the signal, and eliminate a color signal component, which mixes into a luminance signal when a motion-adaptive Y/C separation is carried out for the non-standard signal, by using an adaptive notch filter that suits a non-standard state of the input image signal.
REFERENCES:
patent: 4072984 (1978-02-01), Kaiser
patent: 4509072 (1985-04-01), Elmis et al.
patent: 4635099 (1987-01-01), Nicholson et al.
patent: 4635104 (1987-01-01), Hausdorfer
patent: 4777522 (1988-10-01), Parish et al.
Imai Kiyoshi
Ishizu Atsushi
Tokoi Masaki
Matsushita Electric - Industrial Co., Ltd.
Shepperd John W.
LandOfFree
Dot crawling interference elimination device and color subcarrie does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dot crawling interference elimination device and color subcarrie, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dot crawling interference elimination device and color subcarrie will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1305314