CXR-LT 2026 Challenge: Multi-Center Long-Tailed and Zero Shot Chest X-ray Classification

arXiv:2604.15555 · cs.CV · Submitted 2026-04-16 · Read on arXiv

cs.CV

Submitted: 2026-04-16

Updated: 2026-09-19

Terminology

• Chest X-ray — 29× in this paper
• Generalization — 23× in this paper · explained in 13 episodes
• Benchmark — 18× in this paper · explained in 2 episodes
• Robustness — 11× in this paper · explained in 5 episodes
• Calibration — 10× in this paper · explained in 7 episodes
• Transformer — 7× in this paper · explained in 2 episodes
• Test-Time Augmentation — 4× in this paper
• Foundation Model — 3× in this paper · explained in 3 episodes
• Contrastive Learning — 2× in this paper · explained in 5 episodes
• Core — 2× in this paper · explained in 2 episodes
• Data Augmentation — 2× in this paper · explained in 7 episodes
• Distribution Shift — 2× in this paper · explained in 5 episodes
• Domain Shift — 2× in this paper · explained in 4 episodes
• Embeddings — 2× in this paper · explained in 2 episodes
• F1 Score — 2× in this paper · explained in 3 episodes
• Fine-Tuning — 2× in this paper · explained in 5 episodes
• Foundation Models — 2× in this paper · explained in 7 episodes
• Label-Distribution-Aware Margin — 2× in this paper
• Representation Learning — 2× in this paper · explained in 2 episodes
• Zero-Shot Generalization — 2× in this paper · explained in 5 episodes
• AI Foundation Model — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Algorithmic Improvements — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Area Under the Receiver Operating Characteristic Curve — 1× in this paper
• Consistency — 1× in this paper · explained in 3 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Distillation — 1× in this paper · explained in 2 episodes
• Expected Calibration Error — 1× in this paper
• Generalizability — 1× in this paper · explained in 6 episodes
• International Symposium on Biomedical Imaging — 1× in this paper
• Knowledge Distillation — 1× in this paper · explained in 11 episodes
• Loss Function — 1× in this paper · explained in 2 episodes
• Prompt Engineering — 1× in this paper · explained in 4 episodes
• Scaling Laws — 1× in this paper · explained in 4 episodes
• Self-Supervised Learning — 1× in this paper · explained in 7 episodes
• Test-time augmentation (TTA) — 1× in this paper · explained in 2 episodes
• Two-Stage Framework — 1× in this paper · explained in 2 episodes
• Unified Framework — 1× in this paper · explained in 5 episodes

Sources

• CXR-LT 2024: A MICCAI challenge on long-tailed, multi-label, and zero-shot disease classification from chest X-ray
• Handling Supervision Scarcity in Chest X-ray Classification: Long-Tailed and Zero-Shot Learning
• CXR-LT 2026 Challenge: Projection-Aware Multi-Label and Zero-Shot Chest X-Ray Classification
• Query2Label: A Simple Transformer Way to Multi-Label Classification
• Decoupling Representation and Classifier for Long-Tailed Recognition
• Multi-Label Contrastive Learning : A Comprehensive Study

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