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International Journal of Optics
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2012
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Article
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Tab 3
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Research Article
Diffuse Optical Imaging Using Decomposition Methods
Table 3
Known positions versus retrieved positions of the scattering targets using ICA, PCA, and NMF algorithms.
Target
Known position (mm)
Algorithm
Fitted position (mm)
Error (mm)
1
(13.0, 28.0, 30.0)
ICA
(12.6, 28.7, 29.1)
(0.4, 0.7, 0.9)
PCA
(12.6, 28.7, 28.6)
(0.4, 0.7, 1.4)
NMF
(12.0, 28.5, 33.0)
(1.0, 0.5, 3.0)
2
(53.3, 28.5, 30.0)
ICA
(51.0, 31.8, 26.8)
(2.3, 3.3, 3.2)
PCA
(50.9, 31.8, 26.7)
(2.4, 3.3, 3.3)
NMF
(53.3, 28.0, 30.3)
(0.0, 0.5, 0.3)