The image correction device and the amendment image generation method, the amendment table generation device, the amendment table generation method, geometry amendment the amendment table generator program and the amendment

摘要

An image correcting device includes an image input section, image storage section, correction table storage section, geometry correcting section subjecting an input image to geometrical correction based on a correction table, and image output section outputting the input image as a corrected image. The table is created by: calculating a pair of angles (¸, 08 ) corresponding to each pixel position on the output image as the corrected image; calculating a light direction based on an intersection line between a plane obtained by rotating a YZ plane by angle ¸ about Y axis and that by rotating an XZ plane by angle 08 about X axis, in three dimensional Cartesian coordinate system with origin at a projection center of the input image; calculating a position on the input image corresponding to the light direction, as a resampling position; and associating the resampling position with the pixel position on the output image.