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. 07, 2009
Filed:
Jan. 20, 2004
Haomin Jin, Fuchu, JP;
Kazuaki Iwamura, Nishitokyo, JP;
Nobuhiro Ishimaru, Tokyo, JP;
Takashi Hino, Yokohama, JP;
Yoshiaki Kagawa, Yokohama, JP;
Haomin Jin, Fuchu, JP;
Kazuaki Iwamura, Nishitokyo, JP;
Nobuhiro Ishimaru, Tokyo, JP;
Takashi Hino, Yokohama, JP;
Yoshiaki Kagawa, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Software Engineering Co., Ltd., Tokyo, JP;
Abstract
To provide a map generation device according to the present invention which extracts a polygon shape of a building having a complex upper portion structure from a wide area image. The map generation device includes an image appointment unit that receives appointment of at least one position in a building existing within an aerial photograph, a polygon extraction unit that extracts a building region based on a result of discriminating a color around the appointed position and extracts a polygon line of the building region, and a vector generation unit that generates a vector of the polygon line of the building region.