The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 1995
Filed:
Jul. 26, 1993
Benedict C Ho, Waterloo, CA;
Thomas S Craig, Kitchener, CA;
NCR Corporation, Dayton, OH (US);
Abstract
A system for use in image recognition applications to reduce the processing demands on the associated Host Computer thus allowing for greater system throughput. Compressed image data is transmitted over a Small Computer System Interface (SCSI) for storage in a Multi-Purpose Buffer. The data may decompressed, byte-swapped, byte-flipped, or may be passed through the system unmodified as directed by the Host Computer. A Video Compression-Expansion Processor can handle a variety of data compression formats and receives data from the Multi-Purpose Buffer. Processed data which matches preprogrammed sets of window coordinates can be selectively cropped and stored in multiple First-In-First-Out (FIFO) buffers by Cropper Controller circuitry. The processed and cropped data is then sent to the Host Computer through a Micro-Channel Architecture (MCA) Interface Controller for further recognition processing by the Host Computer. A high data throughput rate is achieved by synchronizing data transfer among the components of the preprocessing system by use of the Multi-Purpose Buffer and a data window storage mechanism.