Image interpolating circuit

Details Image interpolating circuit Image interpolating circuit

1994-12-13

1998-08-18

Couso, Yon J.

Image analysis

Image transformation or preprocessing

Changing the image coordinates

382298, H04N 942

Patent

active

057968780

ABSTRACT:
An image interpolating circuit for producing pixel information of an interpolation line located between first and second scanning lines by using pixel information of the first and second scanning lines. A detecting circuit is provided for detecting an oblique edge pattern by using the pixel information of the first and second scanning lines, and an interpolation signal producing circuit is provided for setting the number of pixels of the interpolation scanning line to be larger than the number of pixels of the first and second scanning lines and for producing the pixel information for the interpolation line in accordance with a detection output of the detecting circuit.

REFERENCES:
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patent: 4360883 (1982-11-01), Ejiri et al.
patent: 4771471 (1988-09-01), Kitamura
patent: 4837562 (1989-06-01), Nishiura et al.
patent: 4891702 (1990-01-01), Nakayama et al.
patent: 4987489 (1991-01-01), Hurley et al.
patent: 5014129 (1991-05-01), Imanishi
patent: 5019903 (1991-05-01), Dougall et al.
patent: 5166794 (1992-11-01), Tanaka

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