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MamMIL: State Space Models for Whole Slide Image Classification


Concepts de base
The author proposes MamMIL, a framework that combines Mamba with MIL to efficiently classify WSIs while maintaining linear complexity.
Résumé

The MamMIL framework addresses the challenge of applying self-attention mechanisms to giga-pixel WSIs by introducing a bidirectional state space model and a 2D context-aware block. By leveraging Mamba, MamMIL achieves superior classification performance with smaller memory footprints compared to Transformer-based frameworks. The proposed approach opens new avenues for efficient WSI classification in computational pathology.

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Stats
"Experiments on two datasets show that MamMIL can achieve advanced classification performance with smaller memory footprints than the state-of-the-art MIL frameworks based on the Transformer." "Compared to TransMIL, the GPU memory occupied by MamMIL is reduced by 65.5% and 71.7% on Camelyon16 and BR-CAS datasets, respectively."
Citations
"To address the issues in Transformer-based MIL methods, some researchers applied state space models (SSMs) into the MIL framework due to their ability to model long sequences with linear or near-linear complexity." "Experiments validate that MamMIL achieves SOTA performance while consuming less GPU memory than existing methods based on the Transformer."

Idées clés tirées de

by Zijie Fang,Y... à arxiv.org 03-11-2024

https://arxiv.org/pdf/2403.05160.pdf
MamMIL

Questions plus approfondies

How might the integration of Mamba into MIL frameworks impact other areas of medical technology

The integration of Mamba into MIL frameworks could have significant implications for other areas of medical technology. One key impact could be the enhancement of diagnostic accuracy and efficiency in various medical imaging modalities beyond pathology. By leveraging the capabilities of Mamba to model long sequences with linear complexity, we may see improvements in tasks such as radiology image analysis, where large-scale data processing is essential for accurate diagnosis. This integration could lead to more precise and timely detection of abnormalities in medical images, ultimately improving patient outcomes across different specialties.

What are potential drawbacks or limitations of using state space models like Mamba in WSI classification

While state space models like Mamba offer advantages in terms of efficient sequence modeling and performance improvement, there are potential drawbacks and limitations when using them in WSI classification. One limitation is the need for careful parameter tuning to ensure optimal performance. State space models can be sensitive to hyperparameters, requiring expertise and computational resources for optimization. Additionally, the interpretability of these models may pose a challenge as they involve complex transformations that might make it harder to understand how decisions are made within the system. Moreover, incorporating state space models like Mamba into existing frameworks may require substantial computational resources due to their intricate architecture.

How could advancements in computational pathology influence broader applications of artificial intelligence in healthcare

Advancements in computational pathology have the potential to catalyze broader applications of artificial intelligence (AI) in healthcare by revolutionizing disease diagnosis and treatment planning processes. With improved algorithms capable of analyzing vast amounts of medical image data accurately and efficiently, AI technologies can assist healthcare professionals in making faster and more precise clinical decisions. Beyond pathology, these advancements can extend to fields such as radiology, cardiology, dermatology, etc., enabling automated interpretation of imaging studies for early disease detection or personalized treatment strategies based on individual patient characteristics. Furthermore, advancements in computational pathology could pave the way for AI-driven predictive analytics tools that forecast disease progression or response to therapy based on histopathological findings from WSIs. This proactive approach has the potential to transform healthcare delivery by shifting towards preventive care strategies tailored to each patient's unique health profile.
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