| 摘要 |
<p>The distortion of an image is corrected with high efficiency and accuracy. An image processor has a storage section (1) for storing the coordinate (pre-correction coordinate) of the coordinate system of a pre-correction image (P1) corresponding to each pixel of the coordinate system of a post-correction image (P2), a coordinate output section (2) for, when a coordinate value for selecting each of the pixels of the post-correction image (P2) is inputted, reading the pre-correction coordinate corresponding to the coordinate value from the storage section (1) to output it, a pixel data output section (3) for outputting the data of the pre-correction image (P1) corresponding to the pre-correction coordinate outputted from the coordinate output section (2) as the data of the pixels of the post-correction image (P2) corresponding to the pre-correction coordinate, and a pixel data computing section (4) for, if the pre-correction coordinate outputted from the coordinate output section (2) includes a number after a decimal point, outputting the data of the pixels of the post-correction image (P2) corresponding to the pre-correction coordinate by computing the weighted average on the basis of the data of the neighborhood plural pixels of the pre-correction coordinate in the pre-correctionimage (P1).</p> |
