Shape-Sensitive Loss for Catheter and Guidewire Segmentation

• URL: http://arxiv.org/abs/2311.11205v2
• Date: Sat, 20 Jan 2024 04:34:57 GMT
• Title: Shape-Sensitive Loss for Catheter and Guidewire Segmentation
• Authors: Chayun Kongtongvattana, Baoru Huang, Jingxuan Kang, Hoan Nguyen, Olajide Olufemi, Anh Nguyen
• Abstract summary: We introduce a shape-sensitive loss function for catheter and guidewire segmentation. We utilize it in a vision transformer network to establish a new state-of-the-art result on a large-scale X-ray images dataset.
• Score: 5.115480059688438
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: We introduce a shape-sensitive loss function for catheter and guidewire segmentation and utilize it in a vision transformer network to establish a new state-of-the-art result on a large-scale X-ray images dataset. We transform network-derived predictions and their corresponding ground truths into signed distance maps, thereby enabling any networks to concentrate on the essential boundaries rather than merely the overall contours. These SDMs are subjected to the vision transformer, efficiently producing high-dimensional feature vectors encapsulating critical image attributes. By computing the cosine similarity between these feature vectors, we gain a nuanced understanding of image similarity that goes beyond the limitations of traditional overlap-based measures. The advantages of our approach are manifold, ranging from scale and translation invariance to superior detection of subtle differences, thus ensuring precise localization and delineation of the medical instruments within the images. Comprehensive quantitative and qualitative analyses substantiate the significant enhancement in performance over existing baselines, demonstrating the promise held by our new shape-sensitive loss function for improving catheter and guidewire segmentation.

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