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EJNMMI Research
Fig. 4 | EJNMMI Research

Fig. 4

From: Impact of a combination of quantitative indices representing uptake intensity, shape, and asymmetry in DAT SPECT using machine learning: comparison of different volume of interest settings

Fig. 4

Scatter plots of the PS (red triangles) and NPS (blue circles) cases. The blue planes are the boundary surfaces determined by the SVM classifier. The apostrophe represents the means after standardization. a The SVM-Q computed with SBR-Q, PCR-Q, and AI-Q. b The SVM-V computed with SBR-V, FD-V, and AI-V. Abbreviations: AI, asymmetry index; FD, fractal dimension; NPS, non-parkinsonian syndrome; PCR, putamen-to-caudate ratio; PS, parkinsonian syndrome; SBR, specific binding ratio; SVM, support vector machine

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