Self-timed two-dimensional filter

Details Self-timed two-dimensional filter Self-timed two-dimensional filter

1996-05-08

1998-05-12

Lee, Thomas D.

Image analysis

Image enhancement or restoration

Image filter

382254, 358448, 358456, G06K 900

Patent

active

057518629

ABSTRACT:
A filter for filtering digital image data includes a timing circuit to convert received line sync signal and a received page sync signal to a new line sync signal and a new page sync signal and a N.times.M filter to filter digital data based on the new line sync signal, the new video valid signal and the new page sync signal. N is a value representing a filter dimension in a slow scan direction, and M is a value representing a filter dimension in a fast scan direction. The timing circuit causes the self-timed image processing device to output (N-1)/2 scanlines of unfiltered digital image data after the received page sync signal indicates an end of an input page.

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