Keywords: Ultrasound imaging, Tumor detection, Tumor segmentation, Mask-RCNN
Abstract: This paper introduces a novel approach for training Mask-RCNN models using a normalized continuous
objectness score and corresponding loss function, eliminating the need for binary objectness labels. The
method is evaluated on an ultrasound dataset of breast and colorectal tumors samples, achieving a
precision of 0.963, sensitivity of 0.974, specificity of 0.960 and IoU of 0.651, improving the precision
and specificity with comparable sensitivity and IoU compared to a conventional Mask-RCNN baseline.
Submission Number: 38
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