1. Articles from Jason D. Riley

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    1. Quantitative principal component model for skin chromophore mapping using multi-spectral images and spatial priors

      Quantitative principal component model for skin chromophore mapping using multi-spectral images and spatial priors
      We describe a novel reconstruction algorithm based on Principal Component Analysis (PCA) applied to multi-spectral imaging data. Using numerical phantoms, based on a two layered skin model developed previously, we found analytical expressions, which convert qualitative PCA results into quantitative blood volume and oxygenation values, assuming the epidermal thickness to be known. We also evaluate the limits of accuracy of this method when the value of the epidermal thickness is not known. We show that blood volume can reliably be extracted (less than 6% error) even if the assumed thickness deviates 0.04mm from the actual value, whereas the error ...
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    1-1 of 1
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  2. Topics in the News

    1. (1 articles) Medical University of Vienna
    2. (1 articles) National Institutes of Health
    3. (1 articles) Lawrence Livermore National Laboratory
    4. (1 articles) Michael Pircher
    5. (1 articles) Stavros G. Demos
    6. (1 articles) Christoph K. Hitzenberger
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