MedMamba: Vision Mamba for Medical Image Classification

• URL: http://arxiv.org/abs/2403.03849v5
• Date: Sun, 29 Sep 2024 03:55:46 GMT
• Title: MedMamba: Vision Mamba for Medical Image Classification
• Authors: Yubiao Yue, Zhenzhang Li,
• Abstract summary: Vision transformers (ViTs) and convolutional neural networks (CNNs) have been extensively studied and widely used in medical image classification tasks. Recent studies have shown that state space models (SSMs) represented by Mamba can effectively model long-range dependencies. We propose MedMamba, the first Vision Mamba for generalized medical image classification.
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• Abstract: Since the era of deep learning, convolutional neural networks (CNNs) and vision transformers (ViTs) have been extensively studied and widely used in medical image classification tasks. Unfortunately, CNN's limitations in modeling long-range dependencies result in poor classification performances. In contrast, ViTs are hampered by the quadratic computational complexity of their self-attention mechanism, making them difficult to deploy in real-world settings with limited computational resources. Recent studies have shown that state space models (SSMs) represented by Mamba can effectively model long-range dependencies while maintaining linear computational complexity. Inspired by it, we proposed MedMamba, the first Vision Mamba for generalized medical image classification. Concretely, we introduced a novel hybrid basic block named SS-Conv-SSM, which purely integrates the convolutional layers for extracting local features with the abilities of SSM to capture long-range dependencies, aiming to model medical images from different image modalities efficiently. By employing the grouped convolution strategy and channel-shuffle operation, MedMamba successfully provides fewer model parameters and a lower computational burden for efficient applications without sacrificing accuracy. We thoroughly evaluated MedMamba using 16 datasets containing ten imaging modalities and 411,007 images. Experimental results show that MedMamba demonstrates competitive performance on most tasks compared with the state-of-the-art methods. This work aims to explore the potential of Vision Mamba and establish a new baseline for medical image classification, thereby providing valuable insights for developing more powerful Mamba-based artificial intelligence algorithms and applications in medicine. The source codes and all pre-trained weights of MedMamba are available at https://github.com/YubiaoYue/MedMamba.

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