Fig. 1From: Noninvasive KRAS mutation estimation in colorectal cancer using a deep learning method based on CT imagingThe flow chart of ROI-patch generation. A minimum circumscribed rectangle is established around each irregular ROI. Then, the boundary of the minimum rectangle is equally expanded with an interval of 10 pixels. This procedure is repeated for the three orthogonal directions (axial, sagittal, and coronal)Back to article page