Patent №
US 4,430,748
Granted
1984-02-07
Filed 1981
Owner
XEROX CORPORATION, A CORP. OF N.Y.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
06304429
An image thresholding system employing a ROM look up table to make threshold decisions. A plurality of shift registers are used to convert a digital pixel input which includes the pixel to be processed to an address for use in addressing the ROM look up table to provide a thresholded value for the pixel being processed. The output of the ROM look up table is utilized, together with other pixels from the pixel input, to address a second ROM look up table to provide a further refined threshold decision.
AI classification
Ownership
XEROX CORPORATION, A CORP. OF N.Y.
assignment · 39280661
Assignors
TUHRO, RICHARD H., WIGGINS, DOUGLAS G.
On an employer assignment, the assignors are typically the inventors.