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Mutual information is widely applied to learn latent representations of observations, whilst its implication in classification neural networks remain to be better explained. We show that optimising the parameters of classification neural…

Machine Learning · Computer Science 2020-09-18 Zhenyue Qin , Dongwoo Kim , Tom Gedeon

Modern deep neural networks rely on overparameterization to achieve state-of-the-art generalization. But overparameterized models are computationally expensive. Network pruning is often employed to obtain less demanding models for…

Machine Learning · Computer Science 2020-06-15 Zhilin Yu , Chao Wang , Xin Wang , Qing Wu , Yong Zhao , Xundong Wu

Convolutional Neural Networks (CNNs) have become deeper and more complicated compared with the pioneering AlexNet. However, current prevailing training scheme follows the previous way of adding supervision to the last layer of the network…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Dawei Sun , Anbang Yao , Aojun Zhou , Hao Zhao

Evaluating clustering quality with reliable evaluation metrics like normalized mutual information (NMI) requires labeled data that can be expensive to annotate. We focus on the underexplored problem of estimating clustering quality with…

Machine Learning · Computer Science 2022-10-04 Nihal V. Nayak , Ethan R. Elenberg , Clemens Rosenbaum

Deep convolution neural network has attracted many attentions in large-scale visual classification task, and achieves significant performance improvement compared to traditional visual analysis methods. In this paper, we explore many kinds…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Feifei Huang , Jie Li , Xuelin Zhu

Increasing use of CT in modern medical practice has raised concerns over associated radiation dose. Reduction of radiation dose associated with CT can increase noise and artifacts, which can adversely affect diagnostic confidence. Denoising…

Computer Vision and Pattern Recognition · Computer Science 2017-02-24 Qingsong Yang , Pingkun Yan , Mannudeep K. Kalra , Ge Wang

Most existing person re-identification (ReID) methods have good feature representations to distinguish pedestrians with deep convolutional neural network (CNN) and metric learning methods. However, these works concentrate on the similarity…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Peng Chen , Tong Jia , Pengfei Wu , Jianjun Wu , Dongyue Chen

This paper proposes a principled information theoretic analysis of classification for deep neural network structures, e.g. convolutional neural networks (CNN). The output of convolutional filters is modeled as a random variable Y…

Machine Learning · Computer Science 2017-12-04 Ahmad Chaddad , Behnaz Naisiri , Marco Pedersoli , Eric Granger , Christian Desrosiers , Matthew Toews

Convolutional neural networks (CNN) are widely used in computer vision, especially in image classification. However, the way in which information and invariance properties are encoded through in deep CNN architectures is still an open…

Computer Vision and Pattern Recognition · Computer Science 2016-10-26 Michael Blot , Matthieu Cord , Nicolas Thome

Detecting critical transitions in complex, noisy time-series data is a fundamental challenge across science and engineering. Such transitions may be anticipated by the emergence of a low-dimensional order parameter, whose signature is often…

Machine Learning · Computer Science 2025-12-16 Wenqi Fang , Ye Li

Deep learning algorithms mine knowledge from the training data and thus would likely inherit the dataset's bias information. As a result, the obtained model would generalize poorly and even mislead the decision process in real-life…

Machine Learning · Computer Science 2021-08-16 Wei Zhu , Haitian Zheng , Haofu Liao , Weijian Li , Jiebo Luo

Deep neural networks are powerful, massively parameterized machine learning models that have been shown to perform well in supervised learning tasks. However, very large amounts of labeled data are usually needed to train deep neural…

Machine Learning · Computer Science 2020-12-02 Hanchen Xie , Mohamed E. Hussein , Aram Galstyan , Wael Abd-Almageed

Learning from unlabeled and noisy data is one of the grand challenges of machine learning. As such, it has seen a flurry of research with new ideas proposed continuously. In this work, we revisit a classical idea: Stein's Unbiased Risk…

Machine Learning · Statistics 2020-07-24 Christopher A. Metzler , Ali Mousavi , Reinhard Heckel , Richard G. Baraniuk

A deep neural network (DNN) is said to be undistillable if, when used as a black-box input-output teacher, it cannot be distilled through knowledge distillation (KD). In this case, the distilled student (referred to as the knockoff student)…

Machine Learning · Computer Science 2025-07-02 Linfeng Ye , Shayan Mohajer Hamidi , En-hui Yang

Current natural language understanding (NLU) models have been continuously scaling up, both in terms of model size and input context, introducing more hidden and input neurons. While this generally improves performance on average, the extra…

Computation and Language · Computer Science 2024-03-12 Yunchang Zhu , Liang Pang , Kangxi Wu , Yanyan Lan , Huawei Shen , Xueqi Cheng

A recent article proposed reduced mutual information for evaluation of clustering, classification and community detection. The motivation is that the standard normalized mutual information (NMI) may give counter-intuitive answers under…

Social and Information Networks · Computer Science 2020-05-15 Zhong-Yuan Zhang

Magnetic Resonance Imaging (MRI) is a critical tool in modern medical diagnostics, yet its prolonged acquisition time remains a critical limitation, especially in time-sensitive clinical scenarios. While undersampling strategies can…

Image and Video Processing · Electrical Eng. & Systems 2025-10-09 Mohammed Alsubaie , Wenxi Liu , Linxia Gu , Ovidiu C. Andronesi , Sirani M. Perera , Xianqi Li

Contrastive representation learning has proven to be an effective self-supervised learning method. Most successful approaches are based on Noise Contrastive Estimation (NCE) and use different views of an instance as positives that should be…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Julien Denize , Jaonary Rabarisoa , Astrid Orcesi , Romain Hérault , Stéphane Canu

The development of deep convolutional neural network architecture is critical to the improvement of image classification task performance. Many image classification studies use deep convolutional neural network and focus on modifying the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Ke Zhang , Yurong Guo , Xinsheng Wang , Dongliang Chang , Zhenbing Zhao , Zhanyu Ma , Tony X. Han

By locally encoding raw data into intermediate features, collaborative inference enables end users to leverage powerful deep learning models without exposure of sensitive raw data to cloud servers. However, recent studies have revealed that…

Machine Learning · Computer Science 2025-04-04 Song Xia , Yi Yu , Wenhan Yang , Meiwen Ding , Zhuo Chen , Ling-Yu Duan , Alex C. Kot , Xudong Jiang