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Pig fetus cross-section: segmentation comparison. (A) K-means clustering applied to the peak-picked spectra. (B) K-means clustering applied to the first five principal components of the peak-picked spectra. (C) Spatially aware (SA) clustering. (D) Spatially aware structurally adaptive (SASA) clustering. (E) Spatial shrunken centroids with SA distance. (F) Spatial shrunken centroids with SASA distance.
