中文
相关论文

相关论文: Self-Calibration and Biconvex Compressive Sensing

200 篇论文

We consider the problem of recovering a target matrix that is a superposition of low-rank and sparse components, from a small set of linear measurements. This problem arises in compressed sensing of structured high-dimensional signals such…

信息论 · 计算机科学 2012-02-22 John Wright , Arvind Ganesh , Kerui Min , Yi Ma

This paper proposes and analyzes a communication-efficient distributed optimization framework for general nonconvex nonsmooth signal processing and machine learning problems under an asynchronous protocol. At each iteration, worker machines…

最优化与控制 · 数学 2020-07-15 Jineng Ren , Jarvis Haupt

Multi-modal object detection in autonomous driving has achieved great breakthroughs due to the usage of fusing complementary information from different sensors. The calibration in fusion between sensors such as LiDAR and camera was always…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Zhihang Song , Dingyi Yao , Ruibo Ming , Lihui Peng , Danya Yao , Yi Zhang

We consider the problem of reconstructing an infinite set of sparse, finite-dimensional vectors, that share a common sparsity pattern, from incomplete measurements. This is in contrast to the work [17], where the single vector signal can be…

最优化与控制 · 数学 2021-11-29 Nick Dexter , Hoang Tran , Clayton Webster

Detection of a signal under noise is a classical signal processing problem. When monitoring spatial phenomena under a fixed budget, i.e., either physical, economical or computational constraints, the selection of a subset of available…

信号处理 · 电气工程与系统科学 2018-08-01 Mario Coutino , Sundeep Prabhakar Chepuri , Geert Leus

The paper considers the minimization of a separable convex function subject to linear ascending constraints. The problem arises as the core optimization in several resource allocation scenarios, and is a special case of an optimization of a…

最优化与控制 · 数学 2016-08-30 Akhil P T , Rajesh Sundaresan

With model trustworthiness being crucial for sensitive real-world applications, practitioners are putting more and more focus on improving the uncertainty calibration of deep neural networks. Calibration errors are designed to quantify the…

机器学习 · 计算机科学 2024-03-14 Sebastian G. Gruber , Florian Buettner

Repeated measurements are common in many fields, where random variables are observed repeatedly across different subjects. Such data have an underlying hierarchical structure, and it is of interest to learn covariance/correlation at…

统计方法学 · 统计学 2023-06-13 Sunpeng Duan , Guo Yu , Juntao Duan , Yuedong Wang

In this paper, we study a general framework for compressive sensing assuming the existence of the prior knowledge that $\boldsymbol{x}^*$ belongs to the union of multiple convex sets, $\boldsymbol{x}^{*} \in \bigcup_i \mathcal{C}_i$. In…

最优化与控制 · 数学 2019-08-14 Hang Zhang , Afshin Abdi , Faramarz Fekri

Compressive sensing (CS) technologies present many advantages over other existing approaches for implementing wideband spectrum sensing in cognitive radios (CRs), such as reduced sampling rate and computational complexity. However, there…

信息论 · 计算机科学 2016-07-15 Jing Jiang , Hongjian Sun , David Baglee , H. Vincent Poor

The random demodulator is a recent compressive sensing architecture providing efficient sub-Nyquist sampling of sparse band-limited signals. The compressive sensing paradigm requires an accurate model of the analog front-end to enable…

信息论 · 计算机科学 2013-03-26 Pawel Jerzy Pankiewicz , Thomas Arildsen , Torben Larsen

This paper considers the decentralized convex optimization problem, which has a wide range of applications in large-scale machine learning, sensor networks, and control theory. We propose novel algorithms that achieve optimal computation…

机器学习 · 计算机科学 2023-10-11 Haishan Ye , Luo Luo , Ziang Zhou , Tong Zhang

The theory behind compressive sampling pre-supposes that a given sequence of observations may be exactly represented by a linear combination of a small number of basis vectors. In practice, however, even small deviations from an exact…

最优化与控制 · 数学 2014-06-30 Jonathan M. Nichols , Albert K. Oh , Rebecca M. Willett

Many practical sensing applications involve multiple sensors simultaneously acquiring measurements of a single object. Conversely, most existing sparse recovery guarantees in compressed sensing concern only single-sensor acquisition…

信息论 · 计算机科学 2023-08-31 Il Yong Chun , Ben Adcock

Most intelligent transportation systems use a combination of radar sensors and cameras for robust vehicle perception. The calibration of these heterogeneous sensor types in an automatic fashion during system operation is challenging due to…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Christoph Schöller , Maximilian Schnettler , Annkathrin Krämmer , Gereon Hinz , Maida Bakovic , Müge Güzet , Alois Knoll

Sensors in high-precision mechatronic systems require accurate calibration, which is achieved using test beds that, in turn, require even more accurate calibration. The aim of this paper is to develop a cascaded calibration method for…

系统与控制 · 电气工程与系统科学 2023-04-07 Max van Meer , Emre Deniz , Gert Witvoet , Tom Oomen

We investigate the problem of estimating the 3D shape of an object defined by a set of 3D landmarks, given their 2D correspondences in a single image. A successful approach to alleviating the reconstruction ambiguity is the 3D deformable…

计算机视觉与模式识别 · 计算机科学 2017-01-12 Xiaowei Zhou , Menglong Zhu , Spyridon Leonardos , Kostas Daniilidis

This article proposes a novel algorithm for solving mismatch problem in compressed sensing. Its core is to transform mismatch problem into matched by constructing a new measurement matrix to match measurement value under unknown measurement…

信号处理 · 电气工程与系统科学 2024-10-31 Le Yang

In the context of distributed estimation, we consider the problem of sensor collaboration, which refers to the act of sharing measurements with neighboring sensors prior to transmission to a fusion center. While incorporating the cost of…

统计方法学 · 统计学 2015-06-22 Sijia Liu , Swarnendu Kar , Makan Fardad , Pramod K. Varshney

Compressed sensing is a novel research area, which was introduced in 2006, and since then has already become a key concept in various areas of applied mathematics, computer science, and electrical engineering. It surprisingly predicts that…

信息论 · 计算机科学 2012-08-29 Gitta Kutyniok