. Author manuscript; available in PMC: 2019 Oct 21.

Published in final edited form as: Proc IEEE Int Symp Biomed Imaging. 2017 Jun 19;2017:929–932. doi: 10.1109/ISBI.2017.7950668

Table 1.

Features extracted from the classification results of CNN I.

Feature category	Feature list
Global tissue amount	Total area of epithelium, stroma, and fat and the normalized areas of each tissue class by the total tissue amount.
Morphology	^* Statistics of the area and eccentricity of epithelial regions
Delaunay Triangulation	^* Statistics of the number of neighbors for each node and the distances of each node with respect to others
Area-Voronoi diagram	^* Statistics of the areas of the Voronoi cells, and the area ratio between the actual epithelial region and its Voronoi zone of influence (ZOI) [17].

The statistics we computed are: mean, standard deviation, median, and inter-quartile range.