Automatic Camera Ground Plane Calibration Method and System
First Claim
Patent Images
1. A surveillance camera system, comprising:
- one or more surveillance cameras that capture images of scenes; and
one or more calibration systems that automatically generate ground planes from the captured images from the surveillance cameras.
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Abstract
A surveillance camera system and method is disclosed. The system includes one or more surveillance cameras that capture images of scenes, and one or more calibration systems that automatically generate ground planes from the captured images from the surveillance cameras. Foreground objects in the scenes are then analyzed against the ground planes to determine whether the ground planes may require updating and/or recalculation.
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20 Claims
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1. A surveillance camera system, comprising:
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one or more surveillance cameras that capture images of scenes; and one or more calibration systems that automatically generate ground planes from the captured images from the surveillance cameras. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for configuring a surveillance camera system, the method comprising:
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one or more surveillance cameras capturing images of scenes; and automatically generating ground planes from the captured images from the surveillance cameras. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A surveillance camera, comprising:
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local storage of images captured by the surveillance camera; and a calibration system that automatically generates a ground plane from the captured images;
orA surveillance camera system, comprising; one or more surveillance cameras that capture images of scenes; and an ambiguity detector module that compares foreground objects against ground planes to determine ranges and estimated heights or sizes of the foreground objects, detects ambiguities in the foreground objects that suggest errors in the ground planes, based upon the ranges and the estimated heights or sizes of the foreground objects, and determines whether to update the ground planes based upon the determined ambiguities in the foreground objects;
orA method for a surveillance camera system, the method comprising; one or more surveillance cameras capturing images of scenes; generating ground planes from the captured images from the surveillance cameras; and determining ambiguities in foreground objects relative to the ground planes.
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Specification