Position information obtaining device and method, and image display system
AssigneeRicoh Company, Ltd.
InventorHideki Sugimoto
Life of this patent
Estimating the term…
Abstract
A position information obtaining device and a position information obtaining method are provided. Each of the position information obtaining device and the position information obtaining method captures images to which a light pointer is directed and on which a light spot is formed, in chronological order, and estimates position information of a specified position on the images specified by the light pointer using a plurality of pieces of image information obtained from the captured image.
Claims20
A position information obtaining device comprising:
- imaging means for capturing images to which a light pointer is directed and on which a light spot is formed, in chronological order;
- and
- position information obtaining means for estimating position information of a specified position on the images specified by the light pointer using a plurality of pieces of image information obtained from the captured images.
A position information obtaining device comprising:
- a processor configured to:
- obtain images captured by an imaging device in chronological order, the imaging device capturing the images to which a light pointer is directed and on which a light sport is formed;
- and
- estimate position information of a specified position on the images specified by the light pointer using a plurality of pieces of image information obtained from the captured images.
A method of obtaining position information of a specified position on an image, the method comprising:
- capturing images to which a light pointer is directed and on which a light spot is formed, in chronological order;
- and
- estimating the position information of the specified position on an image specified by using the light pointer using to a plurality of pieces of image information obtained from the captured image.
Dependencies are inferred from the claim text.