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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Applied optics

Message Dissemination Techniques in Opportunistic Underwater Sensor Networks (Hardcover, 1st ed. 2021): Linfeng Liu, Ran Wang,... Message Dissemination Techniques in Opportunistic Underwater Sensor Networks (Hardcover, 1st ed. 2021)
Linfeng Liu, Ran Wang, Jiagao Wu
R3,365 Discovery Miles 33 650 Ships in 10 - 15 working days

This book investigates the architectures and characteristics of OUSNs, the mobility models of OUSN nodes, the challenges of message dissemination, and some evaluation indexes of message dissemination. Then, this book provides some message dissemination techniques in OUSNs from the viewpoints of nodes and data messages, respectively. The proposed message dissemination techniques and their conclusions can provide some useful insights to improve the performance of data message dissemination and promote the future applications of OUSNs. Researchers and engineers in the field of underwater sensor networks can benefit from the book.

Springer Series in Light Scattering - Volume 5: Radiative Transfer, Remote Sensing, and Light Scattering (Hardcover, 1st ed.... Springer Series in Light Scattering - Volume 5: Radiative Transfer, Remote Sensing, and Light Scattering (Hardcover, 1st ed. 2020)
Alexander Kokhanovsky
R3,382 Discovery Miles 33 820 Ships in 10 - 15 working days

This book reviews the spaceborne and airborne remote sensing of clouds including cloud lidar and radar data analysis, snow and soil reflectance spectroscopy, and single light scattering by nonspherical scatterers. Providing deep insights into the latest technologies, it is a valuable resource for scientists and postgraduate students alike.

Modern Requirements for Noise Immunity Aircraft Navigation Equipment (Hardcover, 1st ed. 2021): Oleg Ivanovich Zavalishin,... Modern Requirements for Noise Immunity Aircraft Navigation Equipment (Hardcover, 1st ed. 2021)
Oleg Ivanovich Zavalishin, Dmitry Alexandrovich Zatuchny, Yury Grigorievich Shatrakov
R3,892 Discovery Miles 38 920 Ships in 12 - 19 working days

This book presents a technical solution to ensuring the noise immunity of navigation systems in civil aviation aircrafts at the stages of their terminal procedures. It highlights instrumental precision approaches to landing and landing in automatic mode using satellite and inertial radio navigation systems and ground-based augmentation used as the primary means, in accordance with the ICAO requirements. The book is intended for engineering and technical specialists engaged in the development, manufacture and operation of on-board radio electronic systems of aircrafts and ground-based radio engineering support for flights, as well as graduate students and senior students of radio engineering specialties. It is also useful for professionals whose activities are related to air traffic control.

New Approaches for Multidimensional Signal Processing - Proceedings of International Workshop, NAMSP 2020 (Hardcover, 1st ed.... New Approaches for Multidimensional Signal Processing - Proceedings of International Workshop, NAMSP 2020 (Hardcover, 1st ed. 2021)
Roumen Kountchev, Rumen Mironov, Shengqing Li
R6,342 Discovery Miles 63 420 Ships in 10 - 15 working days

This book is a collection of papers presented at the International Workshop on New Approaches for Multidimensional Signal Processing (NAMSP 2020), held at Technical University of Sofia, Sofia, Bulgaria, during 09-11 July 2020. The book covers research papers in the field of N-dimensional multicomponent image processing, multidimensional image representation and super-resolution, 3D image processing and reconstruction, MD computer vision systems, multidimensional multimedia systems, neural networks for MD image processing, data-based MD image retrieval and knowledge data mining, watermarking, hiding and encryption of MD images, MD image processing in robot systems, tensor-based data processing, 3D and multi-view visualization, forensic analysis systems for MD images and many more.

