Recognition Equipment Incorp.

Robert V Pinney, Jr

Richard K Habitzreiter

Rodney K Guthmueller

Tony Clifton Thomas

Mark S Woolston

A video filter is provided for use in an image processing system wherein correlated video data is received by the video filter in a cellular format. The filter includes structure for simultaneously filtering at least four cells of the correlated video data.

Video filter for video format unit

A video compressor for use in an image processing system is provided. The compressor includes structure for detecting a data image pattern and for generating a code representing the detected data image pattern. A counter counts the number of times a data image pattern is detected and generates a repeat count. The code is stored in a fixed sized bit field. The repeat count is stored in a variable sized bit field. Structure is provided for merging the fixed sized bit field and the variable sized bit field into a continuous bit field.

Video compressor for video format unit

A video correlator is provided for use in an image processing system wherein video data representative of a document image or portions thereof is received in a gray level data format in which the image is composed of a plurality of cells for enhancing the black/white characterization of each cell. The correlator includes structure for comparing a cell's gray level data with the average gray level of a preselected number of surrounding cells. Structure is also provided for automatically selecting the number of surrounding cells for determining the average gray level.

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Fort Worth, TX, United States of America

Robert V Pinney, Jr