Circuit arrangement for detecting motion in a television picture

Details Circuit arrangement for detecting motion in a television picture Circuit arrangement for detecting motion in a television picture

1986-07-15

1987-08-18

Masinick, Michael A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358136, 358166, H04N 718

Patent

active

046880895

ABSTRACT:
To detect horizontally moving portions of a TV frame formed from two adjacent fields, the vertical local frequency at a vertical edge of the moving portion of the picture is measured with a narrow-band-pass filter circuit which is tuned to the local frequency of the comblike structure at ta vertical edge of staggered lines of the two fields of the frame. When such an edge structure is detected, the circuit delivers a detection signal.

REFERENCES:
patent: 3890462 (1975-06-01), Limb et al.
patent: 4090221 (1978-05-01), Connor
patent: 4232338 (1980-11-01), Netravali et al.
patent: 4296436 (1981-10-01), Achiha
patent: 4307420 (1981-12-01), Ninomiya et al.
patent: 4539594 (1985-09-01), Illetschko
patent: 4626891 (1986-12-01), Achiha
patent: 4636862 (1987-01-01), Hatori et al.

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