Digital soft-edge video special effects generator

Details Digital soft-edge video special effects generator Digital soft-edge video special effects generator

1980-07-09

1982-10-26

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358182, H04N 522

Patent

active

043565115

ABSTRACT:
A digital soft-edge circuit for a video special effects generator switches rapidly between two input video signals during the transition from one video signal to another. The proportions of the two video signals are progressively varied through the transition region, the resulting mixed image, when integrated by the eye of the observer, provides a soft-edged transition from one video signal to the other.

REFERENCES:
patent: 3530234 (1970-09-01), Fenton
patent: 3757041 (1973-09-01), Thorpe et al.
patent: 3821468 (1974-06-01), Busch
patent: 3989888 (1976-11-01), Busch et al.
Architecture and Applications of a 12 Bit CMOS Microprocessor; Thomas, PROC. IEEE, vol. 64, No. 6, Jun. 66 (pp. 873-881).
A Prospective on Microcomputer Software, Bass and Brown, PROC. IEEE, vol. 64, No. 6, Jun. 66 (pp. 905-909).

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