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Electronic gimbal system for electronically aligning video frames from a video sensor subject to disturbances

  • US 5,438,361 A
  • Filed: 04/13/1992
  • Issued: 08/01/1995
  • Est. Priority Date: 04/13/1992
  • Status: Expired due to Term
First Claim
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1. An electronic gimbal system for stabilizing consecutive images from a sensor, said gimbal system comprising:

  • means for providing an input signal of a desirable scene;

    inertial sensor means for measuring an offset of the sensor relative to an inertial coordinate system;

    address look-up calculator means for receiving an offset signal from the inertial sensor means and aligning the input signal to the inertial coordinate system, said address look-up calculator means assigning address locations for the input signal and adjusting the address locations in accordance with the offset signal to correspond to the inertial coordinate system; and

    an input frame storage means for receiving the input signal and storing it as a two-dimensional array of pixel locations where each pixel location has a value, said input frame storage means being operable to output the array of pixel values to the address look-up calculator means.

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