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:
Dec. 10, 2019
Filed:
Feb. 06, 2019
Seiko Epson Corporation, Tokyo, JP;
Masakazu Isomura, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An image coding device for coding block data each including a plurality of pixels by selecting, for each block data, one of a lossy mode and a lossless mode in which coding includes use of a dictionary with different colors each registered in a corresponding one of p (p is a natural number) dictionary indexes, the image coding device including: an irreversible coding unit configured to perform coding in the lossy mode in a case where the number of unregistered colors is greater than a reference value, q (q is a number identical to the p) colors most recently coded in the lossless mode in a case where the number of unregistered colors is less than or equal to the reference value.