The Technology of Binaural Understanding (Hardcover, 1st ed. 2020): Jens Blauert, Jonas Braasch The Technology of Binaural Understanding (Hardcover, 1st ed. 2020)
Jens Blauert, Jonas Braasch
R6,501 Discovery Miles 65 010 Ships in 10 - 15 working days

Sound, devoid of meaning, would not matter to us. It is the information sound conveys that helps the brain to understand its environment. Sound and its underlying meaning are always associated with time and space. There is no sound without spatial properties, and the brain always organizes this information within a temporal-spatial framework. This book is devoted to understanding the importance of meaning for spatial and related further aspects of hearing, including cross-modal inference. People, when exposed to acoustic stimuli, do not react directly to what they hear but rather to what they hear means to them. This semiotic maxim may not always apply, for instance, when the reactions are reflexive. But, where it does apply, it poses a major challenge to the builders of models of the auditory system. Take, for example, an auditory model that is meant to be implemented on a robotic agent for autonomous search-&-rescue actions. Or think of a system that can perform judgments on the sound quality of multimedia-reproduction systems. It becomes immediately clear that such a system needs * Cognitive capabilities, including substantial inherent knowledge * The ability to integrate information across different sensory modalities To realize these functions, the auditory system provides a pair of sensory organs, the two ears, and the means to perform adequate preprocessing of the signals provided by the ears. This is realized in the subcortical parts of the auditory system. In the title of a prior book, the term Binaural Listening is used to indicate a focus on sub-cortical functions. Psychoacoustics and auditory signal processing contribute substantially to this area. The preprocessed signals are then forwarded to the cortical parts of the auditory system where, among other things, recognition, classification, localization, scene analysis, assignment of meaning, quality assessment, and action planning take place. Also, information from different sensory modalities is integrated at this level. Between sub-cortical and cortical regions of the auditory system, numerous feedback loops exist that ultimately support the high complexity and plasticity of the auditory system. The current book concentrates on these cognitive functions. Instead of processing signals, processing symbols is now the predominant modeling task. Substantial contributions to the field draw upon the knowledge acquired by cognitive psychology. The keyword Binaural Understanding in the book title characterizes this shift. Both books, The Technology of Binaural Listening and the current one, have been stimulated and supported by AABBA, an open research group devoted to the development and application of models of binaural hearing. The current book is dedicated to technologies that help explain, facilitate, apply, and support various aspects of binaural understanding. It is organized into five parts, each containing three to six chapters in order to provide a comprehensive overview of this emerging area. Each chapter was thoroughly reviewed by at least two anonymous, external experts. The first part deals with the psychophysical and physiological effects of Forming and Interpreting Aural Objects as well as the underlying models. The fundamental concepts of reflexive and reflective auditory feedback are introduced. Mechanisms of binaural attention and attention switching are covered-as well as how auditory Gestalt rules facilitate binaural understanding. A general blackboard architecture is introduced as an example of how machines can learn to form and interpret aural objects to simulate human cognitive listening. The second part, Configuring and Understanding Aural Space, focuses on the human understanding of complex three-dimensional environments-covering the psychological and biological fundamentals of auditory space formation. This part further addresses the human mechanisms used to process information and interact in complex reverberant environments, such as concert halls and forests, and additionally examines how the auditory system can learn to understand and adapt to these environments. The third part is dedicated to Processing Cross-Modal Inference and highlights the fundamental human mechanisms used to integrate auditory cues with cues from other modalities to localize and form perceptual objects. This part also provides a general framework for understanding how complex multimodal scenes can be simulated and rendered. The fourth part, Evaluating Aural-scene Quality and Speech Understanding, focuses on the object-forming aspects of binaural listening and understanding. It addresses cognitive mechanisms involved in both the understanding of speech and the processing of nonverbal information such as Sound Quality and Quality-of- Experience. The aesthetic judgment of rooms is also discussed in this context. Models that simulate underlying human processes and performance are covered in addition to techniques for rendering virtual environments that can then be used to test these models. The fifth part deals with the Application of Cognitive Mechanisms to Audio Technology. It highlights how cognitive mechanisms can be utilized to create spatial auditory illusions using binaural and other 3D-audio technologies. Further, it covers how cognitive binaural technologies can be applied to improve human performance in auditory displays and to develop new auditory technologies for interactive robots. The book concludes with the application of cognitive binaural technologies to the next generation of hearing aids.

