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:
Feb. 11, 2003
Filed:
Sep. 30, 1997
Tetsujiro Kondo, Kanagawa, JP;
Kunio Kawaguchi, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
To compress images using transition information of adjacent pixels, index transition patterns of two adjacent pixels in the horizontal scanning direction of an image are computed and arranged in order of appearance frequency, then patterns within the upper four appearance frequencies are selected to create a reference table. Then, with reference to the created reference table, image data are encoded. When decoding the encoded data, at first data from both the reference table and the color look-up table is inputted and stored in the table and the color look-up table After this, the first data of the subsequent input data is supplied to both the color look-up table and the delay circuit by changing over the connection of the switch Subsequent data is supplied to the table The table decodes the data to original image data with reference to the data and the output from the delay circuit The color look-up table then converts the decoded data to R, G, and B signals and output the signals.