Time domain algorithm for accelerated determination of the first order moment of photo current fluctuations in high speed laser Doppler perfusion imaging

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Draijer, Matthijs and Hondebrink, Erwin and Leeuwen van, Ton and Steenbergen, Wiendelt (2009) Time domain algorithm for accelerated determination of the first order moment of photo current fluctuations in high speed laser Doppler perfusion imaging. Medical and biological engineering and computing, 47 (10). pp. 1103-1109. ISSN 0140-0118

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Abstract:Advances in optical array sensor technology
allow for the real time acquisition of dynamic laser speckle
patterns generated by tissue perfusion, which, in principle,
allows for real time laser Doppler perfusion imaging
(LDPI). Exploitation of these developments is enhanced
with the introduction of faster algorithms to transform
photo currents into perfusion estimates using the first
moment of the power spectrum. A time domain (TD)
algorithm is presented for determining the first-order
spectral moment. Experiments are performed to compare
this algorithm with the widely used Fast Fourier Transform
(FFT). This study shows that the TD-algorithm is
twice as fast as the FFT-algorithm without loss of accuracy.
Compared to FFT, the TD-algorithm is efficient in terms of
processor time, memory usage and data transport
Item Type:Article
Copyright:© 2009 The Author(s)
Faculty:
Science and Technology (TNW)
Research Group:
Link to this item:http://purl.utwente.nl/publications/76389
Official URL:http://dx.doi.org/10.1007/s11517-009-0537-x
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