Elastomeric Optics - Theory, Design, and Fabrication (Hardcover): George K Knopf/ Elastomeric Optics - Theory, Design, and Fabrication (Hardcover)
George K Knopf/
R5,955 Discovery Miles 59 550 Ships in 12 - 19 working days

Elastomeric optics exploit light transparent, variable translucent, and reflective stretchable polymers to create novel strain-tunable optical elements and flexible multifunctional optical sheets. Optical sheets are thin, large-area polymer light guide structures that can be used to create a wide variety of passive light harvesting and illumination systems. The book introduces the theoretical principles of elastomeric optics and explores how simple and complex mechanically deformable optical devices can be designed and fabricated. The transmission of light through these optical components or waveguides depends on the selected materials, surface interface, geometric design, optical coupling of embedded micro-structures, and degree of device deformation. In addition to providing a technical foundation for building adaptable optics, the book seeks to inspire the next generation of scientists and engineers to develop innovative solutions far beyond anything imagined today.

Programming with TensorFlow - Solution for Edge Computing Applications (Hardcover, 1st ed. 2021): Kolla Bhanu Prakash, G. R.... Programming with TensorFlow - Solution for Edge Computing Applications (Hardcover, 1st ed. 2021)
Kolla Bhanu Prakash, G. R. Kanagachidambaresan
R2,862 Discovery Miles 28 620 Ships in 12 - 19 working days

This practical book provides an end-to-end guide to TensorFlow, the leading open source software library that helps you build and train neural networks for deep learning, Natural Language Processing (NLP), speech recognition, and general predictive analytics. The book provides a hands-on approach to TensorFlow fundamentals for a broad technical audience-from data scientists and engineers to students and researchers. The authors begin by working through some basic examples in TensorFlow before diving deeper into topics such as CNN, RNN, LSTM, and GNN. The book is written for those who want to build powerful, robust, and accurate predictive models with the power of TensorFlow, combined with other open source Python libraries. The authors demonstrate TensorFlow projects on Single Board Computers (SBCs).

Optoelectronics in Machine Vision-Based Theories and Applications (Hardcover): Moises Rivas-Lopez, Oleg Sergiyenko, Wendy... Optoelectronics in Machine Vision-Based Theories and Applications (Hardcover)
Moises Rivas-Lopez, Oleg Sergiyenko, Wendy Flores-Fuentes, Julio Cesar Rodriguez-Quinonez
R6,126 Discovery Miles 61 260 Ships in 10 - 15 working days

Sensor technologies play a large part in modern life, as they are present in things like security systems, digital cameras, smartphones, and motion sensors. While these devices are always evolving, research is being done to further develop this technology to help detect and analyze threats, perform in-depth inspections, and perform tracking services. Optoelectronics in Machine Vision-Based Theories and Applications provides innovative insights on theories and applications of optoelectronics in machine vision-based systems. It also covers topics such as applications of unmanned aerial vehicle, autonomous and mobile robots, medical scanning, industrial applications, agriculture, and structural health monitoring. This publication is a vital reference source for engineers, technology developers, academicians, researchers, and advanced-level students seeking emerging research on sensor technologies and machine vision.

Mechanism Design for Robotics - MEDER 2021 (Hardcover, 1st ed. 2021): Said Zeghloul, Med Amine Laribi, Marc Arsicault Mechanism Design for Robotics - MEDER 2021 (Hardcover, 1st ed. 2021)
Said Zeghloul, Med Amine Laribi, Marc Arsicault
R7,098 Discovery Miles 70 980 Ships in 10 - 15 working days

This book presents the proceedings of the 5th IFToMM Symposium on Mechanism Design for Robotics, MEDER 2021, held in Poitiers, France, 23-25 June 2021. It gathers contributions by researchers from several countries on all major areas of robotic research, development and innovation, as well as new applications and current trends. The topics covered include: theoretical and computational kinematics, mechanism design, experimental mechanics, mechanics of robots, control issues of mechanical systems, machine intelligence, innovative mechanisms and applications, linkages and manipulators, micro-mechanisms, dynamics of machinery and multi-body systems. Given its scope, the book offers a source of information and inspiration for researchers seeking to improve their work and gather new ideas for future developments.

