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The Ensemble Empirical Mode Decomposition (EEMD) has become a preferred technique to decompose nonlinear and non-stationary signals due to its ability to create time-varying basis functions. However, current EEMD signal cleaning techniques…

信号处理 · 电气工程与系统科学 2022-08-29 Kentaro Hoffman , Jonathan M. Lees , Kai Zhang

We reduce training time in convolutional networks (CNNs) with a method that, for some of the mini-batches: a) scales down the resolution of input images via downsampling, and b) reduces the forward pass operations via pooling on the…

机器学习 · 计算机科学 2019-10-16 Zissis Poulos , Ali Nouri , Andreas Moshovos

Periodic nonuniform sampling has been considered in literature as an effective approach to reduce the sampling rate far below the Nyquist rate for sparse spectrum multiband signals. In the presence of non-ideality the sampling parameters…

系统与控制 · 计算机科学 2010-10-12 Moslem Rashidi , Sara Mansouri

Segmentation and classification of large numbers of instances, such as cell nuclei, are crucial tasks in digital pathology for accurate diagnosis. However, the availability of high-quality datasets for deep learning methods is often limited…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Laura Gálvez Jiménez , Christine Decaestecker

In this paper a signal denoising scheme based on Empirical mode decomposition (EMD) is presented. The denoising method is a fully data driven approach. Noisy signal is decomposed adaptively into intrinsic oscillatory components called…

信息论 · 计算机科学 2014-06-02 Mina Kemiha

Electromyography (EMG) is a way of measuring the bioelectric activities that take place inside the muscles. EMG is usually performed to detect abnormalities within the nerves or muscles of a target area. The recent developments in the field…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Niloy Sikder , Abu Shamim Mohammad Arif , Abdullah-Al Nahid

Distribution shift poses a significant challenge in machine learning, particularly in biomedical applications using data collected across different subjects, institutions, and recording devices, such as sleep data. While existing…

机器学习 · 计算机科学 2026-02-02 Théo Gnassounou , Antoine Collas , Rémi Flamary , Alexandre Gramfort

Cognitive decline is a natural part of aging. However, under some circumstances, this decline is more pronounced than expected, typically due to disorders such as Alzheimer's disease. Early detection of an anomalous decline is crucial, as…

Sleep is crucial for human health, and EEG signals play a significant role in sleep research. Due to the high-dimensional nature of EEG signal data sequences, data visualization and clustering of different sleep stages have been challenges.…

机器学习 · 计算机科学 2024-09-04 Yangfan Deng , Hamad Albidah , Ahmed Dallal , Jijun Yin , Zhi-Hong Mao

Although deep neural networks have provided impressive gains in performance, these improvements often come at the cost of increased computational complexity and expense. In many cases, such as 3D volume or video classification tasks, not…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Sharath M Shankaranarayana , Soumava Kumar Roy , Prasad Sudhakar , Chandan Aladahalli

Sampling theories lie at the heart of signal processing devices and communication systems. To accommodate high operating rates while retaining low computational cost, efficient analog-to digital (ADC) converters must be developed. Many of…

信息论 · 计算机科学 2010-10-12 Moslem Rashidi

In semantic segmentation, training data down-sampling is commonly performed due to limited resources, the need to adapt image size to the model input, or improve data augmentation. This down-sampling typically employs different strategies…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Roberto Alcover-Couso , Marcos Escudero-Vinolo , Juan C. SanMiguel , Jose M. Martinez

Large annotated datasets are crucial for the success of deep neural networks, but labeling data can be prohibitively expensive in domains such as medical imaging. This work tackles the subset selection problem: selecting a small set of the…

机器学习 · 计算机科学 2025-09-29 Noga Bar , Raja Giryes

A vast amount of literature has recently focused on the "Neural Collapse" (NC) phenomenon, which emerges when training neural network (NN) classifiers beyond the zero training error point. The core component of NC is the decrease in the…

机器学习 · 计算机科学 2025-04-28 Vignesh Kothapalli , Tom Tirer

This study proposes a novel perspective on multimodal deep learning for biomedical signal classification, systematically analyzing how complementary feature domains impact model performance. While fusing multiple domains often presumes…

机器学习 · 计算机科学 2025-08-05 Timothy Oladunni , Alex Wong

We theoretically investigate the phenomena of generalization and memorization in diffusion models. Empirical studies suggest that these phenomena are influenced by model complexity and the size of the training dataset. In our experiments,…

机器学习 · 计算机科学 2025-10-09 Anand Jerry George , Rodrigo Veiga , Nicolas Macris

Spatially-varying intensity noise is a common source of distortion in medical images. Bias field noise is one example of such a distortion that is often present in the magnetic resonance (MR) images or other modalities such as retina…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Reza Abbasi-Asl , Aboozar Ghaffari , Emad Fatemizadeh

Although deep learning models in medical imaging often achieve excellent classification performance, they can rely on shortcut learning, exploiting spurious correlations or confounding factors that are not causally related to the target…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Sarah Müller , Philipp Berens

Downsampling is one of the most basic image processing operations. Improper spatio-temporal downsampling applied on videos can cause aliasing issues such as moir\'e patterns in space and the wagon-wheel effect in time. Consequently, the…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Xiaoyu Xiang , Yapeng Tian , Vijay Rengarajan , Lucas Young , Bo Zhu , Rakesh Ranjan

Acoustic scene classification is an intricate problem for a machine. As an emerging field of research, deep Convolutional Neural Networks (CNN) achieve convincing results. In this paper, we explore the use of multi-scale Dense connected…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Dawei Feng , Kele Xu , Haibo Mi , Feifan Liao , Yan Zhou