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. 14, 2015
Filed:
Feb. 27, 2013
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Tsukasa Kudo, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An image expansion apparatus includes a second order differential circuit, a multi-valued processing unit, a first determination unit, a selection unit, and an interpolation processing unit. The first determination unit compares respectively a plurality of fixed patterns, which is each assigned with an interpolation direction in accordance with an outline shape of an image, with spatial dispersion of an output of the multi-valued processing unit. The first determination unit determines a fixed pattern corresponding to the output. The first determination unit determines an interpolation direction assigned to the fixed pattern as a candidate of an interpolation direction for the outline shape. The selection unit selects an interpolation direction of a plurality of candidates of the interpolation direction for the outline shape. The interpolation processing unit generates an interpolation pixel to determine the pixel for the interpolation based on the interpolation direction selected by the selection unit.
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