Plasmonics and Light-Matter Interactions in Two-Dimensional Materials and in Metal Nanostructures - Classical and Quantum... Plasmonics and Light-Matter Interactions in Two-Dimensional Materials and in Metal Nanostructures - Classical and Quantum Considerations (Hardcover, 1st ed. 2020)
Paulo Andre Dias Goncalves
R4,367 Discovery Miles 43 670 Ships in 10 - 15 working days

This thesis presents a comprehensive theoretical description of classical and quantum aspects of plasmonics in three and two dimensions, and also in transdimensional systems containing elements with different dimensionalities. It focuses on the theoretical understanding of the salient features of plasmons in nanosystems as well as on the multifaceted aspects of plasmon-enhanced light-matter interactions at the nanometer scale. Special emphasis is given to the modeling of nonclassical behavior across the transition regime bridging the classical and the quantum domains. The research presented in this dissertation provides useful tools for understanding surface plasmons in various two- and three-dimensional nanostructures, as well as quantum mechanical effects in their response and their joint impact on light-matter interactions at the extreme nanoscale. These contributions constitute novel and solid advancements in the research field of plasmonics and nanophotonics that will help guide future experimental investigations in the blossoming field of nanophotonics, and also facilitate the design of the next generation of truly nanoscale nanophotonic devices.

Random Processes with Applications to Circuits and Communications (Hardcover, 1st ed. 2020): Bernard C. Levy Random Processes with Applications to Circuits and Communications (Hardcover, 1st ed. 2020)
Bernard C. Levy
R2,912 Discovery Miles 29 120 Ships in 12 - 19 working days

This textbook is based on 20 years of teaching a graduate-level course in random processes to a constituency extending beyond signal processing, communications, control, and networking, and including in particular circuits, RF and optics graduate students. In order to accommodate today's circuits students' needs to understand noise modeling, while covering classical material on Brownian motion, Poisson processes, and power spectral densities, the author has inserted discussions of thermal noise, shot noise, quantization noise and oscillator phase noise. At the same time, techniques used to analyze modulated communications and radar signals, such as the baseband representation of bandpass random signals, or the computation of power spectral densities of a wide variety of modulated signals, are presented. This book also emphasizes modeling skills, primarily through the inclusion of long problems at the end of each chapter, where starting from a description of the operation of a system, a model is constructed and then analyzed. Provides semester-length coverage of random processes, applicable to the analysis of electrical and computer engineering systems; Designed to be accessible to students with varying backgrounds in undergraduate mathematics and engineering; Includes solved examples throughout the discussion, as well as extensive problem sets at the end of every chapter; Develops and reinforces student's modeling skills, with inclusion of modeling problems in every chapter; Solutions for instructors included.

Memristor Emulator Circuits (Hardcover, 1st ed. 2021): Abdullah G. Alharbi, Masud H. Chowdhury Memristor Emulator Circuits (Hardcover, 1st ed. 2021)
Abdullah G. Alharbi, Masud H. Chowdhury
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This book provides a comprehensive study of the research outcomes on memristor emulator circuits and includes various analog applications as examples. The authors describe in detail how to design different types of memristor emulators, using active and passive components for different applications. Most of the emulator circuits presented in this book are new and are the outcomes of the authors' recent research. Coverage also includes the latest technological advances in memristor and memristor emulators. Readers will benefit from an understanding of the fundamental concepts and potential applications related to memristors, since these emulator circuits can be built in the laboratory using inexpensive, off-the-shelf circuit components. Introduces readers to memristor emulator circuit design, using regular off-the-shelf circuit components; Describes analog applications of memristors that can be verified by the proposed emulator circuits; Includes a brief overview of the updated mathematical models of the memristor device, with different material implementations; Equips readers to understand the three fingerprints of memristors, which make them unique, compared to the three known, passive elements (resistor, inductor and capacitor).

