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Related papers: Kronecker STAP and SAR GMTI

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There has been much recent interest in adapting undersampled trajectories in MRI based on training data. In this work, we propose a novel patient-adaptive MRI sampling algorithm based on grouping scans within a training set. Scan-adaptive…

Image and Video Processing · Electrical Eng. & Systems 2026-02-26 Siddhant Gautam , Angqi Li , Saiprasad Ravishankar

The rapid advancement of high degree-of-freedom (DoF) serial manipulators necessitates the use of swift, sampling-based motion planners for high-dimensional spaces. While sampling-based planners like the Rapidly-Exploring Random Tree (RRT)…

Robotics · Computer Science 2026-03-06 Theodore M. Belmont , Benjamin A. Christie , Anton Netchaev

The analysis of Synthetic Aperture Radar (SAR) imagery is an important step in remote sensing applications, and it is a challenging problem due to its inherent speckle noise. One typical solution is to model the data using the $G_I^0$…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Li Fan , Jeova Farias Sales Rocha Neto

Conventional focusing methods for Synthetic Aperture Radar (SAR) employ block processing efficiently but remain latency-heavy processes that prevent the realisation of a closed-loop cognitive SAR vision system. We present the first Online…

Image and Video Processing · Electrical Eng. & Systems 2026-05-12 Sebastian Fieldhouse , Roberto Del Prete , Gabriele Daga , Nathaniel Rensly , Gabriele Meoni , Kea-Tiong Tang

We consider the problem of grasping in clutter. While there have been motion planners developed to address this problem in recent years, these planners are mostly tailored for open-loop execution. Open-loop execution in this domain,…

Robotics · Computer Science 2018-10-10 Wisdom C. Agboh , Mehmet R. Dogar

Grasping in dense clutter is a fundamental skill for autonomous robots. However, the crowdedness and occlusions in the cluttered scenario cause significant difficulties to generate valid grasp poses without collisions, which results in low…

Robotics · Computer Science 2022-07-26 Zhan Liu , Ziwei Wang , Sichao Huang , Jie Zhou , Jiwen Lu

Obstacle avoidance for Unmanned Aerial Vehicles (UAVs) in cluttered environments is significantly challenging. Existing obstacle avoidance for UAVs either focuses on fully static environments or static environments with only a few dynamic…

Robotics · Computer Science 2023-12-15 Minghao Lu , Xiyu Fan , Han Chen , Peng Lu

We study the classification performance of Kronecker-structured models in two asymptotic regimes and developed an algorithm for separable, fast and compact K-S dictionary learning for better classification and representation of…

Information Theory · Computer Science 2018-10-26 Ishan Jindal , Matthew Nokleby

Stack filters are a special case of non-linear filters. They have a good performance for filtering images with different types of noise while preserving edges and details. A stack filter decomposes an input image into several binary images…

Computer Vision and Pattern Recognition · Computer Science 2012-07-19 Maria E. Buemi , Marta Mejail , Julio Jacobo , Alejandro C. Frery , Heitor S. Ramos

Synthetic aperture radar (SAR) is a day or night any-weather imaging modality that is an important tool in remote sensing. Most existing SAR image formation methods result in a maximum a posteriori image which approximates the reflectivity…

Applications · Statistics 2020-07-14 Victor Churchill , Anne Gelb

The coexistence of radar and communications in wireless systems marks a paradigm shift for the sixth-generation (6G) networks. As 6G systems are expected to operate at higher frequencies and employ larger antenna arrays than…

Signal Processing · Electrical Eng. & Systems 2025-11-04 M. Ertug Pihtili , Julia Equi , Ossi Kaltiokallio , Jukka Talvitie , Elena Simona Lohan , Ertugrul Basar , Mikko Valkama

This paper studies introducing viewpoint invariant feature representations in existing action recognition architecture. Despite significant progress in action recognition, efficiently handling geometric variations in large-scale datasets…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Jinhui Ye , Junwei Liang

Change detection (CD) in remote sensing aims to identify semantic differences between satellite images captured at different times. While deep learning has significantly advanced this field, existing approaches based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Durgesh Ameta , Ujjwal Mishra , Praful Hambarde , Amit Shukla

With the rapid evolution of GPU architectures, the heterogeneity of model training infrastructures is steadily increasing. In such environments, effectively utilizing all available heterogeneous accelerators becomes critical for distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-05 Antian Liang , Zhigang Zhao , Kai Zhang , Xuri Shi , Chuantao Li , Chunxiao Wang , Zhenying He , Yinan Jing , X. Sean Wang

Multi-sensor tracking in the real world involves asynchronous sensors with partial coverage and heterogeneous detection performance. Although probabilistic tracking methods permit detection probability and clutter intensity to depend on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Martin Vonheim Larsen , Kim Mathiassen

This paper presents measures to reduce the computation time of automotive synthetic aperture radar (SAR) imaging to achieve real-time capability. For this, the image formation, which is based on the Back-Projection algorithm, was thoroughly…

Signal Processing · Electrical Eng. & Systems 2023-06-19 Marcel Hoffmann , Theresa Noegel , Christian Schüßler , Lars Schwenger , Peter Gulden , Dietmar Fey , Martin Vossiek

Motion retargeting seeks to faithfully replicate the spatio-temporal motion characteristics of a source character onto a target character with a different body shape. Apart from motion semantics preservation, ensuring geometric plausibility…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Xiaohang Yang , Qing Wang , Jiahao Yang , Gregory Slabaugh , Shanxin Yuan

We consider a synthetic aperture radar (SAR) system that uses ultra-narrowband continuous waveforms (CW) as an illumination source. Such a system has many practical advantages, such as the use of relatively simple, low-cost and low-power…

Instrumentation and Detectors · Physics 2013-02-22 Ling Wang , Birsen Yazici

The incoherent scatter radar (ISR) technique is a powerful remote sensing tool for ionosphere and thermosphere dynamics in the near-Earth space environment. Weak ISR scatter from naturally occurring Langmuir oscillations, or plasma lines,…

Data Analysis, Statistics and Probability · Physics 2023-12-01 Natalie Hilliard , Juha Vierinen , Philip J. Erickson

This paper considers the problem of spatiotemporal object-centric reasoning in videos. Central to our approach is the notion of object permanence, i.e., the ability to reason about the location of objects as they move through the video…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Honglu Zhou , Asim Kadav , Farley Lai , Alexandru Niculescu-Mizil , Martin Renqiang Min , Mubbasir Kapadia , Hans Peter Graf
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