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In deep neural network, the cross-entropy loss function is commonly used for classification. Minimizing cross-entropy is equivalent to maximizing likelihood under assumptions of uniform feature and class distributions. It belongs to…

机器学习 · 计算机科学 2018-05-01 Donglai Zhu , Hengshuai Yao , Bei Jiang , Peng Yu

This paper is concerned with the problem of representing and learning a linear transformation using a linear neural network. In recent years, there has been a growing interest in the study of such networks in part due to the successes of…

最优化与控制 · 数学 2017-09-28 Amirhossein Taghvaei , Jin W. Kim , Prashant G. Mehta

We consider the problem of learning an unknown ReLU network with respect to Gaussian inputs and obtain the first nontrivial results for networks of depth more than two. We give an algorithm whose running time is a fixed polynomial in the…

机器学习 · 计算机科学 2020-09-29 Sitan Chen , Adam R. Klivans , Raghu Meka

When dealing with spreading processes on networks it can be of the utmost importance to test the reliability of data and identify potential unobserved spreading paths. In this paper we address these problems and propose methods for hidden…

物理与社会 · 物理学 2021-08-18 Łukasz G. Gajewski , Jan Chołoniewski , Mateusz Wilinski

Deep neural networks have been successful in many predictive modeling tasks, such as image and language recognition, where large neural networks are often used to obtain good accuracy. Consequently, it is challenging to deploy these…

机器学习 · 计算机科学 2020-02-25 Thiago Serra , Abhinav Kumar , Srikumar Ramalingam

Learning compact binary codes for image retrieval task using deep neural networks has attracted increasing attention recently. However, training deep hashing networks for the task is challenging due to the binary constraints on the hash…

计算机视觉与模式识别 · 计算机科学 2018-12-19 Thanh-Toan Do , Tuan Hoang , Dang-Khoa Le Tan , Trung Pham , Huu Le , Ngai-Man Cheung , Ian Reid

We present a new Deep Dictionary Learning and Coding Network (DDLCN) for image recognition tasks with limited data. The proposed DDLCN has most of the standard deep learning layers (e.g., input/output, pooling, fully connected, etc.), but…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Hao Tang , Hong Liu , Wei Xiao , Nicu Sebe

We leverage the framework of hyperplane arrangements to analyze potential regions of (stable) fixed points. We provide an upper bound on the number of fixed points for multi-layer neural networks equipped with piecewise linear (PWL)…

机器学习 · 计算机科学 2024-07-16 Hans-Peter Beise

In this paper, we prove a conjecture published in 1989 and also partially address an open problem announced at the Conference on Learning Theory (COLT) 2015. With no unrealistic assumption, we first prove the following statements for the…

机器学习 · 统计学 2016-12-30 Kenji Kawaguchi

Current research has found that some deep neural networks exhibit strong hierarchical self-similarity in feature representation or parameter distribution. However, aside from preliminary studies on how the power-law distribution of weights…

机器学习 · 计算机科学 2025-07-25 Jingyi Ding , Chengwen Qi , Hongfei Wang , Jianshe Wu , Licheng Jiao , Yuwei Guo , Jian Gao

This work investigates how using reduced precision data in Convolutional Neural Networks (CNNs) affects network accuracy during classification. More specifically, this study considers networks where each layer may use different precision…

Neural networks are known to be effective function approximators. Recently, deep neural networks have proven to be very effective in pattern recognition, classification tasks and human-level control to model highly nonlinear realworld…

神经与进化计算 · 计算机科学 2016-10-06 Olalekan Ogunmolu , Xuejun Gu , Steve Jiang , Nicholas Gans

The choice of activation function can significantly influence the performance of neural networks. The lack of guiding principles for the selection of activation function is lamentable. We try to address this issue by introducing our…

机器学习 · 计算机科学 2018-10-16 Yiwei Li , Enzhi Li

While Deep Neural Networks (DNNs) push the state-of-the-art in many machine learning applications, they often require millions of expensive floating-point operations for each input classification. This computation overhead limits the…

神经与进化计算 · 计算机科学 2017-05-12 Hokchhay Tann , Soheil Hashemi , Iris Bahar , Sherief Reda

In this paper, we propose a novel multi-task learning method based on the deep convolutional network. The proposed deep network has four convolutional layers, three max-pooling layers, and two parallel fully connected layers. To adjust the…

机器学习 · 计算机科学 2019-04-17 Fang Su , Hai-Yang Shang , Jing-Yan Wang

Deep learning (DL) has big-data processing capabilities that are as good, or even better, than those of humans in many real-world domains, but at the cost of high energy requirements that may be unsustainable in some applications and of…

神经与进化计算 · 计算机科学 2025-05-29 Khubaib Ahmed , Ahsan Adeel , Mario Franco , Mohsin Raza

Deep networks realize complex mappings that are often understood by their locally linear behavior at or around points of interest. For example, we use the derivative of the mapping with respect to its inputs for sensitivity analysis, or to…

机器学习 · 计算机科学 2019-07-09 Guang-He Lee , David Alvarez-Melis , Tommi S. Jaakkola

Successful training of convolutional neural networks is often associated with sufficiently deep architectures composed of high amounts of features. These networks typically rely on a variety of regularization and pruning techniques to…

计算机视觉与模式识别 · 计算机科学 2017-10-23 Martin Mundt , Tobias Weis , Kishore Konda , Visvanathan Ramesh

We propose to explain the predictions of a deep neural network, by pointing to the set of what we call representer points in the training set, for a given test point prediction. Specifically, we show that we can decompose the pre-activation…

机器学习 · 计算机科学 2018-11-27 Chih-Kuan Yeh , Joon Sik Kim , Ian E. H. Yen , Pradeep Ravikumar

In this work we analyze the role nonlinear activation functions play at stationary points of dense neural network training problems. We consider a generic least squares loss function training formulation. We show that the nonlinear…

最优化与控制 · 数学 2020-02-10 Thomas O'Leary-Roseberry , Omar Ghattas