Specialty Optical Fibers Handbook (Hardcover): Alexis Mendez, T. F. Morse Specialty Optical Fibers Handbook (Hardcover)
Alexis Mendez, T. F. Morse
R4,225 R2,919 Discovery Miles 29 190 Save R1,306 (31%) Ships in 12 - 19 working days

This book is a comprehensive contributed volume that aims to describe and explain the design, fabrication, operating characteristics, and specific applications of the most popular and useful types of specialty optical fibers. These "specialty fibers" include any kind of optical fiber that has been architecturally manipulated to diverge from a conventional structure. For instance, metal-coated fibers can be utilized for bandwidth improvement, and hollow core fibers offer more controllable dispersion for sensitive medical procedures.
Applications for these specialty fibers abound in the biomedical, sensors, and industrial fields, as well as in more traditional communications capacities. This book will act as a specialty fiber "guided tour," hosted by the top names in the discipline. The globally renowned editors, Drs. Mendez and Morse, have extensive experience in research, academia, and industry.
*Completely covers biomedical and industrial sensor technology with emphasis on real world applications
*Comparative studies of pros and cons of all fiber types with relation to test and measurement, mechanical properties and strength, and reliability
*Easy to access essential facts and details at the begining of each chapter

Basics of Interferometry (Hardcover, 2nd edition): P. Hariharan Basics of Interferometry (Hardcover, 2nd edition)
P. Hariharan
R3,112 R2,149 Discovery Miles 21 490 Save R963 (31%) Ships in 12 - 19 working days

Optical interferometry is used in communications, medical imaging, astonomy, and structural measurement. With the use of an interferometer engineers and scientists are able to complete surface inspections of micromachined surfaces and semiconductors. Medical technicians are able to give more consise diagnoses with the employ of interferometers in microscopy, spectroscopy, and coherent tomography.
Originating from a one-day course, this material was expanded to serve as an introduction to the topic for engineers and scientists that have little optical knowledge but a need for more in their daily work lives. The need for interferometry knowledge has crossed the boundaries of engineering fields and Dr. Hariharan has written a book that answers the questions that new practitioners to interferometry have and haven't even thought of yet. This new edition includes complete updates of all material with an emphasis on applications. It also has new chapters on white-light microsopy and interference with single photons.
*Outstanding introduction to the world of optical interferometry with summaries at the begining and end of each chapter, several appendices with essential information, and worked numerical problems
*Practical details enrich understanding for readers new to this material
*New chapters on white-light microscopy for medical imaging and interference with single photons(quantum optics)

Introduction to the Theory of Radiopolarimetric Navigation Systems (Hardcover, 1st ed. 2020): Kozlov A.I., Logvin A.I.,... Introduction to the Theory of Radiopolarimetric Navigation Systems (Hardcover, 1st ed. 2020)
Kozlov A.I., Logvin A.I., Sarychev V.A., Shatrakov Y.G., Zavalishin O.I.
R4,406 Discovery Miles 44 060 Ships in 10 - 15 working days

The book highlights three types of technologies being developed for autonomous solution of navigation problems. These technologies are based on the polarization structure, ultra-broadband and the fluctuation characteristics (slow and fast) of the radiolocation signals. The book presents the problems of intrinsic thermal radio emission polarization and change in radio waves polarization when they are reflected from objects with non-linear properties. The purpose of this book is to develop the foundations for creating autonomous radionavigation systems to provide aviation with navigation systems that will substantially increase its capabilities, specifically acting where satellite technologies do not work. The book is intended for specialists involved in the development and operation of aviation-technical complexes, as well as for specialists of national aviation regulators and ICAO experts dealing with the problems of improving flight safety.

