Method and device for bordering, in digital optical image format

Details Method and device for bordering, in digital optical image format Method and device for bordering, in digital optical image format

1992-03-06

1994-03-08

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Special effects

345144, H04N 5265

Patent

active

052932354

ABSTRACT:
For every point of an image in a special effects digital optical image formation method and apparatus the value of a border key signal is obtained by conducting a search for the maximum value of the subject's key signal in an analysis window centered on this point. The subject's key signals of the points in the window are delayed so as to make them simultaneous and are supplied to the same comparator which may be controlled in order to inhibit some of its inputs so as to define, for example, a circular analysis window; such a process makes it possible to obtain a regular border.

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Patent Abstracts of Japan, vol. 9, No. 214(P-384)[1937], Aug. 31, 1985, & JP-A-60 073 788, Apr. 25, 1985, K. Ochiai, "Vector Signal Occurrence Method".
IEEE Transaction on Computers, vol. 24, No. 10, Oct. 1975, pp. 983-988, A. K. Agrawala, "On Generating a Line Parallel to a Digital Line-A Sequential Approach".

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