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The detection and localization of a target from samples of its generated field is a problem of interest in a broad range of applications. Often, the target field admits structural properties that enable the design of lower sample detection…

信息论 · 计算机科学 2016-01-28 Sunav Choudhary , Naveen Kumar , Srikanth Narayanan , Urbashi Mitra

Thermal infra-red (IR) images focus on changes of temperature distribution on facial muscles and blood vessels. These temperature changes can be regarded as texture features of images. A comparative study of face recognition methods working…

计算机视觉与模式识别 · 计算机科学 2013-09-05 Ayan Seal , Suranjan Ganguly , Debotosh Bhattacharjee , Mita Nasipuri , Dipak Kumar Basu

We present an experimental setup and methodology designed to facilitate high-precision thermal measurements required for infrared medical tomography. The approach which is best suited for the study of specialized hardware phantoms comprises…

医学物理 · 物理学 2026-04-08 Anna Frixou , Efstathios Stiliaris , Costas N. Papanicolas

This work introduces a thermoreflectance-based system designed to measure the surface temperature field of activated microelectronic devices at submicron spatial resolution with either a laser or a CCD camera. The article describes the…

材料科学 · 物理学 2007-09-13 P. -L. Komarov , M. G. Burzo , P. -E. Raad

This article presents a novel approach to solving the sparsity-constrained Orthogonal Nonnegative Matrix Factorization (SCONMF) problem, which requires decomposing a non-negative data matrix into the product of two lower-rank non-negative…

数据结构与算法 · 计算机科学 2025-04-07 Salar Basiri , Alisina Bayati , Srinivasa Salapaka

Breast cancer is becoming pervasive with each passing day. Hence, its early detection is a big step in saving the life of any patient. Mammography is a common tool in breast cancer diagnosis. The most important step here is classification…

计算机视觉与模式识别 · 计算机科学 2018-01-04 Aditya A. Shastri , Deepti Tamrakar , Kapil Ahuja

Alternating minimization represents a widely applicable and empirically successful approach for finding low-rank matrices that best fit the given data. For example, for the problem of low-rank matrix completion, this method is believed to…

机器学习 · 统计学 2012-12-04 Prateek Jain , Praneeth Netrapalli , Sujay Sanghavi

Effective non-parametric density estimation is a key challenge in high-dimensional multivariate data analysis. In this paper,we propose a novel approach that builds upon tensor factorization tools. Any multivariate density can be…

机器学习 · 统计学 2022-10-19 Magda Amiridi , Nikos Kargas , Nicholas D. Sidiropoulos

We consider the task of low-multilinear-rank functional regression, i.e., learning a low-rank parametric representation of functions from scattered real-valued data. Our first contribution is the development and analysis of an efficient…

统计计算 · 统计学 2018-09-26 Alex A. Gorodetsky , John D. Jakeman

Heterogeneous Face Recognition (HFR) aims at matching face images captured across different sensing modalities, such as thermal-to-visible or near-infrared-to-visible, enhancing the usability of face recognition systems in challenging…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Anjith George , Sebastien Marcel

Lock-in Thermography (LIT) is a type of Infrared Thermography (IRT) that can be used as a useful non-destructive testing (NDT) technique for the detection of subsurface anomalies in objects. Currently, LIT fails to estimate the thickness at…

应用物理 · 物理学 2019-03-08 Xiao Tian , Meng Yuan Yin , Kok Hin Henry Goh

The choice of the sensing matrix is crucial in compressed sensing. Random Gaussian sensing matrices satisfy the restricted isometry property, which is crucial for solving the sparse recovery problem using convex optimization techniques.…

信号处理 · 电气工程与系统科学 2023-12-29 Kartheek Kumar Reddy Nareddy , Abijith Jagannath Kamath , Chandra Sekhar Seelamantula

Recommendation systems often rely on point-wise loss metrics such as the mean squared error. However, in real recommendation settings only few items are presented to a user. This observation has recently encouraged the use of rank-based…

机器学习 · 计算机科学 2015-11-05 Phong Nguyen , Jun Wang , Alexandros Kalousis

Analyzing large X-ray diffraction (XRD) datasets is a key step in high-throughput mapping of the compositional phase diagrams of combinatorial materials libraries. Optimizing and automating this task can help accelerate the process of…

We present a compressive sensing based defect detection by multiple input multiple output (MIMO) wireless radar. Here, defects are inside a layered material structure, therefore, due to reflections from the surface of the layered material…

信号处理 · 电气工程与系统科学 2022-02-22 Udaya S. K. P. Miriya Thanthrige , Ali Kariminezhad , Peter Jung , Aydin Sezgin

Low-rank modeling generally refers to a class of methods that solve problems by representing variables of interest as low-rank matrices. It has achieved great success in various fields including computer vision, data mining, signal…

计算机视觉与模式识别 · 计算机科学 2014-10-24 Xiaowei Zhou , Can Yang , Hongyu Zhao , Weichuan Yu

Motivation: Post-processing of in-vivo diffusion tensor CMR (DT-CMR) is challenging due to the low SNR and variation in contrast between frames which makes image registration difficult, and the need to manually reject frames corrupted by…

图像与视频处理 · 电气工程与系统科学 2024-06-21 Fanwen Wang , Pedro F. Ferreira , Camila Munoz , Ke Wen , Yaqing Luo , Jiahao Huang , Yinzhe Wu , Dudley J. Pennell , Andrew D. Scott , Sonia Nielles-Vallespin , Guang Yang

Sparse representation classification achieves good results by addressing recognition problem with sufficient training samples per subject. However, SRC performs not very well for small sample data. In this paper, an inverse-projection group…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Xiaohui Yang , Xiaoying Jiang , Wenming Wu , Juan Zhang , Dan Long , Funa Zhou , Yiming Xu

Recently regression analysis becomes a popular tool for face recognition. The existing regression methods all use the one-dimensional pixel-based error model, which characterizes the representation error pixel by pixel individually and thus…

计算机视觉与模式识别 · 计算机科学 2014-05-07 Jian Yang , Jianjun Qian , Lei Luo , Fanlong Zhang , Yicheng Gao

Sparse storage formats are techniques for storing and processing the sparse matrix data efficiently. The performance of these storage formats depend upon the distribution of non-zeros, within the matrix in different dimensions. In order to…

数学软件 · 计算机科学 2012-02-28 Muhammad Taimoor Khan , Anila Usman