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EURASIP Journal on Advances in Signal Processing
Fig. 4 | EURASIP Journal on Advances in Signal Processing

Fig. 4

From: Spatial and spectral regularization to discriminate tissues using multispectral photoacoustic imaging

Fig. 4

Photoacoustic tomography acquisition for the liver phantom. a Phantom used for the discrimination study between fresh (upper, triangular) and stale (lower, rectangular; after 12 h in ambient air) pieces of liver tissue. b Three photoacoustic experimental ROI images after thresholding at different wavelengths. c Spectral profiles of the selected pixels from each inclusion

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