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结构性网络措施揭示了彩票多层感知中出现的重尾度分布
Chris Kang1, Jasmine A Moore2, Samuel Robertson3
1Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada; Department of Radiology, University of Calgary, Calgary, AB, Canada.
概括
网络科学工具揭示了修剪人工神经网络 (ANN) 会产生复杂的结构,反映人类大脑. 这种方法提高了ANN的解释性和生物真实性.
科学领域:
- 计算神经科学是一种神经科学.
- 网络科学 网络科学
- 人工智能的人工智能
背景情况:
- 人工神经网络 (ANN) 与生物模型有所不同,缺乏结构理解和表征工具.
- 网络科学为分析包括大脑在内的复杂系统提供了一个框架,但在ANN中未得到充分利用.
研究的目的:
- 适应和应用网络科学方法来分析ANN的全球和本地结构特征.
- 调查剪裁多层感知子的结构性质及其与生物网络的相似性.
主要方法:
- 适应网络科学指标来测量ANN结构.
- 专注于高效,修剪的多层感知子作为一个案例研究.
- 分析了全球和本地网络特征,包括节点度分布和加权路径.
主要成果:
- 修剪ANN导致复杂的跨越子网络 (彩票ANN) 的出现.
- 这个子网络表现出重尾度分布和主导路径,类似于人类神经元连接.
- 网络指标的变化在大量修剪期间的性能退化之前发生.
结论:
- 网络科学为分析ANN结构提供了有价值的工具,提高了生物忠实性和可解释性.
- 单独的修剪可以在ANN中诱导类似大脑的网络组织模式,这表明信息处理的最佳性.
- 这种方法是通过网络科学镜头了解ANN的重要一步.
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