对比多种模型在1维手写数字数据集上的表现,验证先进架构的优越性。
Exploring the Performance of ML/DL Architectures on the MNIST-1D Dataset
- 测试ResNet、TCN、DCNN等模型在MNIST-1D上的性能
- TCN与DCNN接近人类水平,优于传统模型
- 适合研究序列建模与轻量化架构优化
小规模数据集如MNIST长期以来在机器学习研究中发挥关键作用,提供可控环境以快速实验和评估模型。然而其简单性常限制其区分先进神经网络架构的能力。为解决这一问题,Greydanus等人提出MNIST-1D,一个一维化的MNIST数据集,用于探索序列数据中的归纳偏置。该数据集兼具小规模优势与复杂性,适合研究先进架构。本文扩展了对MNIST-1D的评估,测试了残差网络(ResNet)、时序卷积网络(TCN)和空洞卷积神经网络(DCNN)的表现,并与逻辑回归、MLP、CNN、GRU等先前模型进行对比。实验结果表明,TCN与DCNN等先进架构显著优于简单模型,在MNIST-1D上达到接近人类水平的性能;ResNet亦表现出明显提升,凸显归纳偏置与分层特征提取在小型结构化数据集中的重要性。本研究验证了MNIST-1D作为计算资源受限环境下模型评估基准的有效性,强调架构创新对提升模型性能的关键作用,并为优化轻量化深度学习模型提供了启示。
原文摘要 · Abstract (English)
Small datasets like MNIST have historically been instrumental in advancing machine learning research by providing a controlled environment for rapid experimentation and model evaluation. However, their simplicity often limits their utility for distinguishing between advanced neural network architectures. To address these challenges, Greydanus et al. introduced the MNIST-1D dataset, a one-dimensional adaptation of MNIST designed to explore inductive biases in sequential data. This dataset maintains the advantages of small-scale datasets while introducing variability and complexity that make it ideal for studying advanced architectures. In this paper, we extend the exploration of MNIST-1D by evaluating the performance of Residual Networks (ResNet), Temporal Convolutional Networks (TCN), and Dilated Convolutional Neural Networks (DCNN). These models, known for their ability to capture sequential patterns and hierarchical features, were implemented and benchmarked alongside previously tested architectures such as logistic regression, MLPs, CNNs, and GRUs. Our experimental results demonstrate that advanced architectures like TCN and DCNN consistently outperform simpler models, achieving near-human performance on MNIST-1D. ResNet also shows significant improvements, highlighting the importance of leveraging inductive biases and hierarchical feature extraction in small structured datasets. Through this study, we validate the utility of MNIST-1D as a robust benchmark for evaluating machine learning architectures under computational constraints. Our findings emphasize the role of architectural innovations in improving model performance and offer insights into optimizing deep learning models for resource-limited environments.
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