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Segmentor-Guided Counterfactual Fine-Tuning for Locally Coherent and Targeted Image Synthesis
Created by
Haebom
Author
Tian Xia, Matthew Sinclair, Andreas Schuh, Fabio De Sousa Ribeiro, Raghav Mehta, Rajat Rasal, Esther Puyol-Anton , Samuel Gerber, Kersten Petersen, Michiel Schaap, Ben Glocker
This paper explores techniques for training data augmentation, dataset bias removal, and counterfactual image generation for disease modeling. Specifically, we focus on structure-specific interventions (e.g., altering lung area in chest radiographs), highlighting the limitations of existing methods and proposing a novel approach, Seg-CFT. Seg-CFT addresses the complexity of requiring user-provided pixel-level label maps and generates locally consistent and effective counterfactual images while maintaining simple interventions for structure-specific variables. We present promising results for chest radiograph generation and coronary artery disease modeling.
Takeaways, Limitations
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A Proposal for an Effective Counterfactual Image Generation Method for Structure-Specific Interventions
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Solving the challenge of providing pixel-level label maps
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Demonstrating potential for chest radiograph generation and coronary artery disease modeling
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The study's Limitations was not mentioned in detail in the paper.