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Multivariate Pattern (MVP) classification holds enormous potential for decoding visual stimuli in the human brain by employing task-based fMRI data sets. There is a wide range of challenges in the MVP techniques, i.e. decreasing noise and…

机器学习 · 统计学 2016-12-28 Muhammad Yousefnezhad , Daoqiang Zhang

P- and S-wave decomposition is essential for imaging multi-component seismic data in elastic media. A data-driven workflow is proposed to obtain a set of spatial filters that are highly accurate and artifact-free in decomposing the P- and…

地球物理 · 物理学 2021-12-22 Wenlong Wang , Jianwei Ma , George A. McMechan

This paper proposes novel spectrum sensing algorithms for cognitive radio networks. By assuming known transmitter pulse shaping filter, synchronous and asynchronous receiver scenarios have been considered. For each of these scenarios, the…

最优化与控制 · 数学 2013-12-31 Tadilo Endeshaw Bogale , Luc Vandendorpe

Recognising previously visited locations is an important, but unsolved, task in autonomous navigation. Current visual place recognition (VPR) benchmarks typically challenge models to recover the position of a query image (or images) from…

计算机视觉与模式识别 · 计算机科学 2022-02-14 Anil Ozdemir , Mark Scerri , Andrew B. Barron , Andrew Philippides , Michael Mangan , Eleni Vasilaki , Luca Manneschi

In machine learning, the exponential growth of data and the associated ``curse of dimensionality'' pose significant challenges, particularly with expansive yet sparse datasets. Addressing these challenges, multi-view ensemble learning (MEL)…

In this article we present the results of our research related to the study of correlations between specific visual stimulation and the elicited brain's electro-physiological response collected by EEG sensors from a group of participants.…

机器学习 · 计算机科学 2017-08-04 Iaroslav Omelianenko

The recent advances in deep learning indicate significant progress in the field of single image super-resolution. With the advent of these techniques, high-resolution image with high peak signal to noise ratio (PSNR) and excellent…

图像与视频处理 · 电气工程与系统科学 2020-04-09 Meenu Ajith , Aswathy Rajendra Kurup , Manel Martínez-Ramón

For real-world BCI applications, lightweight Electroencephalography (EEG) systems offer the best cost-deployment balance. However, such spatial sparsity of EEG limits spatial fidelity, hurting learning and introducing bias. EEG spatial…

多媒体 · 计算机科学 2026-02-24 Hongjun Liu , Leyu Zhou , Zijianghao Yang , Chao Yao

We introduce Variational State-Space Filters (VSSF), a new method for unsupervised learning, identification, and filtering of latent Markov state space models from raw pixels. We present a theoretically sound framework for latent state…

机器学习 · 计算机科学 2022-03-22 Daniel Pfrommer , Nikolai Matni

The recently developed and publicly available synthetic image generation methods and services make it possible to create extremely realistic imagery on demand, raising great risks for the integrity and safety of online information.…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Christos Koutlis , Symeon Papadopoulos

Biologically inspired event-based vision sensors (EVS) are growing in popularity due to performance benefits including ultra-low power consumption, high dynamic range, data sparsity, and fast temporal response. They efficiently encode…

图像与视频处理 · 电气工程与系统科学 2024-04-12 Brian McReynolds , Rui Graca , Lucas Kulesza , Peter McMahon-Crabtree

Implicit Neural Representations (INRs) have garnered significant attention for their ability to model complex signals in various domains. Recently, INR-based frameworks have shown promise in neural video compression by embedding video…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Taiga Hayami , Kakeru Koizumi , Hiroshi Watanabe

We develop a semi-supervised variational autoencoder (SSVAE) framework to reconstruct and generate neutron star (NS) equations of state (EOS). The SSVAE consists of an encoder network that maps high-dimensional EOS data into a…

天体物理仪器与方法 · 物理学 2026-05-28 Tianqi Zhao , Fanglida Yan , Alex Ross , James M. Lattimer

There has recently been great interest in neural rendering methods. Some approaches use 3D geometry reconstructed with Multi-View Stereo (MVS) but cannot recover from the errors of this process, while others directly learn a volumetric…

计算机视觉与模式识别 · 计算机科学 2021-09-09 Georgios Kopanas , Julien Philip , Thomas Leimkühler , George Drettakis

Physics-based inverse modeling techniques are typically restricted to particular research fields, whereas popular machine-learning-based ones are too data-dependent to guarantee the physical compatibility of the solution. In this paper,…

神经与进化计算 · 计算机科学 2023-01-18 Ruiyuan Kang , Dimitrios C. Kyritsis , Panos Liatsis

Representation learning often plays a critical role in reinforcement learning by managing the curse of dimensionality. A representative class of algorithms exploits a spectral decomposition of the stochastic transition dynamics to construct…

机器学习 · 计算机科学 2023-03-08 Tongzheng Ren , Tianjun Zhang , Lisa Lee , Joseph E. Gonzalez , Dale Schuurmans , Bo Dai

Spectral computed tomography (CT) is an emerging technology capable of providing high chemical specificity, which is crucial for many applications such as detecting threats in luggage. This type of application requires both fast and…

图像与视频处理 · 电气工程与系统科学 2021-03-30 Wail Mustafa , Christian Kehl , Ulrik Lund Olsen , Søren Kimmer Schou Gregersen , David Malmgren-Hansen , Jan Kehres , Anders Bjorholm Dahl

The recovery of block-sparse signals with unknown structural patterns remains a fundamental challenge in structured sparse signal reconstruction. By proposing a variance transformation framework, this paper unifies existing pattern-based…

最优化与控制 · 数学 2026-04-13 Yanhao Zhang , Zhihan Zhu , Yong Xia

Spiking neural networks (SNNs) are emerging as a promising alternative to traditional artificial neural networks (ANNs), offering biological plausibility and energy efficiency. Despite these merits, SNNs are frequently hampered by limited…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Yi Xiao , Qiangqiang Yuan , Kui Jiang , Wenke Huang , Qiang Zhang , Tingting Zheng , Chia-Wen Lin , Liangpei Zhang

Deep convolutional neural networks achieve remarkable performance by exhaustively processing dense spatial feature maps, yet this brute-force strategy introduces significant computational redundancy and encourages reliance on spurious…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Tom Devynck , Bilal Faye , Djamel Bouchaffra , Nadjib Lazaar , Hanane Azzag , Mustapha Lebbah