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Long-range and short-range temporal modeling are two complementary and crucial aspects of video recognition. Most of the state-of-the-arts focus on short-range spatio-temporal modeling and then average multiple snippet-level predictions to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Wenhao Wu , Yuxiang Zhao , Yanwu Xu , Xiao Tan , Dongliang He , Zhikang Zou , Jin Ye , Yingying Li , Mingde Yao , Zichao Dong , Yifeng Shi

Communication in high frequencies such as millimeter wave and terahertz suffer from high path-loss and intense shadowing which necessitates beamforming for reliable data transmission. On the other hand, at high frequencies the channels are…

Machine Learning · Computer Science 2021-02-23 Abbas Khalili , Sundeep Rangan , Elza Erkip

Siamese network based trackers formulate tracking as convolutional feature cross-correlation between target template and searching region. However, Siamese trackers still have accuracy gap compared with state-of-the-art algorithms and they…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Bo Li , Wei Wu , Qiang Wang , Fangyi Zhang , Junliang Xing , Junjie Yan

In this paper, we present a single-pixel compressive direction of arrival (DoA) estimation technique leveraging a graph attention network (GAT)-based deep-learning framework. The physical layer compression is achieved using a coded-aperture…

Signal Processing · Electrical Eng. & Systems 2021-11-03 Kürşat Tekbıyık , Okan Yurduseven , Güneş Karabulut Kurt

In contrast to fully-supervised models, self-supervised representation learning only needs a fraction of data to be labeled and often achieves the same or even higher downstream performance. The goal is to pre-train deep neural networks on…

Machine Learning · Computer Science 2025-04-09 Friederike Baier , Sebastian Mair , Samuel G. Fadel

Medical image recognition often faces the problem of insufficient data in practical applications. Image recognition and processing under few-shot conditions will produce overfitting, low recognition accuracy, low reliability and…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Zihao Huang , Yue Wang , Weixing Xin , Xingtong Lin , Huizhen Li , Haowen Chen , Yizhen Lao , Xia Chen

Recently, the Siamese-based method has stood out from multitudinous tracking methods owing to its state-of-the-art (SOTA) performance. Nevertheless, due to various special challenges in UAV tracking, \textit{e.g.}, severe occlusion and fast…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Ziang Cao , Changhong Fu , Junjie Ye , Bowen Li , Yiming Li

Direction-of-Arrival (DOA) estimation is critical in spatial audio and acoustic signal processing, with wide-ranging applications in real-world. Most existing DOA models are trained on synthetic data by convolving clean speech with room…

Sound · Computer Science 2025-11-12 Haowen Li , Zhengding Luo , Dongyuan Shi , Boxiang Wang , Junwei Ji , Ziyi Yang , Woon-Seng Gan

To support mechanism online learning and facilitate digital twin development for biomanufacturing processes, this paper develops an efficient Bayesian inference approach for partially observed enzymatic stochastic reaction network (SRN), a…

Machine Learning · Statistics 2024-07-02 Wandi Xu , Wei Xie

As the deployment of artifical intelligence (AI) algorithms at edge devices becomes increasingly prevalent, enhancing the robustness and reliability of autonomous AI-based perception and decision systems is becoming as relevant as precision…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Jon Gutiérrez-Zaballa , Koldo Basterretxea , Javier Echanobe

Radar processing via spiking neural networks (SNNs) has recently emerged as a solution in the field of ultra-low-power wireless human-computer interaction. Compared to traditional energy- and area-hungry deep learning methods, SNNs are…

Signal Processing · Electrical Eng. & Systems 2021-08-25 Ali Safa , André Bourdoux , Ilja Ocket , Francky Catthoor , Georges G. E. Gielen

Single-image super-resolution (SISR) is an important task in image processing, which aims to enhance the resolution of imaging systems. Recently, SISR has made a huge leap and has achieved promising results with the help of deep learning…

Image and Video Processing · Electrical Eng. & Systems 2024-04-15 Juncheng Li , Zehua Pei , Wenjie Li , Guangwei Gao , Longguang Wang , Yingqian Wang , Tieyong Zeng

Deep neural networks (DNNs) have found applications in diverse signal processing (SP) problems. Most efforts either directly adopt the DNN as a black-box approach to perform certain SP tasks without taking into account of any known…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Zhe Zhang , Xiang Chen , Zhi Tian

The estimation of the direction of electromagnetic (EM) waves from a radio source using electrically short antennas is one of the challenging problems in the field of radio astronomy. In this paper we have developed an algorithm which…

Instrumentation and Methods for Astrophysics · Physics 2023-07-05 Harsha A. Tanti , Abhirup Datta , S. Ananthakrishnan

In this paper, we study the challenging problem of multi-object tracking in a complex scene captured by a single camera. Different from the existing tracklet association-based tracking methods, we propose a novel and efficient way to obtain…

Computer Vision and Pattern Recognition · Computer Science 2016-09-27 Bing Wang , Li Wang , Bing Shuai , Zhen Zuo , Ting Liu , Kap Luk Chan , Gang Wang

Sparse arrays with $N$-sensors can provide up to $O(N^2)$ degrees of freedom (DOF) by second-order cumulants. However, these sparse arrays like minimum-/low-redundancy arrays (MRAs/LRAs), nested arrays and coprime arrays can only provide…

Signal Processing · Electrical Eng. & Systems 2025-03-25 Si Wang , Guoqiang Xiao

This paper explores a fully unsupervised deep learning approach for computing distance-preserving maps that generate low-dimensional embeddings for a certain class of manifolds. We use the Siamese configuration to train a neural network to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Gautam Pai , Ronen Talmon , Alex Bronstein , Ron Kimmel

6DOF camera relocalization is an important component of autonomous driving and navigation. Deep learning has recently emerged as a promising technique to tackle this problem. In this paper, we present a novel relative geometry-aware Siamese…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Qing Li , Jiasong Zhu , Rui Cao , Ke Sun , Jonathan M. Garibaldi , Qingquan Li , Bozhi Liu , Guoping Qiu

Benefiting from a relatively larger aperture's angle, and in combination with a wide transmitting bandwidth, near-field synthetic aperture radar (SAR) provides a high-resolution image of a target's scattering distribution-hot spots.…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Xu Zhan , Xiaoling Zhang , Wensi Zhang , Jun Shi , Shunjun Wei , Tianjiao Zeng

The demand for efficient processing of deep neural networks (DNNs) on embedded devices is a significant challenge limiting their deployment. Exploiting sparsity in the network's feature maps is one of the ways to reduce its inference…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Matteo Grimaldi , Darshan C. Ganji , Ivan Lazarevich , Sudhakar Sah