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Automotive synthetic aperture radar (SAR) can achieve a significant angular resolution enhancement for detecting static objects, which is essential for automated driving. Obtaining high resolution SAR images requires precise ego vehicle…

Signal Processing · Electrical Eng. & Systems 2022-04-25 Oded Bialer , Tom Tirer

Recurrent Neural Networks (RNN) can be difficult to deploy on resource constrained devices due to their size.As a result, there is a need for compression techniques that can significantly compress RNNs without negatively impacting task…

Machine Learning · Computer Science 2020-02-03 Urmish Thakker , Jesse Beu , Dibakar Gope , Chu Zhou , Igor Fedorov , Ganesh Dasika , Matthew Mattina

Data and data sources have become increasingly essential in recent decades. Scientists and researchers require more data to deploy AI approaches as the field continues to improve. In recent years, the rapid technological advancements have…

Image and Video Processing · Electrical Eng. & Systems 2021-08-26 Necmettin Bayar , W. T Al-Shaibani , Ibraheem Shayea , Abdulkader Taha , Azizul Azizan

Multi-Camera Multi-Object Tracking (MC-MOT) utilizes information from multiple views to better handle problems with occlusion and crowded scenes. Recently, the use of graph-based approaches to solve tracking problems has become very…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Cheng-Che Cheng , Min-Xuan Qiu , Chen-Kuo Chiang , Shang-Hong Lai

This paper describes a new benchmark tool, Spatter, for assessing memory system architectures in the context of a specific category of indexed accesses known as gather and scatter. These types of operations are increasingly used to express…

Performance · Computer Science 2020-07-09 Patrick Lavin , Jeffrey Young , Jason Riedy , Richard Vuduc , Aaron Vose , Dan Ernst

We consider multiple-input multiple-output (MIMO) radar systems with widely-spaced antennas. Such antenna configuration facilitates capturing the inherent diversity gain due to independent signal dispersion by the target scatterers. We…

Information Theory · Computer Science 2015-10-28 Ali Tajer , Guido H. Jajamovich , Xiaodong Wang , George V. Moustakides

Human Action Recognition (HAR) is an interesting research area in human-computer interaction used to monitor the activities of elderly and disabled individuals affected by physical and mental health. In the recent era, skeleton-based HAR…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Faisal Mehmood , Enqing Chen , Touqeer Abbas , Samah M. Alzanin

Dual-function radar-communication (DFRC), which can simultaneously perform both radar and communication functionalities using the same hardware platform, spectral resource and transmit waveform, is a promising technique for realizing…

Signal Processing · Electrical Eng. & Systems 2022-05-31 R. Liu , M. Li , Q. Liu , A. L. Swindlehurst

Delayed target response in synthetic aperture radar (SAR) imaging can be obscured by the range-delay ambiguity and speckle. To analyze the range-delay ambiguity, one extends the standard SAR formulation and allows both the target…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Mikhail Gilman , Semyon Tsynkov

LiDAR (Light Detection and Ranging) SLAM (Simultaneous Localization and Mapping) serves as a basis for indoor cleaning, navigation, and many other useful applications in both industry and household. From a series of LiDAR scans, it…

Robotics · Computer Science 2022-01-03 Keisuke Sugiura , Hiroki Matsutani

The objective of the panoramic activity recognition task is to identify behaviors at various granularities within crowded and complex environments, encompassing individual actions, social group activities, and global activities. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Wenqing Gan , Yan Sun , Feiran Liu , Xiangfeng Luo

The boundary of solar system object discovery lies in detecting its faintest members. However, their discovery in detection catalogs from imaging surveys is fundamentally limited by the practice of thresholding detections at signal-to-noise…

Distributed training with synchronous stochastic gradient descent (SGD) on GPU clusters has been widely used to accelerate the training process of deep models. However, SGD only utilizes the first-order gradient in model parameter updates,…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-15 Shaohuai Shi , Lin Zhang , Bo Li

This article develops the applicability of non-linear processing techniques such as Compressed Sensing (CS), Principal Component Analysis (PCA), Iterative Adaptive Approach (IAA) and Multiple-input-multiple-output (MIMO) for the purpose of…

Signal Processing · Electrical Eng. & Systems 2023-03-27 Mohit Kumar , Keith Kelly

Change detection is an important synthetic aperture radar (SAR) application, usually used to detect changes on the ground scene measurements in different moments in time. Traditionally, change detection algorithm (CDA) is mainly designed…

Image and Video Processing · Electrical Eng. & Systems 2022-06-07 B. G. Palm , D. I. Alves , V. T. Vu , M. I. Pettersson , F. M. Bayer , R. J. Cintra , R. Machado , P. Dammert , H. Hellsten

Stochastic gradient descent (SGD) now acts as a fundamental part of optimization in current machine learning. Meanwhile, deep learning architectures have shown outstanding performance in a wide range of fields, such as natural language…

Machine Learning · Computer Science 2026-01-27 Zhao Song , Song Yue

This paper presents a vector HD-mapping algorithm that formulates the mapping as a tracking task and uses a history of memory latents to ensure consistent reconstructions over time. Our method, MapTracker, accumulates a sensor stream into…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Jiacheng Chen , Yuefan Wu , Jiaqi Tan , Hang Ma , Yasutaka Furukawa

Waveform design is a pivotal component of the fully adaptive radar construct. In this paper we consider waveform design for radar space time adaptive processing (STAP), accounting for the waveform dependence of the clutter correlation…

Systems and Control · Computer Science 2016-01-20 Pawan Setlur , Muralidhar Rangaswamy

Classical radar detection techniques rely on adaptive detectors that estimate the noise covariance matrix from target-free secondary data. While effective in Gaussian environments, these methods degrade in the presence of clutter, which is…

Machine Learning · Computer Science 2026-02-24 Jean Pinsolle , Yadang Alexis Rouzoumka , Chengfang Ren , Chistèle Morisseau , Jean-Philippe Ovarlez

The log-ratio (LR) operator has been widely employed to generate the difference image for synthetic aperture radar (SAR) image change detection. However, the difference image generated by this pixel-wise operator can be subject to SAR…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Rongfang Wang , Jia-Wei Chen , Yule Wang , Licheng Jiao , Mi Wang