Ultrashort Laser Pulse Phenomena (Hardcover, 2nd edition): Jean-Claude Diels, Wolfgang Rudolph Ultrashort Laser Pulse Phenomena (Hardcover, 2nd edition)
Jean-Claude Diels, Wolfgang Rudolph; Edited by Paul F. Liao, Paul Kelley
R2,920 Discovery Miles 29 200 Ships in 12 - 19 working days

Ultrashort Laser Pulse Phenomena serves as an introduction to the phenomena of ultrashort laser pulses and describes how this technology can be applied in areas such as spectroscopy, medical imaging, electromagnetism, optics, and quantum physics. Combining the principles with experimental techniques, the book serves as a guide to designing and constructing femtosecond systems.
The second edition has updated and expanded its content, and includes more examples of ultrashort sources and a more comprehensive fundamentals chapter. Diagnostic techniques and applications involving sensors, mode-locked lasers, and imaging have been fully revised to include current technologies.
Written in a tutorial style, this book is suitable for senior undergraduate and graduate students as well as engineers and scientists working in the areas of optics, spectroscopy, optical imaging, photochemistry, and ultrafast science and engineering.
*Provides an easy to follow guide through "faster than electronics" probing and detection methods
*THE manual on designing and constructing femtosecond systems and experiments
*Discusses essential technology for applications in micro-machining, femtochemistry, and medical imaging

Optics - Principles and Applications (Hardcover): Kailash K. Sharma Optics - Principles and Applications (Hardcover)
Kailash K. Sharma
R3,150 R2,186 Discovery Miles 21 860 Save R964 (31%) Ships in 12 - 19 working days

Optical technology is essential to communications and medical technology. K.K. Sharma has written a comprehensive volume on optics. Beginning with introductory ideas and equations, Sharma takes the reader through the world of optics detailing problems encountered, advanced subjects, and actual applications. Elegantly written, this book rigorously examines optics with over 300 illustrations and several problems in each chapter. The book begins with light propagation in anisotropic media considered much later in most books. Sharma has started with this because it provides a more general and beautiful example of light propagation.
Nearly one third of the book deals with applications of optics. This simple idea of merging the sometimes overwhelming and dry subject of optics with real world applications will create better future engineers. It will make 'optics' jump off the page for readers and they will see it take shape in the world around them. In presenting optics practically, as well as theoretically, readers will come away not only with a complete knowledge base but a context in which to place it.
FOR INSTRUCTORS: To obtain access to the solutions manual for this title simply register on our textbook website (textbooks.elsevier.com)and request access to the Electronics and Electrical Engineering subject area. Once approved (usually within one business day) you will be able to access all of the instructor-only materials through the "Instructor Manual" link on this book's academic web page at textbooks.elsevier.com.
*Strong emphasis on applications to demonstrate the relevance of the theory
*Includes chapter on problem solving of ray deviations, focusing errors, anddistortion
*Problems are included at the end of each chapter for thorough understanding of this dense subject matter

LED-Based Photoacoustic Imaging - From Bench to Bedside (Hardcover, 1st ed. 2020): Mithun Kuniyil Ajith Singh LED-Based Photoacoustic Imaging - From Bench to Bedside (Hardcover, 1st ed. 2020)
Mithun Kuniyil Ajith Singh
R3,427 Discovery Miles 34 270 Ships in 10 - 15 working days

This book highlights the use of LEDs in biomedical photoacoustic imaging. In chapters written by key opinion leaders in the field, it covers a broad range of topics, including fundamentals, principles, instrumentation, image reconstruction and data/image processing methods, preclinical and clinical applications of LED-based photoacoustic imaging. Apart from preclinical imaging studies and early clinical pilot studies using LED-based photoacoustics, the book includes a chapter exploring the opportunities and challenges of clinical translation from an industry perspective. Given its scope, the book will appeal to scientists and engineers in academia and industry, as well as medical experts interested in the clinical applications of photoacoustic imaging.

