核心概念
Cell Variational Information Bottleneck Network introduces a novel approach to neural networks, enhancing robustness and generalization through uncertainty and regularization.
摘要
The content introduces the Cell Variational Information Bottleneck Network, detailing its structure, training methods, and experimental results across various datasets. The network aims to improve robustness and generalization by introducing uncertainty in feature maps and reducing information redundancy between layers.
Introduction
- Proposes "Cell Variational Information Bottleneck Network (cellVIB)"
- Combines information bottleneck mechanism with feedforward network architecture
- Stacks VIB cells to generate feature maps with uncertainty
Methodology: Distributional Representation
- Defines hidden layer of input as Gaussian distribution
- Predicts mean and variance terms for Gaussian distribution based on input
Methodology: KL-Divergence Regularization
- Constrains predicted distribution to be close to normal distribution using KL-divergence term
Methodology: Variational Information Bottleneck in Cell
- Represents feedforward network layer as Markov chain of successive representation
- Introduces mutual information minimization between adjacent layers for regularization
Experiments: MNIST Dataset
- Compares original VIB with cellVIB under varying beta values on MNIST dataset
- Demonstrates cellVIB's superior performance in removing redundant information
Experiments: Robustness Evaluation
- Evaluates model robustness against label noise during training and image corruption during testing on CIFAR-10 dataset
- Shows cellVIB's superiority in resisting noisy labels and corrupted images compared to WRN and Deep VIB
Experiments: Generalization Assessment
- Tests model generalization on PACS dataset across different domains
- Highlights cellVIB's improved generalization performance over Deep VIB
Experiments: Face Recognition Task
- Trains models on MS-Celeb1M dataset for face recognition evaluation
- Compares performance of ArcFace, Deep VIB, and cellVIB on various test sets
统计
この研究では、MNISTデータセットでの実験において、cellVIBがオリジナルのVIBよりも優れたパフォーマンスを示すことが示されました。
引用
"Extensive experiments have proved the effectiveness of our cellVIB."
"Our proposed method outperforms the benchmark deterministic model."