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A number of studies have concluded that dreaming is mostly caused by randomly arriving internal signals because "dream contents are random impulses", and argued that dream sleep is unlikely to play an important part in our intellectual…

神经元与认知 · 定量生物学 2026-02-05 Qi Zhang

Although numerous methods to reduce the overfitting of convolutional neural networks (CNNs) exist, it is still not clear how to confidently measure the degree of overfitting. A metric reflecting the overfitting level might be, however,…

机器学习 · 计算机科学 2022-09-28 Svetlana Pavlitskaya , Joël Oswald , J. Marius Zöllner

The infrequent occurrence of overfitting in deep neural networks is perplexing: contrary to theoretical expectations, increasing model size often enhances performance in practice. But what if overfitting does occur, though restricted to…

机器学习 · 计算机科学 2025-01-08 Uri Stern , Tomer Yaacoby , Daphna Weinshall

Deep Neural Networks (DNNs) excel at many tasks, often rivaling or surpassing human performance. Yet their internal processes remain elusive, frequently described as "black boxes." While performance can be refined experimentally, achieving…

无序系统与神经网络 · 物理学 2025-02-03 Sebastiano Ariosto

Modern neural networks often have great expressive power and can be trained to overfit the training data, while still achieving a good test performance. This phenomenon is referred to as "benign overfitting". Recently, there emerges a line…

机器学习 · 计算机科学 2022-06-15 Yuan Cao , Zixiang Chen , Mikhail Belkin , Quanquan Gu

In the past decade, deep neural networks (DNNs) came to the fore as the leading machine learning algorithms for a variety of tasks. Their raise was founded on market needs and engineering craftsmanship, the latter based more on trial and…

机器学习 · 计算机科学 2021-04-14 Omry Cohen , Or Malka , Zohar Ringel

Deep neural networks (DNNs) are the workhorses of deep learning, which constitutes the state of the art in numerous application domains. However, DNN-based decision rules are notoriously prone to poor generalization, i.e., may prove…

机器学习 · 计算机科学 2023-05-11 Guy Amir , Osher Maayan , Tom Zelazny , Guy Katz , Michael Schapira

Standard deep neural networks (DNNs) are commonly trained in an end-to-end fashion for specific tasks such as object recognition, face identification, or character recognition, among many examples. This specificity often leads to…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Raphaël Achddou , J. Matias di Martino , Guillermo Sapiro

We characterize a prevalent weakness of deep neural networks (DNNs)---overthinking---which occurs when a DNN can reach correct predictions before its final layer. Overthinking is computationally wasteful, and it can also be destructive…

机器学习 · 计算机科学 2019-05-10 Yigitcan Kaya , Sanghyun Hong , Tudor Dumitras

Deep neural networks (DNNs) defy the classical bias-variance trade-off: adding parameters to a DNN that interpolates its training data will typically improve its generalization performance. Explaining the mechanism behind this ``benign…

机器学习 · 统计学 2023-05-02 Diego Doimo , Aldo Glielmo , Sebastian Goldt , Alessandro Laio

While researchers increasingly use deep neural networks (DNN) to analyze individual choices, overfitting and interpretability issues remain as obstacles in theory and practice. By using statistical learning theory, this study presents a…

综合经济学 · 经济学 2019-09-18 Shenhao Wang , Qingyi Wang , Nate Bailey , Jinhua Zhao

Deep neural networks (DNN) have achieved unprecedented performance in computer-vision tasks almost ubiquitously in business, technology, and science. While substantial efforts are made to engineer highly accurate architectures and provide…

图像与视频处理 · 电气工程与系统科学 2022-09-08 Sumedha Singla

Supervised deep convolutional neural networks (DCNNs) are currently one of the best computational models that can explain how the primate ventral visual stream solves object recognition. However, embodied cognition has not been considered…

This article investigates the use of deep neural networks (DNNs) for hearing-loss compensation. Hearing loss is a prevalent issue affecting millions of people worldwide, and conventional hearing aids have limitations in providing…

音频与语音处理 · 电气工程与系统科学 2024-12-16 Peter Leer , Jesper Jensen , Laurel H. Carney , Zheng-Hua Tan , Jan Østergaard , Lars Bramsløw

Neuroscience research is undergoing a minor revolution. Recent advances in machine learning and artificial intelligence (AI) research have opened up new ways of thinking about neural computation. Many researchers are excited by the…

神经元与认知 · 定量生物学 2020-04-20 Andrew Saxe , Stephanie Nelli , Christopher Summerfield

Deep learning (DL) is transforming industry as decision-making processes are being automated by deep neural networks (DNNs) trained on real-world data. Driven partly by rapidly-expanding literature on DNN approximation theory showing they…

机器学习 · 计算机科学 2021-02-17 Ben Adcock , Nick Dexter

Deep neural networks can be effective means to automatically classify aerial images but is easy to overfit to the training data. It is critical for trained neural networks to be robust to variations that exist between training and test…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Jiayun Wang , Patrick Virtue , Stella X. Yu

Deep neural networks (DNNs) transform stimuli across multiple processing stages to produce representations that can be used to solve complex tasks, such as object recognition in images. However, a full understanding of how they achieve this…

神经元与认知 · 定量生物学 2018-11-01 David G. T. Barrett , Ari S. Morcos , Jakob H. Macke

This paper proposes a new mean-field framework for over-parameterized deep neural networks (DNNs), which can be used to analyze neural network training. In this framework, a DNN is represented by probability measures and functions over its…

机器学习 · 统计学 2020-07-06 Cong Fang , Jason D. Lee , Pengkun Yang , Tong Zhang

In supervised learning, it is known that overparameterized neural networks with one hidden layer provably and efficiently learn and generalize, when trained using stochastic gradient descent with a sufficiently small learning rate and…

机器学习 · 计算机科学 2022-03-24 Kulin Shah , Amit Deshpande , Navin Goyal