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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

Signal-background classification is a central problem in High-Energy Physics (HEP), that plays a major role for the discovery of new fundamental particles. A recent method -- the Parametric Neural Network (pNN) -- leverages multiple signal…

高能物理 - 实验 · 物理学 2022-11-15 Luca Anzalone , Tommaso Diotalevi , Daniele Bonacorsi

Optical machine learning offers advantages in terms of power efficiency, scalability and computation speed. Recently, an optical machine learning method based on Diffractive Deep Neural Networks (D2NNs) has been introduced to execute a…

神经与进化计算 · 计算机科学 2019-06-11 Deniz Mengu , Yi Luo , Yair Rivenson , Aydogan Ozcan

Deep-learning algorithms enable precise image recognition based on high-dimensional hierarchical image features. Here, we report the development and implementation of a deep-learning-based image segmentation algorithm in an autonomous…

图像与视频处理 · 电气工程与系统科学 2020-03-26 Satoru Masubuchi , Eisuke Watanabe , Yuta Seo , Shota Okazaki , Takao Sasagawa , Kenji Watanabe , Takashi Taniguchi , Tomoki Machida

Deep Neural Networks (DNN) have shown great promise in many classification applications, yet are widely known to have poorly calibrated predictions when they are over-parametrized. Improving DNN calibration without comprising on model…

机器学习 · 计算机科学 2024-05-07 Mikkel Jordahn , Pablo M. Olmos

Convolutional Neural Network is known as ConvNet have been extensively used in many complex machine learning tasks. However, hyperparameters optimization is one of a crucial step in developing ConvNet architectures, since the accuracy and…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Pushparaja Murugan

Systems based on artificial neural networks (ANNs) have achieved state-of-the-art results in many natural language processing tasks. Although ANNs do not require manually engineered features, ANNs have many hyperparameters to be optimized.…

计算与语言 · 计算机科学 2016-09-29 Franck Dernoncourt , Ji Young Lee

Training deep neural networks consumes increasing computational resource shares in many compute centers. Often, a brute force approach to obtain hyperparameter values is employed. Our goal is (1) to enhance this by enabling second-order…

机器学习 · 计算机科学 2022-08-04 Severin Reiz , Tobias Neckel , Hans-Joachim Bungartz

With the development of steel materials, metallographic analysis has become increasingly important. Unfortunately, grain size analysis is a manual process that requires experts to evaluate metallographic photographs, which is unreliable and…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Fang Gao , Xuetao Li , Jiabao Wang , Shengheng Ma , Jun Yu

Sparse model is widely used in hyperspectral image classification.However, different of sparsity and regularization parameters has great influence on the classification results.In this paper, a novel adaptive sparse deep network based on…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Jingwen Yan , Zixin Xie , Jingyao Chen , Yinan Liu , Lei Liu

This paper presents a probabilistic framework to obtain both reliable and fast uncertainty estimates for predictions with Deep Neural Networks (DNNs). Our main contribution is a practical and principled combination of DNNs with sparse…

机器人学 · 计算机科学 2021-09-22 Jongseok Lee , Jianxiang Feng , Matthias Humt , Marcus G. Müller , Rudolph Triebel

Deep learning algorithms have achieved excellent performance lately in a wide range of fields (e.g., computer version). However, a severe challenge faced by deep learning is the high dependency on hyper-parameters. The algorithm results may…

机器学习 · 计算机科学 2020-03-02 Xiang Zhang , Xiaocong Chen , Lina Yao , Chang Ge , Manqing Dong

In this work, we investigate the feasibility and effectiveness of employing deep learning algorithms for automatic recognition of the modulation type of received wireless communication signals from subsampled data. Recent work considered a…

信号处理 · 电气工程与系统科学 2019-01-18 Sharan Ramjee , Shengtai Ju , Diyu Yang , Xiaoyu Liu , Aly El Gamal , Yonina C. Eldar

Choosing appropriate hyperparameters plays a crucial role in the success of neural networks as hyper-parameters directly control the behavior and performance of the training algorithms. To obtain efficient tuning, Bayesian optimization…

机器学习 · 统计学 2024-02-08 Jiazhao Zhang , Ying Hung , Chung-Ching Lin , Zicheng Liu

A plethora of research advances have emerged in the fields of optics and photonics that benefit from harnessing the power of machine learning. Specifically, there has been a revival of interest in optical computing hardware, due to its…

神经与进化计算 · 计算机科学 2021-01-12 Md Sadman Sakib Rahman , Jingxi Li , Deniz Mengu , Yair Rivenson , Aydogan Ozcan

Large-scale pre-trained language models have achieved impressive results on a wide range of downstream tasks recently. However, fine-tuning an extremely large-scale pre-trained language model on limited target datasets is often plagued by…

计算与语言 · 计算机科学 2022-11-04 Haojie Zhang , Ge Li , Jia Li , Zhongjin Zhang , Yuqi Zhu , Zhi Jin

We present two novel hyperparameter optimization strategies for optimization of deep learning models with a modular architecture constructed of multiple subnetworks. As complex networks with multiple subnetworks become more frequently…

机器学习 · 计算机科学 2022-02-25 Alex H. Treacher , Albert Montillo

With neural networks having demonstrated their versatility and benefits, the need for their optimal performance is as prevalent as ever. A defining characteristic, hyperparameters, can greatly affect its performance. Thus engineers go…

神经与进化计算 · 计算机科学 2020-09-21 Keshav Ganapathy

Deep learning algorithms vary depending on the underlying connection mechanism of nodes of them. They have various hyperparameters that are either set via specific algorithms or randomly chosen. Meanwhile, hyperparameters of deep learning…

机器学习 · 计算机科学 2020-11-20 M. M. Ozturk

Geometry-aware optimization algorithms, such as Muon, have achieved remarkable success in training deep neural networks (DNNs). These methods leverage the underlying geometry of DNNs by selecting appropriate norms for different layers and…

机器学习 · 计算机科学 2026-02-04 Jie Hao , Xiaochuan Gong , Jie Xu , Zhengdao Wang , Mingrui Liu