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.

Date of Patent:
Aug. 13, 2019

Filed:

Sep. 18, 2018
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Masaaki Kobayashi, Chofu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 11/02 (2006.01); H04N 19/124 (2014.01); H04N 19/176 (2014.01); H04N 19/119 (2014.01); H04N 19/96 (2014.01); H04N 19/463 (2014.01); H04N 19/136 (2014.01); H04N 19/60 (2014.01); H04N 19/196 (2014.01);
U.S. Cl.
CPC ...
H04N 19/124 (2014.11); H04N 19/119 (2014.11); H04N 19/136 (2014.11); H04N 19/176 (2014.11); H04N 19/196 (2014.11); H04N 19/463 (2014.11); H04N 19/60 (2014.11); H04N 19/96 (2014.11);
Abstract

An image coding method for an image coding apparatus configured to divide an image into divisional blocks of a plurality of sizes and to perform coding on the image while controlling image quality according to a parameter value in units of divisional blocks includes acquiring a block size of a target block to be coded, acquiring a minimum block size used to control the parameter value, acquiring a state of division of the target block, acquiring the parameter value, determining whether the target block is divided according to the state of division of the target block, determining whether the block size of the target block is greater than or equal to the minimum block size, determining whether the block size of the target block is equal to the minimum block size, and coding the acquired parameter value.


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