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Does the Skeleton-Recall Loss Really Work?

Created by
  • Haebom

Author

Devansh Arora, Nitin Kumar, Sukrit Gupta

Outline

This paper theoretically and experimentally analyzes models that utilize topology-preserving loss functions specialized for coronary segmentation, including the Skeleton Recall Loss (SRL) proposed by Kirchhoff et al. While SRL has been claimed to demonstrate state-of-the-art performance on existing coronary datasets, this paper theoretically analyzes the slope of the SRL loss function and conducts experiments on various datasets, revealing that SRL-based models do not outperform existing baseline models. This critically evaluates the limitations of topology-based loss functions and provides insights into the development of effective segmentation models for complex coronary structures.

Takeaways, Limitations

Takeaways: This review highlights the need for a careful review of existing research results by examining the actual performance of topology-preserving loss functions, particularly SRL. This suggests that developing complex coronary segmentation models requires a comprehensive approach that considers various factors, rather than simply focusing on topology preservation.
Limitations: Topology-preserving loss functions, including SRL, may not guarantee improved performance compared to existing baseline models. The performance improvement may be limited to a specific dataset and may result in poor generalization performance. Further experiments on a more comprehensive dataset and a variety of models are needed.
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