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:
Apr. 30, 2013

Filed:

Jul. 22, 2010
Applicant:

Koji Washio, Hachioji, JP;

Inventor:

Koji Washio, Hachioji, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/00 (2006.01); G06K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a threshold matrix generating device including a basic dot pattern generating unit for obtaining a basic dot pattern by carrying out a filter process by a convolution filter to an initial dot pattern in which dots are arbitrarily arranged, by obtaining a dot density of the dots included in the initial dot pattern and by repeating a process of moving dots to a pixel in which the dot density is smallest from a pixel in which the dot density is greatest and a threshold setting unit for generating a threshold matrix of a FM screen by increasing or decreasing dots from the basic dot pattern and by repeating a process of setting a threshold to a pixel in which the dots are increased or decreased, and the threshold matrix has a shape which is to be arranged in an oblique direction by having an angle.


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