Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1989-02-23
1990-03-27
Shepperd, John W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 12, 358 37, 358 96, 358166, 358138, H04N 5208, H04N 700
Patent
active
049125567
ABSTRACT:
There is provided an apparatus for compensating a contour of a television signal in a TV signal processing apparatus in which a predetermined control signal including a field interpolation control signal to control an interpolating method when reconstructing by an interpolation an image signal which was band compressed by the sub-Nyquist sampling is time sharingly multiplexed for a blanking period, wherein a signal of a still area processed by a still image system processing circuit and a signal of an animation area processed by an animation image system processing circuit are mixed by a mixing circuit every pixel, when the mixed signal is used as an input signal to the subsequent circuits, the OR of the binary signal of the movement amount and the field interpolation control signal transmitted from the transmission side is calculated, the still and animation areas are distinguished by the OR signal, and a contour is emphasized by a two-dimensional contour compensating circuit for the signal in the animation area.
REFERENCES:
patent: 4090221 (1978-05-01), Connor
patent: 4551753 (1985-11-01), Nishizawa et al.
patent: 4706113 (1987-11-01), Ito et al.
patent: 4716462 (1987-12-01), Wargo et al.
patent: 4745458 (1988-05-01), Hirano et al.
patent: 4745459 (1988-05-01), Ninomiya et al.
"HD-TV Broadcasting System Using Single Channel Satellite (MUSE)", Television Society Technical Report, TEBS 95-2, Nippon Hoso Kyokai.
Hirauchi Yoshio
Izumi Yoshinori
Ninomiya Yuichi
Ohtsuka Yoshimichi
Matsushita Electric - Industrial Co., Ltd.
Nippon Hoso Kyokai
Parker Michael D.
Shepperd John W.
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