Artificial Intelligence in China - Proceedings of the International Conference on Artificial Intelligence in China (Hardcover,... Artificial Intelligence in China - Proceedings of the International Conference on Artificial Intelligence in China (Hardcover, 1st ed. 2020)
Qilian Liang, Wei Wang, Jiasong Mu, Xin Liu, Zhenyu Na, …
R9,653 Discovery Miles 96 530 Ships in 10 - 15 working days

This book brings together papers presented at the International Conference on Artificial Intelligence in China (ChinaAI) 2019, which provided a venue for disseminating the latest advances and discussing the interactions and links between the various subfields of AI. Addressing topics that cover virtually all aspects of AI and the latest developments in China, the book is chiefly intended for undergraduate and graduate students in Electrical Engineering, Computer Science, and Mathematics, for researchers and engineers from academia and industry, and for government employees (e.g. at the NSF, DOD, and DOE).

IoT Sensor-Based Activity Recognition - Human Activity Recognition (Hardcover, 1st ed. 2021): MD Atiqur Rahman Ahad, Anindya... IoT Sensor-Based Activity Recognition - Human Activity Recognition (Hardcover, 1st ed. 2021)
MD Atiqur Rahman Ahad, Anindya Das Antar, Masud Ahmed
R4,237 Discovery Miles 42 370 Ships in 12 - 19 working days

This book offer clear descriptions of the basic structure for the recognition and classification of human activities using different types of sensor module and smart devices in e.g. healthcare, education, monitoring the elderly, daily human behavior, and fitness monitoring. In addition, the complexities, challenges, and design issues involved in data collection, processing, and other fundamental stages along with datasets, methods, etc., are discussed in detail. The book offers a valuable resource for readers in the fields of pattern recognition, human-computer interaction, and the Internet of Things.

Computational Geometry, Topology and Physics of Digital Images with Applications - Shape Complexes, Optical Vortex Nerves and... Computational Geometry, Topology and Physics of Digital Images with Applications - Shape Complexes, Optical Vortex Nerves and Proximities (Hardcover, 1st ed. 2020)
James F. Peters
R4,951 Discovery Miles 49 510 Ships in 12 - 19 working days

This book discusses the computational geometry, topology and physics of digital images and video frame sequences. This trio of computational approaches encompasses the study of shape complexes, optical vortex nerves and proximities embedded in triangulated video frames and single images, while computational geometry focuses on the geometric structures that infuse triangulated visual scenes. The book first addresses the topology of cellular complexes to provide a basis for an introductory study of the computational topology of visual scenes, exploring the fabric, shapes and structures typically found in visual scenes. The book then examines the inherent geometry and topology of visual scenes, and the fine structure of light and light caustics of visual scenes, which bring into play catastrophe theory and the appearance of light caustic folds and cusps. Following on from this, the book introduces optical vortex nerves in triangulated digital images. In this context, computational physics is synonymous with the study of the fine structure of light choreographed in video frames. This choreography appears as a sequence of snapshots of light reflected and refracted from surface shapes, providing a solid foundation for detecting, analyzing and classifying visual scene shapes.

Recent Developments in Acoustics - Select Proceedings of the 46th National Symposium on Acoustics (Hardcover, 1st ed. 2021):... Recent Developments in Acoustics - Select Proceedings of the 46th National Symposium on Acoustics (Hardcover, 1st ed. 2021)
Mahavir Singh, Yasser Rafat
R6,993 Discovery Miles 69 930 Ships in 12 - 19 working days

This book presents the proceedings of the 46th National Symposium on Acoustics (NSA 2017). The main goal of this symposium is to discuss key opportunities and challenges in acoustics, especially as applied to engineering problems. The book covers topics ranging from hydro-acoustics, environmental acoustics, bio-acoustics to musical acoustics, electro-acoustics and sound perception. The contents of this volume will prove useful to researchers and practicing engineers working on acoustics problems.

