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We propose the BinaryGAN, a novel generative adversarial network (GAN) that uses binary neurons at the output layer of the generator. We employ the sigmoid-adjusted straight-through estimators to estimate the gradients for the binary…

机器学习 · 计算机科学 2018-10-12 Hao-Wen Dong , Yi-Hsuan Yang

Ongoing studies have identified similarities between neural representations in biological networks and in deep artificial neural networks. This has led to renewed interest in developing analogies between the backpropagation learning…

神经与进化计算 · 计算机科学 2019-06-11 Theodore H. Moskovitz , Ashok Litwin-Kumar , L. F. Abbott

Automated ranking of pre-trained Deep Neural Networks (DNNs) reduces the required time for selecting optimal pre-trained DNN and boost the classification performance in transfer learning. In this paper, we introduce a novel algorithm to…

机器学习 · 计算机科学 2020-12-29 Mostafa Kalhor , Ahmad Kalhor , Mehdi Rahmani

In massive multi-input multi-output (MIMO) systems, the main bottlenecks of location- and orientation-assisted beam alignment using deep neural networks (DNNs) are large training overhead and significant performance degradation. This paper…

信号处理 · 电气工程与系统科学 2026-01-21 Yuzhu Lei , Qiqi Xiao , Yinghui He , Guanding Yu

Gradient descent finds a global minimum in training deep neural networks despite the objective function being non-convex. The current paper proves gradient descent achieves zero training loss in polynomial time for a deep over-parameterized…

机器学习 · 计算机科学 2019-05-30 Simon S. Du , Jason D. Lee , Haochuan Li , Liwei Wang , Xiyu Zhai

In this work, a non-gradient descent learning (NGDL) scheme was proposed for deep feedforward neural networks (DNN). It is known that an autoencoder can be used as the building blocks of the multi-layer perceptron (MLP) DNN, the MLP is…

机器学习 · 计算机科学 2021-08-25 P. Guo , K. Wang , X. L. Zhou

This work is substituted by the paper in arXiv:2011.14066. Stochastic gradient descent is the de facto algorithm for training deep neural networks (DNNs). Despite its popularity, it still requires fine tuning in order to achieve its best…

机器学习 · 统计学 2020-12-02 Vatsal Shah , Anastasios Kyrillidis , Sujay Sanghavi

Deep learning is typically performed by learning a neural network solely from data in the form of input-output pairs ignoring available domain knowledge. In this work, the Constraint Guided Gradient Descent (CGGD) framework is proposed that…

人工智能 · 计算机科学 2022-06-15 Quinten Van Baelen , Peter Karsmakers

Since its inception, deep learning has been overwhelmingly reliant on backpropagation and gradient-based optimization algorithms in order to learn weight and bias parameter values. Tractable Approximate Gaussian Inference (TAGI) algorithm…

机器学习 · 计算机科学 2021-03-10 Luong-Ha Nguyen , James-A. Goulet

Training deep graph neural networks (GNNs) is notoriously hard. Besides the standard plights in training deep architectures such as vanishing gradients and overfitting, it also uniquely suffers from over-smoothing, information squashing,…

机器学习 · 计算机科学 2022-05-10 Tianlong Chen , Kaixiong Zhou , Keyu Duan , Wenqing Zheng , Peihao Wang , Xia Hu , Zhangyang Wang

While current deep learning algorithms have been successful for a wide variety of artificial intelligence (AI) tasks, including those involving structured image data, they present deep neurophysiological conceptual issues due to their…

神经与进化计算 · 计算机科学 2023-11-07 Timothy Zee , Alexander G. Ororbia , Ankur Mali , Ifeoma Nwogu

The success of deep architectures is at least in part attributed to the layer-by-layer unsupervised pre-training that initializes the network. Various papers have reported extensive empirical analysis focusing on the design and…

机器学习 · 计算机科学 2015-02-13 Vamsi K Ithapu , Sathya Ravi , Vikas Singh

Modelling the physical properties of everyday objects is a fundamental prerequisite for autonomous robots. We present a novel generative adversarial network (Defo-Net), able to predict body deformations under external forces from a single…

机器人学 · 计算机科学 2018-04-18 Zhihua Wang , Stefano Rosa , Linhai Xie , Bo Yang , Sen Wang , Niki Trigoni , Andrew Markham

In recent years deep learning algorithms have shown extremely high performance on machine learning tasks such as image classification and speech recognition. In support of such applications, various FPGA accelerator architectures have been…

机器学习 · 计算机科学 2017-05-09 Xinyu Zhang , Srinjoy Das , Ojash Neopane , Ken Kreutz-Delgado

Even for the gradient descent (GD) method applied to neural network training, understanding its optimization dynamics, including convergence rate, iterate trajectories, function value oscillations, and especially its implicit acceleration,…

机器学习 · 计算机科学 2026-05-22 Alexander Tyurin

In massive multiple-input multiple-output (MIMO) systems, hybrid analog-digital (AD) beamforming can be used to attain a high directional gain without requiring a dedicated radio frequency (RF) chain for each antenna element, which…

信号处理 · 电气工程与系统科学 2021-09-15 S. Shi , Y. Cai , Q. Hu , B. Champagne , L. Hanzo

Stochastic gradient descent (SGD) is the main approach for training deep networks: it moves towards the optimum of the cost function by iteratively updating the parameters of a model in the direction of the gradient of the loss evaluated on…

机器学习 · 计算机科学 2021-03-30 Loris Nanni , Gianluca Maguolo , Alessandra Lumini

Understanding the asymptotic behavior of gradient-descent training of deep neural networks is essential for revealing inductive biases and improving network performance. We derive the infinite-time training limit of a mathematically…

机器学习 · 统计学 2022-02-08 Samuel Lippl , L. F. Abbott , SueYeon Chung

Modern neuroimaging techniques, such as diffusion tensor imaging (DTI) and functional magnetic resonance imaging (fMRI), enable us to model the human brain as a brain network or connectome. Capturing brain networks' structural information…

We study the complexity of training neural network models with one hidden nonlinear activation layer and an output weighted sum layer. We analyze Gradient Descent applied to learning a bounded target function on $n$ real-valued inputs. We…

机器学习 · 计算机科学 2019-05-28 Santosh Vempala , John Wilmes