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The merits of fast convergence and potentially better performance of the weight normalization family have drawn increasing attention in recent years. These methods use standardization or normalization that changes the weight…

机器学习 · 计算机科学 2019-11-15 Li Xiang , Chen Shuo , Xia Yan , Yang Jian

Understanding the dynamics of neural networks in different width regimes is crucial for improving their training and performance. We present an exact solution for the learning dynamics of a one-hidden-layer linear network, with…

机器学习 · 计算机科学 2025-02-24 Yizhou Xu , Liu Ziyin

The empirical emergence of neural collapse -- a surprising symmetry in the feature representations of the training data in the penultimate layer of deep neural networks -- has spurred a line of theoretical research aimed at its…

机器学习 · 计算机科学 2025-05-22 Peter Súkeník , Christoph H. Lampert , Marco Mondelli

Normalization techniques have become a basic component in modern convolutional neural networks (ConvNets). In particular, many recent works demonstrate that promoting the orthogonality of the weights helps train deep models and improve…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Sheng Liu , Xiao Li , Yuexiang Zhai , Chong You , Zhihui Zhu , Carlos Fernandez-Granda , Qing Qu

When it comes to wild conditions, Facial Expression Recognition is often challenged with low-quality data and imbalanced, ambiguous labels. This field has much benefited from CNN based approaches; however, CNN models have structural…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Hyeonbin Hwang , Soyeon Kim , Wei-Jin Park , Jiho Seo , Kyungtae Ko , Hyeon Yeo

We start out by demonstrating that an elementary learning task, corresponding to the training of a single linear neuron in a convolutional neural network, can be solved for feature spaces of very high dimensionality. In a second step,…

计算机视觉与模式识别 · 计算机科学 2017-07-11 Marco Loog , François Lauze

Normalization layers have recently experienced a renaissance in the deep reinforcement learning and continual learning literature, with several works highlighting diverse benefits such as improving loss landscape conditioning and combatting…

机器学习 · 计算机科学 2024-07-03 Clare Lyle , Zeyu Zheng , Khimya Khetarpal , James Martens , Hado van Hasselt , Razvan Pascanu , Will Dabney

In-context learning (ICL) is a cornerstone of large language model (LLM) functionality, yet its theoretical foundations remain elusive due to the complexity of transformer architectures. In particular, most existing work only theoretically…

机器学习 · 计算机科学 2024-09-18 Siyu Chen , Heejune Sheen , Tianhao Wang , Zhuoran Yang

The Transformer is widely used in natural language processing tasks. To train a Transformer however, one usually needs a carefully designed learning rate warm-up stage, which is shown to be crucial to the final performance but will slow…

机器学习 · 计算机科学 2020-06-30 Ruibin Xiong , Yunchang Yang , Di He , Kai Zheng , Shuxin Zheng , Chen Xing , Huishuai Zhang , Yanyan Lan , Liwei Wang , Tie-Yan Liu

Most learning-based image compression methods lack efficiency for high image quality due to their non-invertible design. The decoding function of the frequently applied compressive autoencoder architecture is only an approximated inverse of…

图像与视频处理 · 电气工程与系统科学 2024-05-24 Marc Windsheimer , Fabian Brand , André Kaup

Many types of neural network layers rely on matrix properties such as invertibility or orthogonality. Retaining such properties during optimization with gradient-based stochastic optimizers is a challenging task, which is usually addressed…

机器学习 · 统计学 2020-12-02 Andreas Krämer , Jonas Köhler , Frank Noé

In this work we present a novel optimization strategy for image reconstruction tasks under analysis-based image regularization, which promotes sparse and/or low-rank solutions in some learned transform domain. We parameterize such…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Iaroslav Koshelev , Stamatios Lefkimmiatis

Transfer learning from ImageNet is the go-to approach when applying deep learning to medical images. The approach is either to fine-tune a pre-trained model or use it as a feature extractor. Most modern architecture contain batch…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Fahdi Kanavati , Masayuki Tsuneki

Advancements in parallel processing have lead to a surge in multilayer perceptrons' (MLP) applications and deep learning in the past decades. Recurrent Neural Networks (RNNs) give additional representational power to feedforward MLPs by…

机器学习 · 统计学 2014-10-22 Saahil Ognawala , Justin Bayer

We study the effect of normalization schemes on token representations in deep transformers. Modeling their evolution as interacting particles on the sphere, we show that normalization acts as a form of speed regulation. This perspective…

机器学习 · 计算机科学 2025-11-12 Nikita Karagodin , Shu Ge , Yury Polyanskiy , Philippe Rigollet

Language recognition tasks are fundamental in natural language processing (NLP) and have been widely used to benchmark the performance of large language models (LLMs). These tasks also play a crucial role in explaining the working…

机器学习 · 计算机科学 2025-05-30 Ruiquan Huang , Yingbin Liang , Jing Yang

Transformer architectures prominently lead single-image super-resolution (SISR) benchmarks, reconstructing high-resolution (HR) images from their low-resolution (LR) counterparts. Their strong representative power, however, comes with a…

图像与视频处理 · 电气工程与系统科学 2025-04-01 Björn Möller , Lucas Görnhardt , Tim Fingscheidt

In recent developments in the field of Computer Vision, a rise is seen in the use of transformer-based architectures. They are surpassing the state-of-the-art set by CNN architectures in accuracy but on the other hand, they are…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Durvesh Malpure , Onkar Litake , Rajesh Ingle

In medical image analysis, transfer learning is a powerful method for deep neural networks (DNNs) to generalize well on limited medical data. Prior efforts have focused on developing pre-training algorithms on domains such as lung…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Yixiong Chen , Li Liu , Jingxian Li , Hua Jiang , Chris Ding , Zongwei Zhou

Although quantization has emerged as a promising approach to reducing computational complexity across various high-level vision tasks, it inevitably leads to accuracy loss in image super-resolution (SR) networks. This is due to the…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Cheeun Hong , Kyoung Mu Lee