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Dynamic Robot-Assisted Surgery with Hierarchical Class-Incremental Semantic Segmentation

Created by
  • Haebom

Author

Julia Hindel, Ema Mekic, Enamundram Naga Karthik, Rohit Mohan, Daniele Cattaneo, Maria Kalweit, Abhinav Valada

Outline

This paper presents an Incremental Class Semantic Segmentation (CISS) method for accurate, real-time scene understanding in robotic surgical environments. To overcome the limitations of existing segmentation models trained on static datasets, we propose TOPICS+, an improved version of the Taxonomy-Oriented Poincaré-regularized Incremental Class Segmentation (TOPICS) method. TOPICS+ addresses class imbalance by adding the Dice loss to the hierarchical loss function, introduces hierarchical pseudo-labeling, and designs a label classification scheme tailored to robotic surgical environments. Furthermore, we present six new CISS benchmarks to mimic the class incremental settings of realistic robotic surgical environments and provide an improved label set of over 144 classes on the Syn-Mediverse synthetic dataset. The code and trained models are publicly available.

Takeaways, Limitations

Takeaways:
Proposing TOPICS+, an efficient CISS method for real-time scene understanding in robotic surgical environments.
Improved performance by addressing class imbalance and introducing hierarchical pseudo-labeling.
A new CISS benchmark and improved Syn-Mediverse dataset specifically designed for robotic surgical environments are now available.
Increased research scalability through open access to code and trained models.
Limitations:
There is a possibility that the proposed benchmark and dataset may not perfectly reflect the actual surgical environment.
Further research is needed to determine how well TOPICS+'s performance can generalize to various robotic surgical environments and situations.
Due to the high reliance on synthetic datasets, additional validation using actual surgical data may be required.
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