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:
Jul. 01, 2003

Filed:

Nov. 24, 1999
Applicant:
Inventors:

Toshiyasu Nakao, Tokyo, JP;

Atsushi Kashitani, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/32 ; G06K 9/36 ; H04N 7/18 ; H04N 1/302 ;
U.S. Cl.
CPC ...
G06K 9/32 ; G06K 9/36 ; H04N 7/18 ; H04N 1/302 ;
Abstract

When compositing a plurality of acquired partial images, the effects of differences in viewpoint contained in the partial images can be reduced, and a high quality wide-viewfield image is inputted. An image input apparatus for photographing parts of a field to be photographed while altering the photographic direction by rotating a camera, projecting a plurality of partial images of the field to be photographed which are obtained onto a projection surface, and based on the results of this projection, conducting compositing on a composite image surface, and inputting the composite image, wherein is provided an image compositing mechanism , which employs the rotational center of the camera as the center of projection during the compositing of the plurality of partial images, and which employs, as the projection point of a pixel of a partial image, the intersection point between the projection surface which is established in space and a straight line, which is parallel to a straight line connecting the viewpoint of the camera and the pixel in the partial image in an image plane formed by the plurality of partial images, and which passes through the rotational center of the camera.


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