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Digital image system and method for noise compensation

  • US 7,136,095 B2
  • Filed: 06/03/2002
  • Issued: 11/14/2006
  • Est. Priority Date: 06/03/2002
  • Status: Expired due to Fees
First Claim
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1. In a digital imaging device having automatic gain control, a method for noise compensation in low-light conditions, the method comprising:

  • receiving digital image information;

    compressing the image information;

    supplying the compressed image information;

    monitoring an automatic gain control signal;

    in response to monitoring an automatic gain control signal below a high gain threshold, selecting a processing algorithm that increases compressed image information as the automatic gain control signal increases;

    in response to monitoring an automatic gain control signal above the high gain threshold, selecting a low-light processing algorithm; and

    ,in response to selecting the low-light algorithm, limiting the volume of the supplied compressed image information.

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