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. 28, 2020
Filed:
Oct. 17, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Koji Togita, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A frequency transformation unit executes discrete wavelet transformation processing on image data, quantizes the output of sub-bands of each component using a quantization unit, and performs entropy coding using a coding unit. If a total code amount of the image data that has been coded exceeds a maximum value that has been set, an overflow control unit replaces the coded data with copy data obtained by coding 0 in order from sub-bands having the lowest priority, until the total code amount is less than or equal to the maximum value.
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