通过模拟神经元多样性自动优化网络,提升眼底血管分割精度。
Retinal Vessel Segmentation via Neuron Programming
- 引入神经元编程技术,从神经元层面增强网络表达能力。
- 在DRIVE数据集上达到0.934的F1分数,性能媲美先进模型。
- 适合医学图像分析、智能诊断系统研发人员参考。
准确分割眼底血管对多种眼科疾病的早期诊断和治疗至关重要。设计此类任务的网络模型需要精细调参与大量实验,以应对血管细小且交织的形态特征。为此,本文受大脑神经元多样性的启发,提出一种全新的神经网络设计方法——神经元编程,可自动搜索并配置最优神经元类型,从而在神经元层面增强网络表征能力,与神经架构搜索(NAS)在架构层面的优化相辅相成。为降低神经元编程的时间与计算开销,还设计了一个超网络,利用搜索所得的架构信息预测最优神经元配置。大量实验表明,该方法在眼底血管分割任务中表现优异,验证了神经元多样性在医学图像分析中的巨大潜力。
原文摘要 · Abstract (English)
The accurate segmentation of retinal blood vessels plays a crucial role in the early diagnosis and treatment of various ophthalmic diseases. Designing a network model for this task requires meticulous tuning and extensive experimentation to handle the tiny and intertwined morphology of retinal blood vessels. To tackle this challenge, Neural Architecture Search (NAS) methods are developed to fully explore the space of potential network architectures and go after the most powerful one. Inspired by neuronal diversity which is the biological foundation of all kinds of intelligent behaviors in our brain, this paper introduces a novel and foundational approach to neural network design, termed ``neuron programming'', to automatically search neuronal types into a network to enhance a network's representation ability at the neuronal level, which is complementary to architecture-level enhancement done by NAS. Additionally, to mitigate the time and computational intensity of neuron programming, we develop a hypernetwork that leverages the search-derived architectural information to predict optimal neuronal configurations. Comprehensive experiments validate that neuron programming can achieve competitive performance in retinal blood segmentation, demonstrating the strong potential of neuronal diversity in medical image analysis.
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