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System and method for autonomous object tracking

  • US 7,907,750 B2
  • Filed: 06/12/2006
  • Issued: 03/15/2011
  • Est. Priority Date: 06/12/2006
  • Status: Active Grant
First Claim
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1. A tracking system for autonomously tracking an object comprising:

  • a processor module connected to a display screen;

    a camera module connected to the processor module; and

    an actuator mechanism connected to the camera module;

    wherein the camera module comprises a depth determining capability; and

    wherein the processor module comprises;

    an image processor for receiving an image from the camera module;

    a state estimator for receiving a depth signal from the camera module, the state estimator connected to the image processor; and

    a controller connected to the state estimator and the actuator mechanism; and

    wherein the image processor provides a pixel position, an image center measurement, and size signal to the state estimator and the state estimator provides position, velocity, and acceleration signals to the controller such that the controller may actuate the actuator mechanism to manipulate the camera module and autonomously track the object, maintaining the image center at the center of the display screen; and

    wherein the camera module comprises a scanning ladar; and

    the ladar is for providing depth and displacement information of the tracked object.

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