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Error Concealment | JPEG | MPEG-4 | Wavelet | YUV

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Discussion Groups | Image Signal Processing | Image contrast enhancement

Technical Discussions related to Image Processing (image coding, compression, digital effects, mpeg, etc)

  

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Image contrast enhancement - shan chinna - May 25 14:48:34 2008



Hai,
       Am doing contrast enhancement of MR images. Am in need to calculate Detail variance(DV)
and background variance(BV) for quality measurement. can any one help me to know the steps to
calculate Detail variance and background variance. Is any direct formula available for
calculating DV and BV. Help me in this regard.
   
  By C.Gowri Shankar


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