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Physics-Informed Neural Networks (PINNs) are a powerful deep learning method capable of providing solutions and parameter estimations of physical systems. Given the complexity of their neural network structure, the convergence speed is…

机器学习 · 计算机科学 2025-01-28 Sirui Li , Federica Bragone , Matthieu Barreau , Kateryna Morozovska

The identification of black-box nonlinear state-space models requires a flexible representation of the state and output equation. Artificial neural networks have proven to provide such a representation. However, as in many identification…

机器学习 · 计算机科学 2021-03-29 Maarten Schoukens

This paper investigates multilevel initialization strategies for training very deep neural networks with a layer-parallel multigrid solver. The scheme is based on the continuous interpretation of the training problem as a problem of optimal…

机器学习 · 计算机科学 2019-12-20 Eric C. Cyr , Stefanie Günther , Jacob B. Schroder

With the proliferation of deep convolutional neural network (CNN) algorithms for mobile processing, limited precision quantization has become an essential tool for CNN efficiency. Consequently, various works have sought to design fixed…

机器学习 · 计算机科学 2020-12-01 Stone Yun , Alexander Wong

Sparse principal component analysis (PCA) is a well-established dimensionality reduction technique that is often used for unsupervised feature selection (UFS). However, determining the regularization parameters is rather challenging, and…

机器学习 · 计算机科学 2025-04-07 Long Chen , Xianchao Xiu

Evolutionary computation methods have been successfully applied to neural networks since two decades ago, while those methods cannot scale well to the modern deep neural networks due to the complicated architectures and large quantities of…

神经与进化计算 · 计算机科学 2019-03-12 Yanan Sun , Bing Xue , Mengjie Zhang , Gary G. Yen

Neural network-based function approximation plays a pivotal role in the advancement of scientific computing and machine learning. Yet, training such models faces several challenges: (i) each target function often requires training a new…

机器学习 · 计算机科学 2025-10-13 Xinwen Hu , Yunqing Huang , Nianyu Yi , Peimeng Yin

Stacked denoising auto encoders (DAEs) are well known to learn useful deep representations, which can be used to improve supervised training by initializing a deep network. We investigate a training scheme of a deep DAE, where DAE layers…

机器学习 · 计算机科学 2015-04-14 Alexander Kalmanovich , Gal Chechik

Weight initialization plays an important role in neural network training. Widely used initialization methods are proposed and evaluated for networks that are trained from scratch. However, the growing number of pretrained models now offers…

机器学习 · 计算机科学 2023-12-01 Zhiqiu Xu , Yanjie Chen , Kirill Vishniakov , Yida Yin , Zhiqiang Shen , Trevor Darrell , Lingjie Liu , Zhuang Liu

It is notoriously difficult to train Transformers on small datasets; typically, large pre-trained models are instead used as the starting point. We explore the weights of such pre-trained Transformers (particularly for vision) to attempt to…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Asher Trockman , J. Zico Kolter

Initialization plays a critical role in Deep Neural Network training, directly influencing convergence, stability, and generalization. Common approaches such as Glorot and He initializations rely on randomness, which can produce uneven…

Initializing the weights and the biases is a key part of the training process of a neural network. Unlike the subsequent optimization phase, however, the initialization phase has gained only limited attention in the literature. In this…

机器学习 · 计算机科学 2019-09-06 Ingo Steinwart

This work evaluates six state-of-the-art deep neural network (DNN) architectures applied to the problem of enhancing camera-captured document images. The results from each network were evaluated both qualitatively and quantitatively using…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Lucas N. Kirsten , Ricardo Piccoli , Ricardo Ribani

A new initialization method for hidden parameters in a neural network is proposed. Derived from the integral representation of the neural network, a nonparametric probability distribution of hidden parameters is introduced. In this…

机器学习 · 计算机科学 2014-02-20 Sho Sonoda , Noboru Murata

Training a neural network (NN) depends on multiple factors, including but not limited to the initial weights. In this paper, we focus on initializing deep NN parameters such that it performs better, comparing to random or zero…

机器学习 · 计算机科学 2020-11-10 Mohamad H. Danesh

Word embeddings resulting from neural language models have been shown to be successful for a large variety of NLP tasks. However, such architecture might be difficult to train and time-consuming. Instead, we propose to drastically simplify…

计算与语言 · 计算机科学 2017-01-05 Rémi Lebret , Ronan Collobert

Convergence rate of training algorithms for neural networks is heavily affected by initialization of weights. In this paper, an original algorithm for initialization of weights in backpropagation neural net is presented with application to…

机器学习 · 计算机科学 2020-04-07 Nadir Murru , Rosaria Rossini

Weight initialization is important for faster convergence and stability of deep neural networks training. In this paper, a robust initialization method is developed to address the training instability in long short-term memory (LSTM)…

Nowadays, many modern applications require heterogeneous tabular data, which is still a challenging task in terms of regression and classification. Many approaches have been proposed to adapt neural networks for this task, but still,…

机器学习 · 计算机科学 2023-11-27 Wolfgang Fuhl

Weight initialization plays an important role in training neural networks and also affects tremendous deep learning applications. Various weight initialization strategies have already been developed for different activation functions with…

机器学习 · 计算机科学 2022-08-09 Qipin Chen , Wenrui Hao , Juncai He