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. 04, 1996
Filed:
Jun. 06, 1995
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An image processing device including a blocking section for dividing an input image into a plurality of blocks each consisting of N1.times.N2 (N1, N2: positive integers) picture elements; a block attribute determining section for determining an attribute of each block, the attribute being defined as one of a flat portion having substantially no density variation in each block, a semi-flat portion having a binary density distribution in each block, and an edge portion having a steep density variation in each block; a first coding section for coding each block of the flat portion; a second coding section for coding each block of the semi-flat portion; a third coding section for predictively coding the picture elements in each block of the edge portion; a fourth coding section for coding the attribute determined by the block attribute determining section; and a code assembling section for assembling codes obtained by the first to fourth coding sections. Accordingly, an image quality, compression rate, processing time, etc. can be further improved.