Figure 5
From: Atrial fibrillation designation with micro-Raman spectroscopy and scanning acoustic microscope
(a) Confusion table for the unsupervised neural network test set generated by using Raman data. (b–d) PCA score plot comparison plots. Each plot compares three clinical groups Legends includes the averaged acoustic impedance values. Abbreviations in the legend: CAF: Chornic AF, PAF: post operative AF, NAF: no AF.
