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Deep Neural Network Design for Radar Applications

Deep Neural Network Design for Radar Applications
Author: Sevgi Zubeyde Gurbuz
Publisher: SciTech Publishing
Total Pages: 419
Release: 2020-12-31
Genre: Technology & Engineering
ISBN: 1785618520

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Novel deep learning approaches are achieving state-of-the-art accuracy in the area of radar target recognition, enabling applications beyond the scope of human-level performance. This book provides an introduction to the unique aspects of machine learning for radar signal processing that any scientist or engineer seeking to apply these technologies ought to be aware of.


Deep Learning Applications of Short-Range Radars

Deep Learning Applications of Short-Range Radars
Author: Avik Santra
Publisher: Artech House
Total Pages: 358
Release: 2020-09-30
Genre: Technology & Engineering
ISBN: 1630817473

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This exciting new resource covers various emerging applications of short range radars, including people counting and tracking, gesture sensing, human activity recognition, air-drawing, material classification, object classification, vital sensing by extracting features such as range-Doppler Images (RDI), range-cross range images, Doppler Spectrogram or directly feeding raw ADC data to the classifiers. The book also presents how deep learning architectures are replacing conventional radar signal processing pipelines enabling new applications and results. It describes how deep convolutional neural networks (DCNN), long-short term memory (LSTM), feedforward networks, regularization, optimization algorithms, connectionist This exciting new resource presents emerging applications of artificial intelligence and deep learning in short-range radar. The book covers applications ranging from industrial, consumer space to emerging automotive applications. The book presents several human-machine interface (HMI) applications, such as gesture recognition and sensing, human activity classification, air-writing, material classification, vital sensing, people sensing, people counting, people localization and in-cabin automotive occupancy and smart trunk opening. The underpinnings of deep learning are explored, outlining the history of neural networks and the optimization algorithms to train them. Modern deep convolutional neural network (DCNN), popular DCNN architectures for computer vision and their features are also introduced. The book presents other deep learning architectures, such as long-short term memory (LSTM), auto-encoders, variational auto-encoders (VAE), and generative adversarial networks (GAN). The application of human activity recognition as well as the application of air-writing using a network of short-range radars are outlined. This book demonstrates and highlights how deep learning is enabling several advanced industrial, consumer and in-cabin applications of short-range radars, which weren't otherwise possible. It illustrates various advanced applications, their respective challenges, and how they are been addressed using different deep learning architectures and algorithms.


Methods and Techniques in Deep Learning

Methods and Techniques in Deep Learning
Author: Avik Santra
Publisher: John Wiley & Sons
Total Pages: 340
Release: 2022-11-21
Genre: Technology & Engineering
ISBN: 1119910676

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Methods and Techniques in Deep Learning Introduces multiple state-of-the-art deep learning architectures for mmWave radar in a variety of advanced applications Methods and Techniques in Deep Learning: Advancements in mmWave Radar Solutions provides a timely and authoritative overview of the use of artificial intelligence (AI)-based processing for various mmWave radar applications. Focusing on practical deep learning techniques, this comprehensive volume explains the fundamentals of deep learning, reviews cutting-edge deep metric learning techniques, describes different typologies of reinforcement learning (RL) algorithms, highlights how domain adaptation (DA) can be used for improving the performance of machine learning (ML) algorithms, and more. Throughout the book, readers are exposed to product-ready deep learning solutions while learning skills that are relevant for building any industrial-grade, sensor-based deep learning solution. A team of authors with more than 70 filed patents and 100 published papers on AI and sensor processing illustrates how deep learning is enabling a range of advanced industrial, consumer, and automotive applications of mmWave radars. In-depth chapters cover topics including multi-modal deep learning approaches, the elemental blocks required to formulate Bayesian deep learning, how domain adaptation (DA) can be used for improving the performance of machine learning algorithms, and geometric deep learning are used for processing point clouds. In addition, the book: Discusses various advanced applications and how their respective challenges have been addressed using different deep learning architectures and algorithms Describes deep learning in the context of computer vision, natural language processing, sensor processing, and mmWave radar sensors Demonstrates how deep parametric learning reduces the number of trainable parameters and improves the data flow Presents several human-machine interface (HMI) applications such as gesture recognition, human activity classification, human localization and tracking, in-cabin automotive occupancy sensing Methods and Techniques in Deep Learning: Advancements in mmWave Radar Solutions is an invaluable resource for industry professionals, researchers, and graduate students working in systems engineering, signal processing, sensors, data science, and AI.


Deep Learning for RADAR Signal Processing

Deep Learning for RADAR Signal Processing
Author: Michael K. Wharton
Publisher:
Total Pages: 34
Release: 2021
Genre: Deep learning (Machine learning)
ISBN:

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We address the current approaches to radar signal processing, which model radar signals with several assumptions (e.g., sparse or synchronized signals) that limit their performance and use in practical applications. We propose deep learning approaches to radar signal processing which do not make such assumptions. We present well-designed deep networks, detailed training procedures, and numerical results which show our deep networks outperform current approaches. In the first part of this thesis, we consider synthetic aperture radar (SAR) image recovery and classification from sub-Nyquist samples, i.e., compressive SAR. Our approach is to first apply back-projection and then use a deep convolutional neural network (CNN) to de-alias the result. Importantly, our CNN is trained to be agnostic to the subsampling pattern. Relative to the basis pursuit (i.e., sparsity-based) approach to compressive SAR recovery, our CNN-based approach is faster and more accurate, in terms of both image recovery MSE and downstream classification accuracy, on the MSTAR dataset. In the second part of this thesis, we consider the problem of classifying multiple overlapping phase-modulated radar waveforms given raw signal data. To do this, we design a complex-valued residual deep neural network and apply data augmentations during training to make our network robust to time synchronization, pulse width, and SNR. We demonstrate that our optimized network significantly outperforms the current state-of-the-art in terms of classification accuracy, especially in the asynchronous setting.


