BACKGROUND IMAGE GENERATION APPARATUS
First Claim
1. A background image generation apparatus, comprising:
- a mobile body detection unit for detecting position information of a mobile body existing in a predetermined measurement area by using radar;
a mobile body nonexistence zone identification unit for identifying a zone in which the mobile body does not exist within the measurement area on the basis of the position information of the mobile body detected by the mobile body detection unit;
an image information obtainment unit for obtaining the image information of the measurement area synchronously with the detection process of the mobile body performed by the mobile body detection unit; and
a background image generation unit for generating the background information of the measurement area from both the image information obtained by the image information obtainment unit and the information identified by the mobile body nonexistence zone identification unit.
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Abstract
The information of a detection area is obtained by using radar, the information is sent to a mobile body detection unit, the position of a mobile body existing within the detection area is detected, a zone excluding a predetermined range surrounding the mobile body is identified by using a nonexistence zone identification unit, the information of the detection area at the time is obtained, a zone which does not include a mobile body is accurately generated by a background image generation unit, then the information of the detection area is obtained by a camera, and the difference between the generated background image and the aforementioned information is detected by a difference process unit; thereby an accurate position of the mobile body is detected.
14 Citations
12 Claims
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1. A background image generation apparatus, comprising:
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a mobile body detection unit for detecting position information of a mobile body existing in a predetermined measurement area by using radar; a mobile body nonexistence zone identification unit for identifying a zone in which the mobile body does not exist within the measurement area on the basis of the position information of the mobile body detected by the mobile body detection unit; an image information obtainment unit for obtaining the image information of the measurement area synchronously with the detection process of the mobile body performed by the mobile body detection unit; and a background image generation unit for generating the background information of the measurement area from both the image information obtained by the image information obtainment unit and the information identified by the mobile body nonexistence zone identification unit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A background image generation apparatus, comprising:
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a mobile body detection unit for detecting position information of a mobile body existing in a predetermined measurement area by using radar; an image information obtainment unit for obtaining the image information of the measurement area synchronously with the detection process of the mobile body performed by the mobile body detection unit; a background image setup unit for setting image information obtained by the image information obtainment unit as background information if the mobile body is not detected by the mobile body detection unit within the measurement area; a mobile body detection unit for performing a differentiation process between a background image and a new image within the measurement area that is obtained by the image information obtainment unit, thereby extracting a mobile body existing in the measurement area.
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9. A background image generation method, comprising:
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a mobile body detection process for detecting position information of a mobile body existing in a predetermined measurement area by using radar; a mobile body nonexistence zone identification process for identifying a zone in which the mobile body does not exist within the measurement area, on the basis of the position information of the mobile body detected by the mobile body detection process; an image information obtainment process for obtaining the image information of the measurement area synchronously with the detection process of the mobile body performed by the mobile body detection process; and a background image generation process for generating the background information of the measurement area from both the image information obtained by the image information obtainment process and the image information identified by the mobile body nonexistence zone identification process. - View Dependent Claims (10)
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11. A computer readable medium, comprising:
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a mobile body detection process for detecting position information of a mobile body existing in a predetermined is measurement area on the basis of information measured by using radar; a mobile body nonexistence zone identification process for identifying a zone in which the mobile body does not exist within the measurement area, on the basis of the position information of the mobile body detected by the mobile body detection process; an image information obtainment process for obtaining the image information of the measurement area synchronously with the detection process of the mobile body performed by the mobile body detection process; and a background image generation process for generating the background information of the measurement area from both the image information obtained by the image information obtainment process and the image information identified by the mobile body nonexistence zone identification process. - View Dependent Claims (12)
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Specification