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Fig. 2 | BMC Urology

Fig. 2

From: Computer-aided diagnosis with a convolutional neural network algorithm for automated detection of urinary tract stones on plain X-ray

Fig. 2

Labeling stone lesions and image division into patches. a Resized plain X-ray image of a patient with a left ureteral stone. b Labeling of stone lesions by urologists. A blue area in the image is a label showing the correct location of the stone lesion. c Random cropping and creating patches. Patches of 166 × 166 pixels were randomly cropped from a plain X-ray image and divided into two groups: patches including or not including a stone lesion

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