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The article proposes a novel near-field predictive beamforming framework for high-mobility wireless networks. Specifically, due to the spherical waves and non-uniform Doppler frequencies brought by the near-field region, the new ability of…

信号处理 · 电气工程与系统科学 2025-06-12 Hao Jiang , Zhaolin Wang , Yue Liu , Hyundong Shin , Arumugam Nallanathan , Yuanwei Liu

Compressed sensing has a wide range of applications that include error correction, imaging, radar and many more. Given a sparse signal in a high dimensional space, one wishes to reconstruct that signal accurately and efficiently from a…

数值分析 · 数学 2009-05-28 Deanna Needell

This paper provides an extension of compressed sensing which bridges a substantial gap between existing theory and its current use in real-world applications. It introduces a mathematical framework that generalizes the three standard…

信息论 · 计算机科学 2014-06-24 Ben Adcock , Anders C. Hansen , Clarice Poon , Bogdan Roman

Orthogonal Matching Pursuit (OMP) plays an important role in data science and its applications such as sparse subspace clustering and image processing. However, the existing OMP-based approaches lack of data adaptiveness so that the data…

机器学习 · 计算机科学 2019-09-02 Jiaqiyu Zhan , Zhiqiang Bai , Yuesheng Zhu

Level set method, introduced by Osher and Sethian [1], is a highly robust and accurate computational technique for tracking of moving interfaces in etching, deposition and photolithography processes. It originates from the idea to view the…

等离子体物理 · 物理学 2007-05-23 Branislav Radenovic , S. J. Kim , J. K. Lee

Recent work achieved impressive progress towards joint reconstruction of hands and manipulated objects from monocular color images. Existing methods focus on two alternative representations in terms of either parametric meshes or signed…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Zerui Chen , Yana Hasson , Cordelia Schmid , Ivan Laptev

This study proposes an end-to-end unsupervised diffeomorphic deformable registration framework based on moving mesh parameterization. Using this parameterization, a deformation field can be modeled with its transformation Jacobian…

图像与视频处理 · 电气工程与系统科学 2022-08-30 Ameneh Sheikhjafari , Deepa Krishnaswamy , Michelle Noga , Nilanjan Ray , Kumaradevan Punithakumar

This paper exploits recent developments in compressive sensing (CS) to efficiently perform the direction finding via amplitude comprarison. The new method is proposed based on unimodal characteristic of antenna pattern and sparse property…

信息论 · 计算机科学 2010-06-25 Ruiming Yang , Yipeng Liu , Qun Wan , Wanlin Yang

In this work, we present a new method for 3D face reconstruction from sparse-view RGB images. Unlike previous methods which are built upon 3D morphable models (3DMMs) with limited details, we leverage an implicit representation to encode…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Moran Li , Haibin Huang , Yi Zheng , Mengtian Li , Nong Sang , Chongyang Ma

Neural Radiance Fields (NeRFs) have emerged as powerful tools for capturing detailed 3D scenes through continuous volumetric representations. Recent NeRFs utilize feature grids to improve rendering quality and speed; however, these…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Tuan Pham , Stephan Mandt

The adoption of Transformer-based models in natural language processing (NLP) has led to great success using a massive number of parameters. However, due to deployment constraints in edge devices, there has been a rising interest in the…

计算与语言 · 计算机科学 2021-08-04 Klaudia Bałazy , Mohammadreza Banaei , Rémi Lebret , Jacek Tabor , Karl Aberer

Reliable segmentation of road lines and markings is critical to autonomous driving. Our work is motivated by the observations that road lines and markings are (1) frequently occluded in the presence of moving vehicles, shadow, and glare and…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Shan Wang , Chuong Nguyen , Jiawei Liu , Kaihao Zhang , Wenhan Luo , Yanhao Zhang , Sundaram Muthu , Fahira Afzal Maken , Hongdong Li

Current research on soft-biometrics showed that privacy-sensitive information can be deduced from biometric templates of an individual. Since for many applications, these templates are expected to be used for recognition purposes only, this…

计算机视觉与模式识别 · 计算机科学 2020-02-24 Philipp Terhörst , Marco Huber , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

Magnetic Resonance (MR) Fingerprinting is an emerging multi-parametric quantitative MR imaging technique, for which image reconstruction methods utilizing low-rank and subspace constraints have achieved state-of-the-art performance.…

图像与视频处理 · 电气工程与系统科学 2023-05-26 Hengfa Lu , Huihui Ye , Lawrence L. Wald , Bo Zhao

The Radio frequency (RF) fingerprinting technique makes highly secure device authentication possible for future networks by exploiting hardware imperfections introduced during manufacturing. Although this technique has received considerable…

人工智能 · 计算机科学 2023-02-23 Chuanting Zhang , Shuping Dang , Junqing Zhang , Haixia Zhang , Mark A. Beach

The sparse modeling is an evident manifestation capturing the parsimony principle just described, and sparse models are widespread in statistics, physics, information sciences, neuroscience, computational mathematics, and so on. In…

机器学习 · 计算机科学 2023-08-29 Jianyi Lin

Face segmentation is the task of densely labeling pixels on the face according to their semantics. While current methods place an emphasis on developing sophisticated architectures, use conditional random fields for smoothness, or rather…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Iacopo Masi , Joe Mathai , Wael AbdAlmageed

The proliferation of sophisticated image editing tools and generative artificial intelligence models has made verifying the authenticity of digital images increasingly challenging, with important implications for journalism, forensic…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Kaixiang Zhao , Tianrun Yu , Aoxu Zhang , Junhao Su , Porter Jenkins , Amanda Hughes

Fingerprints are widely recognized as one of the most unique and reliable characteristics of human identity. Most modern fingerprint authentication systems rely on contact-based fingerprints, which require the use of fingerprint scanners or…

计算机视觉与模式识别 · 计算机科学 2023-11-28 M. G. Sarwar Murshed , Syed Konain Abbas , Sandip Purnapatra , Daqing Hou , Faraz Hussain

When considering sparse motion capture marker data, one typically struggles to balance its overfitting via a high dimensional blendshape system versus underfitting caused by smoothness constraints. With the current trend towards using more…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Matthew Cong , Lana Lan , Ronald Fedkiw