Deep Learning Classifiers with Memristive Networks

Deep Learning Classifiers with Memristive Networks
Author: Alex Pappachen James
Publisher: Springer
Total Pages: 213
Release: 2019-04-08
Genre: Technology & Engineering
ISBN: 3030145247

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This book introduces readers to the fundamentals of deep neural network architectures, with a special emphasis on memristor circuits and systems. At first, the book offers an overview of neuro-memristive systems, including memristor devices, models, and theory, as well as an introduction to deep learning neural networks such as multi-layer networks, convolution neural networks, hierarchical temporal memory, and long short term memories, and deep neuro-fuzzy networks. It then focuses on the design of these neural networks using memristor crossbar architectures in detail. The book integrates the theory with various applications of neuro-memristive circuits and systems. It provides an introductory tutorial on a range of issues in the design, evaluation techniques, and implementations of different deep neural network architectures with memristors.


Optimization of Spiking Neural Networks for Radar Applications

Optimization of Spiking Neural Networks for Radar Applications
Author: Muhammad Arsalan
Publisher: Springer Vieweg
Total Pages: 0
Release: 2024-09-26
Genre: Computers
ISBN: 9783658453176

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This book offers a comprehensive exploration of the transformative role that edge devices play in advancing Internet of Things (IoT) applications. By providing real-time processing, reduced latency, increased efficiency, improved security, and scalability, edge devices are at the forefront of enabling IoT growth and success. As the adoption of AI on the edge continues to surge, the demand for real-time data processing is escalating, driving innovation in AI and fostering the development of cutting-edge applications and use cases. Delving into the intricacies of traditional deep neural network (deepNet) approaches, the book addresses concerns about their energy efficiency during inference, particularly for edge devices. The energy consumption of deepNets, largely attributed to Multiply-accumulate (MAC) operations between layers, is scrutinized. Researchers are actively working on reducing energy consumption through strategies such as tiny networks, pruning approaches, and weight quantization. Additionally, the book sheds light on the challenges posed by the physical size of AI accelerators for edge devices. The central focus of the book is an in-depth examination of SNNs' capabilities in radar data processing, featuring the development of optimized algorithms.


Neural Network Design

Neural Network Design
Author: Martin T. Hagan
Publisher:
Total Pages:
Release: 2003
Genre: Neural networks (Computer science)
ISBN: 9789812403766

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The Evaluation of Current Spiking Neural Network Conversion Methods in Radar Data

The Evaluation of Current Spiking Neural Network Conversion Methods in Radar Data
Author: Colton C. Smith
Publisher:
Total Pages: 76
Release: 2021
Genre: Deep learning (Machine learning)
ISBN:

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The continued growth and application of deep learning has resulted in a vast increase in energy and computational requirements. Biologically inspired spiking neural networks (SNNs) and neuromorphic hardware pose one possible solution to this issue. Optimization of these methods, however, remains difficult and less effective compared with that of traditional artificial neural networks (ANNs). A number of methods have been recently proposed to optimize SNNs through the conversion of architecturally equivalent ANNs. However, most benchmarking of these methods has only been done separately through experiments in the respective papers. Therefore, the performance of the solutions is inevitably biased due to the differences in levels and goals of optimization. Moreover, certain papers also relied heavily on architectural improvements to the base ANN which can be separated from the actual method of conversion [1] [2]. In this thesis, we thoroughly evaluate and compare the performance of the major ANN-to SNN conversion solutions based on a new set of performance metrics we proposed. Additionally, we implement expansions to certain methods, allowing for more comprehensive and fair comparisons. Furthermore, the hyperparameters of each method are optimized uniformly to reduce biases towards specific methods. Our implementations and comparisons of SNN solutions are carried out on one-dimensional radar data. To the best of our knowledge, this is the first such effort in the domain of radar applications.


Deep Learning for Radar and Communications Automatic Target Recognition

Deep Learning for Radar and Communications Automatic Target Recognition
Author: Uttam K. Majumder
Publisher: Artech House
Total Pages: 290
Release: 2020-07-31
Genre: Technology & Engineering
ISBN: 1630816396

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This authoritative resource presents a comprehensive illustration of modern Artificial Intelligence / Machine Learning (AI/ML) technology for radio frequency (RF) data exploitation. It identifies technical challenges, benefits, and directions of deep learning (DL) based object classification using radar data, including synthetic aperture radar (SAR) and high range resolution (HRR) radar. The performance of AI/ML algorithms is provided from an overview of machine learning (ML) theory that includes history, background primer, and examples. Radar data issues of collection, application, and examples for SAR/HRR data and communication signals analysis are discussed. In addition, this book presents practical considerations of deploying such techniques, including performance evaluation, energy-efficient computing, and the future unresolved issues.