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. Author manuscript; available in PMC: 2020 Jan 29.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2019 Mar 18;10956:109560M. doi: 10.1117/12.2512892

Figure 4.

Figure 4.

Qualitative examination of segmentation results on the testing set. Representative tiles from each the testing set. Slide 1 (right) and Slide 5 (right): Non-cellular components of “lymphocyte regions” (grey) were present in ground truth (for training) but were mapped to stroma in output. Slide 2 (left): enclosed stromal region within a tumor nest is missed in ground truth but is picked up by trained model. Slide 2 (right) and Slide 3 (right) algorithm misclassified small necrotic region as stroma. Slide 5 (left): Ground truth connects small, scattered tumor nests under one tumor “region”, whereas the model learns to more accurately delineate region boundaries.