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METHOD OF AUTOMATICALLY CALIBRATING A VISUAL PARAMETER FOR AN IMAGING DEVICE

  • US 20110261208A1
  • Filed: 04/27/2010
  • Published: 10/27/2011
  • Est. Priority Date: 04/27/2010
  • Status: Active Grant
First Claim
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1. A method of automatically calibrating a visual parameter for an imaging device, comprising:

  • pre-determining a ratio of visual parameter difference to lens position difference between two predetermined lens positions for a predetermined focal length;

    obtaining a target visual parameter according to the pre-determined ratio, a current visual parameter and lens position difference between a current lens position and a target lens position; and

    updating the current visual parameter by the target visual parameter in an automatic mode.

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