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Methods and systems for detecting regions in digital images

  • US 20070206855A1
  • Filed: 03/02/2006
  • Published: 09/06/2007
  • Est. Priority Date: 03/02/2006
  • Status: Active Grant
First Claim
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1. A method for calculating an entropy feature in a digital image comprising a plurality of pixels, said method comprising:

  • a) applying a masking condition to said digital image thereby identifying masked pixels that satisfy said masking condition; and

    b) calculating an entropy measure wherein said masked pixels contribute less to said entropy measure than pixels not identified by said masking condition.

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