Circuit arrangement for enhancing the horizontal definition of a

Details Circuit arrangement for enhancing the horizontal definition of a Circuit arrangement for enhancing the horizontal definition of a

1989-02-16

1989-10-10

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358167, 358105, H04N 514

Patent

active

048735752

ABSTRACT:
The horizontal definition of an interlaced television signal sampled in anti-phase from picture to picture can be enhanced by using a selection circuit with which a signal sample located horizontally between two successive signal samples from the current field is obtained from three horizontally successive signal samples of two successive pictures, which signal sample can be added between these signal samples from the current field.

REFERENCES:
patent: 4217608 (1980-08-01), MacGregor et al.
patent: 4242705 (1980-12-01), Ebihara
patent: 4334237 (1982-06-01), Reitmeier et al.
patent: 4546386 (1985-10-01), Matsumoto et al.
patent: 4636862 (1987-01-01), Hatori et al.
patent: 4740842 (1988-04-01), Annegarn et al.
Arragon et al., "Transmission d'Images de Television a Haute definition", 27 Acta Electronica, 5-1985 pp. 20-32.

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