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:
Apr. 22, 2014
Filed:
Apr. 12, 2012
Masayuki Hiromoto, Osaka, JP;
Masayuki Hiromoto, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An image compression device which compresses image data, including: a first quantization unit which performs a quantization modeto quantize pixel values using two values Aand B(A<B), in one range defined by Aand B; a second quantization unit which performs a quantization modeto quantize the pixel values using two values Aand B(A>B), in two ranges defined by Aand B; and a compressed data generation unit which generates compressed data including a value A, a value B, and quantized values of the pixel values quantized in a selected quantization mode, wherein the compressed data generation unit generates the compressed data using: Aand Bas A and B, respectively, when the quantization modeis selected; and Aand Bas A and B, respectively, when the quantization modeis selected.
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