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In this paper we propose a matched encoding (ME) scheme for convolutionally encoded transmission over intersymbol interference (usually called ISI) channels. A novel trellis description enables to perform equalization and decoding jointly,…

Information Theory · Computer Science 2012-10-05 Fabian Schuh , Andreas Schenk , Johannes B. Huber

In this report, a novel efficient algorithm for recovery of jointly sparse signals (sparse matrix) from multiple incomplete measurements has been presented, in particular, the NESTA-based MMV optimization method. In a nutshell, the jointly…

Information Theory · Computer Science 2009-05-21 Lianlin Li , Fang Li

Remote sensing (RS) cross-modal text-image retrieval has attracted extensive attention for its advantages of flexible input and efficient query. However, traditional methods ignore the characteristics of multi-scale and redundant targets in…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Zhiqiang Yuan , Wenkai Zhang , Kun Fu , Xuan Li , Chubo Deng , Hongqi Wang , Xian Sun

Track reconstruction in high track multiplicity environments at current and future high rate particle physics experiments is a big challenge and very time consuming. The search for track seeds and the fitting of track candidates are usually…

Instrumentation and Detectors · Physics 2016-12-21 Andre Schöning

Intelligent reflecting surface (IRS) has gained great attention for its ability to create favorable propagation environments. However, the power consumption of conventional IRSs cannot be ignored due to the large number of reflecting…

Signal Processing · Electrical Eng. & Systems 2025-06-13 Weibiao Zhao , Qiucen Wu , Yuanqi Tang , Yu Zhu

In this paper, we focus our attention on the high-dimensional double sparse linear regression, that is, a combination of element-wise and group-wise sparsity. To address this problem, we propose an IHT-style (iterative hard thresholding)…

Statistics Theory · Mathematics 2024-12-10 Yanhang Zhang , Zhifan Li , Shixiang Liu , Jianxin Yin

The hit combinatorial problem is a main challenge for track reconstruction and triggering at high rate experiments. At hadron colliders the dominant fraction of hits is due to low momentum tracks for which multiple scattering (MS) effects…

Instrumentation and Detectors · Physics 2015-06-22 Andre Schöning

In order to compute the best low-rank tensor approximation using the Multilinear Tensor Decomposition (MTD) model, it is essential to estimate the rank of the underlying multilinear tensor from the noisy observation tensor. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Xu Han , Laurent Albera , Amar Kachenoura , Huazhong Shu , Lotfi Senhadji

The multichannel rendezvous problem (MRP) is a critical challenge for neighbor discovery in IoT applications, requiring two users to find each other by hopping among available channels over time. This paper addresses the MRP in scenarios…

Networking and Internet Architecture · Computer Science 2025-09-03 Yi-Chia Cheng , Cheng-Shang Chang

Sparse intersymbol-interference (ISI) channels are encountered in a variety of high-data-rate communication systems. Such channels have a large channel memory length, but only a small number of significant channel coefficients. In this…

Information Theory · Computer Science 2016-11-17 Jan Mietzner , Sabah Badri-Hoeher , Ingmar Land , Peter A. Hoeher

Iterative Hard Thresholding (IHT) is a class of projected gradient descent methods for optimizing sparsity-constrained minimization models, with the best known efficiency and scalability in practice. As far as we know, the existing…

Machine Learning · Computer Science 2017-06-22 Bo Liu , Xiao-Tong Yuan , Lezi Wang , Qingshan Liu , Dimitris N. Metaxas

Semi-supervised learning (SSL) algorithms have had great success in recent years in limited labeled data regimes. However, the current state-of-the-art SSL algorithms are computationally expensive and entail significant compute time and…

Machine Learning · Computer Science 2021-10-29 Krishnateja Killamsetty , Xujiang Zhao , Feng Chen , Rishabh Iyer

Multi-target Multi-camera Tracking (MTMCT) aims to extract the trajectories from videos captured by a set of cameras. Recently, the tracking performance of MTMCT is significantly enhanced with the employment of re-identification (Re-ID)…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Peng Li , Jiabin Zhang , Zheng Zhu , Yanwei Li , Lu Jiang , Guan Huang

Multi-antenna relays and intelligent reflecting surfaces (IRSs) have been utilized to construct favorable channels to improve the performance of wireless systems. A common feature between relay systems and IRS-aided systems is the two-hop…

Information Theory · Computer Science 2024-02-07 Zeyan Zhuang , Xin Zhang , Dongfang Xu , Shenghui Song

We propose a method for multi-object tracking and segmentation based on a novel memory-based mechanism to associate tracklets. The proposed tracker, MeNToS, addresses particularly the long-term data association problem, when objects are not…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Mehdi Miah , Guillaume-Alexandre Bilodeau , Nicolas Saunier

Recent works in multiple object tracking use sequence model to calculate the similarity score between the detections and the previous tracklets. However, the forced exposure to ground-truth in the training stage leads to the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-06 Tao Hu , Lichao Huang , Han Shen

Before establishing a communication link in a cellular network, the user terminal must activate a synchronization procedure called initial cell search in order to acquire specific information about the serving base station. To accomplish…

Information Theory · Computer Science 2016-09-16 M. Morelli , M. Moretti

High-resolution remote sensing images (HRRSIs) contain substantial ground object information, such as texture, shape, and spatial location. Semantic segmentation, which is an important task for element extraction, has been widely used in…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Haifeng Li , Kaijian Qiu , Li Chen , Xiaoming Mei , Liang Hong , Chao Tao

Integrated super-resolution sensing and communication (ISSAC) has emerged as a promising technology to achieve extremely high precision sensing for those key parameters, such as the angles of the sensing targets. In this paper, we propose…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Jingran Xu , Huizhi Wang , Yong Zeng , Xiaoli Xu , Qingqing Wu , Fei Yang , Yan Chen , Abbas Jamalipour

Multi-contrast magnetic resonance imaging (MRI) is widely used in clinical practice as each contrast provides complementary information. However, the availability of each imaging contrast may vary amongst patients, which poses challenges to…

Image and Video Processing · Electrical Eng. & Systems 2023-03-31 Jiang Liu , Srivathsa Pasumarthi , Ben Duffy , Enhao Gong , Keshav Datta , Greg Zaharchuk