Patent ID: 6587597
Filing Date: 2003-07-01
Classification: H04N

Abstract:
An image input method for inputting a wide-viewfield composite image by photographing parts of a field to be photographed while changing the photographing direction by rotating a camera which is supported in a rotatable manner, projecting the plurality of partial images of the field to be photographed acquired in this manner onto a projection surface, and based on the results of this projection, conducting compositing on a composite image plane,wherein, during the compositing of said plurality of partial images, the center of rotation of said camera is used as the center of the projection, and the intersection point between said projection surface established in space and a straight line, which is parallel to a straight line connecting the viewpoint of said camera and a pixel in a partial image in an image plane formed by said plurality of partial images, and which passes through the rotational center of said camera, is employed as the projection point of said pixel in said partial image.