Information processing device and position information acquisition method
First Claim
1. An information processing device that acquires position information on an object from an image photographed by a stereo camera and performs information processing, comprising:
- a calibration unit configured to detect corresponding points from stereo images photographed from view points of left and right by the stereo camera and thereby perform calibration of the stereo camera; and
a position information acquisition unit configured to correct the stereo images obtained by photographing a moving picture of the object by the stereo camera and further detect the corresponding points to thereby derive a parallax on the basis of a result of the calibration, and acquire and output the position information on the object on the basis of the parallax,wherein the calibration unit repeats stepwise processing for presenting prescribed information and retrying the calibration in the order that is set on the basis of a low burden on a user in accordance with an unsuccess of the calibration and ends an operation in a stage in which the calibration is successful.
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Accused Products
Abstract
When a device is started up in the first time, for example, an initial image and various kinds of information are displayed and setting inputs are received. In parallel with the above, a photographed image is acquired and calibration is performed. At this time, first, if there is no need for measures by a user such as a direction of a camera is corrected, the calibration is performed. If the measures by the user are needed or the calibration is ended unsuccessfully, the stage number n is advanced by one, and the calibration is repeated while presenting information on the measures in the order of a low burden on the user.
15 Citations
11 Claims
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1. An information processing device that acquires position information on an object from an image photographed by a stereo camera and performs information processing, comprising:
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a calibration unit configured to detect corresponding points from stereo images photographed from view points of left and right by the stereo camera and thereby perform calibration of the stereo camera; and a position information acquisition unit configured to correct the stereo images obtained by photographing a moving picture of the object by the stereo camera and further detect the corresponding points to thereby derive a parallax on the basis of a result of the calibration, and acquire and output the position information on the object on the basis of the parallax, wherein the calibration unit repeats stepwise processing for presenting prescribed information and retrying the calibration in the order that is set on the basis of a low burden on a user in accordance with an unsuccess of the calibration and ends an operation in a stage in which the calibration is successful. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A position information acquisition method performed by an information processing device that acquires position information on an object from an image photographed by a stereo camera and performs information processing, comprising:
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detecting corresponding points from stereo images photographed from view points of left and right by the stereo camera and thereby performing calibration of the stereo camera; and correcting the stereo images obtained by photographing a moving picture of the object by the stereo camera and further detecting the corresponding points to thereby derive a parallax on the basis of a result of the calibration, and acquiring and outputting the position information on the object on the basis of the parallax, wherein the performing the calibration repeats stepwise processing for presenting prescribed information and retrying the calibration in the order that is set on the basis of a low burden on a user in accordance with an unsuccess of the calibration and ends an operation in a stage in which the calibration is successful.
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11. A non-transitory, computer readable storage medium containing a computer program, which when executed by a computer that acquires position information on an object from an image photographed by a stereo camera and performs information processing, causes the computer to carry out actions, comprising:
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detecting corresponding points from stereo images photographed from view points of left and right by the stereo camera and thereby performing calibration of the stereo camera; and correcting the stereo images obtained by photographing a moving picture of the object by the stereo camera and further detecting the corresponding points to thereby derive a parallax on the basis of a result of the calibration, and acquiring and outputting the position information on the object on the basis of the parallax, wherein performing the calibration repeats stepwise processing for presenting prescribed information and retrying the calibration in the order that is set on the basis of a low burden on a user in accordance with an unsuccess of the calibration and ends an operation in a stage in which the calibration is successful.
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Specification