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I3S

Academic institutioneurope · fr
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Representative Papers

Interactive Whole Slide Images for RL-based Tumour Segmentation

Aug 17, 2026

This study addresses the computational bottlenecks in Whole Slide Image (WSI) analysis caused by ultra-high resolution and tumor sparsity by proposing an end-to-end reinforcement learning framework for sequential segmentation. Departing from predefined patching strategies, this method models WSIs as a multi-resolution hierarchical interaction environment. Utilizing an Actor-Critic architecture with Proximal Policy Optimization, the agent dynamically focuses on regions of interest by integrating local observations with global thumbnail guidance. Evaluated on lung adenocarcinoma WSIs, the proposed framework achieves coarse segmentation accuracy comparable to conventional methods while reducing inference time to seconds. These results demonstrate a significant improvement in WSI analysis efficiency, offering a scalable solution for processing gigapixel pathology images without compromising diagnostic precision.

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Interactive Whole Slide Images for RL-based Tumour Segmentation

Aug 17, 2026

This study addresses the computational bottlenecks in Whole Slide Image (WSI) analysis caused by ultra-high resolution and tumor sparsity by proposing an end-to-end reinforcement learning framework for sequential segmentation. Departing from predefined patching strategies, this method models WSIs as a multi-resolution hierarchical interaction environment. Utilizing an Actor-Critic architecture with Proximal Policy Optimization, the agent dynamically focuses on regions of interest by integrating local observations with global thumbnail guidance. Evaluated on lung adenocarcinoma WSIs, the proposed framework achieves coarse segmentation accuracy comparable to conventional methods while reducing inference time to seconds. These results demonstrate a significant improvement in WSI analysis efficiency, offering a scalable solution for processing gigapixel pathology images without compromising diagnostic precision.

0 citationsRead paper