| US 7,511,734 B2 | ||
| Monitoring apparatus and method of displaying bird's-eye view image | ||
| Nobuyuki Ozaki, Nishitokyo (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan) | ||
| Filed on Feb. 15, 2005, as Appl. No. 11/57,628. | ||
| Claims priority of application No. 2004-229945 (JP), filed on Aug. 05, 2004. | ||
| Prior Publication US 2006/0029255 A1, Feb. 09, 2006 | ||
| Int. Cl. H04N 7/18 (2006.01) | ||
| U.S. Cl. 348—148 [348/143] | 12 Claims |
| 1. A monitoring apparatus comprising:
at least one of fish-eye camera mounted on a moving body, to image a fish-eye image around the moving body;
a dewarping unit configured to convert at least part of the fish-eye image obtained by the fish-eye camera into a two-dimensional
image using a dewarping parameter;
a conversion parameter calculation unit configured to calculate a conversion parameter for obtaining a bird's-eye view image
from the two-dimensional image, showing an image from a hypothetical position looking down on the moving body;
a bird's-eye view image creation unit configured to create a bird's-eye view image by sequentially fetching position data
corresponding to each pixel of the bird's-eye view image using the conversion parameter and the dewarping conversion parameter;
and
a display device to display the bird's-eye view image created by the image creation unit.
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