Image-taking apparatus and image processing method
First Claim
1. An image-taking apparatus capable of taking a fisheye image, comprising:
- an image-pickup element which photoelectrically converts the fisheye image;
a transforming section which performs projective transformation processing of fisheye image data obtained by using the image-pickup element into perspective projection image data; and
a vibration detecting section which obtains vibration information about vibrations applied to the image-taking apparatus,wherein the transforming section shifts a transformation area which is subjected to the projective transformation processing in the fisheye image data based on the vibration information obtained at the vibration detecting section, and the vibration detecting section is integrated with the image-pickup element.
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Abstract
An image-taking apparatus is disclosed which transforms a fisheye image into a perspective projection image and allows appropriate correction of image fluctuations with a reduced load of operation. The image-taking apparatus has an image-pickup element which photoelectrically converts a fisheye image and a transforming section which performs projective transformation processing of fisheye image data obtained by using the image-pickup element into perspective projection image data. The image-taking apparatus has a vibration detecting section which obtains vibration information about vibrations. The transforming section shifts a transformation area which is subjected to projective transformation processing in the fisheye image data based on the vibration information.
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Citations
7 Claims
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1. An image-taking apparatus capable of taking a fisheye image, comprising:
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an image-pickup element which photoelectrically converts the fisheye image; a transforming section which performs projective transformation processing of fisheye image data obtained by using the image-pickup element into perspective projection image data; and a vibration detecting section which obtains vibration information about vibrations applied to the image-taking apparatus, wherein the transforming section shifts a transformation area which is subjected to the projective transformation processing in the fisheye image data based on the vibration information obtained at the vibration detecting section, and the vibration detecting section is integrated with the image-pickup element. - View Dependent Claims (2, 3, 4)
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5. A method of image processing in an image-taking apparatus capable of taking a fisheye image, comprising:
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a transformation step, by a transforming section, of performing projective transformation processing of fisheye image data into perspective projection image data; and a vibration detection step, by a vibration detecting section, of obtaining vibration information about vibrations applied to the image-taking apparatus based on the fisheye image obtained from an image-pickup element which photoelectrically converts the fisheye image, wherein a transformation area which is subjected to the projective transformation processing in the fisheye image data is shifted on the basis of the vibration information obtained at the vibration detection step in the transformation step, and the vibration detecting section is integrated with the image-pickup element. - View Dependent Claims (6, 7)
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Specification