Synchronizing active illumination cameras
First Claim
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1. A system for controlling operation of a plurality of active illumination cameras, the system comprising:
- a hub configured to communicate with mobile communication devices and comprising a database comprising a list of active illumination cameras subscribed to the system that are configured to communicate with the hub and a server configured to process communications between the hub and the active illumination cameras subscribed to the system;
a first active illumination camera from the active illumination cameras subscribed to the system, the first active illumination camera configured to image one or more objects in a scene;
a second active illumination camera from the active illumination cameras subscribed to the system, the second active illumination camera configured to image the one or more objects in the scene,the hub further configured to determine that an operation of the first active illumination camera would interfere with an operation of the second active illumination camera, andbased on the determination that the operation of the first active illumination camera would interfere with an operation of the second active illumination camera the second active illumination camera communicates with the hub to establish a time division multiplexing (TDM) imaging mode of operation in which at any one time, only the first active illumination camera or the second active illumination camera operates to image the one or more objects in the scene.
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Abstract
Apparatus for controlling a plurality of active illumination cameras to operate in a time division multiplexed operating mode to acquire images of scenes that the cameras image.
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Citations
20 Claims
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1. A system for controlling operation of a plurality of active illumination cameras, the system comprising:
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a hub configured to communicate with mobile communication devices and comprising a database comprising a list of active illumination cameras subscribed to the system that are configured to communicate with the hub and a server configured to process communications between the hub and the active illumination cameras subscribed to the system; a first active illumination camera from the active illumination cameras subscribed to the system, the first active illumination camera configured to image one or more objects in a scene; a second active illumination camera from the active illumination cameras subscribed to the system, the second active illumination camera configured to image the one or more objects in the scene, the hub further configured to determine that an operation of the first active illumination camera would interfere with an operation of the second active illumination camera, and based on the determination that the operation of the first active illumination camera would interfere with an operation of the second active illumination camera the second active illumination camera communicates with the hub to establish a time division multiplexing (TDM) imaging mode of operation in which at any one time, only the first active illumination camera or the second active illumination camera operates to image the one or more objects in the scene. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of imaging a scene using a plurality of active illumination cameras, the method comprising:
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establishing a wireless local area network (WLAN) over which the plurality of active illumination cameras communicate; causing, by one or more processors, a first active illumination camera from the plurality of active illumination cameras to image one or more objects in a scene; causing, by the one or more processors, a second active illumination camera from the plurality of active illumination cameras to image the one or more objects in the scene, determining that an operation of the first active illumination camera would interfere with an operation of the second active illumination camera, and based on the determination that the operation of the first active illumination camera would interfere with the operation of the second active illumination camera, establishing, by the one or more processors, a time division multiplexing (TDM) imaging mode of operation in which at any one time, only the first active illumination camera or the second active illumination camera in the imaging neighbourhood operates to image the one or more objects in the scene.
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Specification