Hall-Effect Sensors - Theory and Application (Hardcover, 2nd edition): Edward Ramsden Hall-Effect Sensors - Theory and Application (Hardcover, 2nd edition)
Edward Ramsden
R2,139 R1,492 Discovery Miles 14 920 Save R647 (30%) Ships in 12 - 19 working days

Without sensors most electronic applications would not exist-sensors perform a vital function, namely providing an interface to the real world. Hall effect sensors, based on a magnetic phenomena, are one of the most commonly used sensing technologies today. In the 1970s it became possible to build Hall effect sensors on integrated circuits with onboard signal processing circuitry, vastly reducing the cost and enabling widespread practical use. One of the first major applications was in computer keyboards, replacing mechanical contacts. Hundreds of millions of these devices are now manufactured each year for use in a great variety of applications, including automobiles, computers, industrial control systems, cell phones, and many others.
The importance of these sensors, however, contrasts with the limited information available. Many recent advances in miniaturization, smart sensor configurations, and networkable sensor technology have led to design changes and a need for reliable information. Most of the technical information on Hall effect sensors is supplied by sensor manufacturers and is slanted toward a particular product line. System design and control engineers need an independent, readable source of practical design information and technical details that is not product- or manufacturer-specific and that shows how Hall effect sensors work, how to interface to them, and how to apply them in a variety of uses. This book covers:
-the physics behind Hall effect sensors
-Hall effect transducers
-transducer interfacing
-integrated Hall effect sensors and how to interface to them
-sensing techniques using Hall effect sensors
-application-specific sensorICs
-relevant development and design tools
This second edition is expanded and updated to reflect the latest advances in Hall effect devices and applications!
Information about various sensor technologies is scarce, scattered and hard to locate. Most of it is either too theoretical for working engineers, or is manufacturer literature that can't be entirely trusted. Engineers and engineering managers need a comprehensive, up-to-date, and accurate reference to use when scoping out their designs incorporating Hall effect sensors.
* A comprehensive, up-to-date reference to use when crafting all kinds of designs with Hall effect sensors
*Replaces other information about sensors that is too theoretical, too biased toward one particular manufacturer, or too difficult to locate
*Highly respected and influential author in the burgeoning sensors community

Applied Signal and Image Processing - Multidisciplinary Advancements (Hardcover): Rami Qahwaji, Roger Green, Evor Hines Applied Signal and Image Processing - Multidisciplinary Advancements (Hardcover)
Rami Qahwaji, Roger Green, Evor Hines
R4,995 Discovery Miles 49 950 Ships in 10 - 15 working days

Image and signal processing techniques are receiving increasing interest because of their numerous real-world applications. Data is now available in different forms, different wavelengths, and even in different dimensions, creating the need for novel multidisciplinary solutions for automated data processing and analysis. Applied Signal and Image Processing: Multidisciplinary Advancements highlights the growing multidisciplinary nature of signal and image processing by focusing on emerging applications and recent advances in well-established fields. This book covers state-or-the-art applications in both signal and image processing, which include optical communication and sensing, wireless communication management, face recognition and facial imaging, solar imaging and feature detection, fractal analysis, and video processing.

Fiber Optic Essentials (Hardcover): Casimer DeCusatis, Carolyn J. Sher DeCusatis Fiber Optic Essentials (Hardcover)
Casimer DeCusatis, Carolyn J. Sher DeCusatis
R2,098 R1,463 Discovery Miles 14 630 Save R635 (30%) Ships in 12 - 19 working days

This book is a MUST for everyone in and around the optics community!
"Fiber Optic Essentials" provides professionals and students new to the field of fiber optics with a high-level knowledge of principles, theories and applications. This primer can also be used as a succinct overview of optics for those with some engineering and physics background. Individuals involved with optics in non-traditional capacities such as in marketing and legal departments will find this volume introduces basic concepts completely in an easy to read format.
Casimer and Carolyn DeCusatis have provided a concise resource with compact chapters and minimal equations conveying this complex topic in a straightforward and clear-cut style. Included in this book are chapters on fibers, cables, connectors, transmitters, modulators, noise, and optical link design. Concluding this reference are three indispensable appendices covering extensive definitions, acronyms (including initials and commonly used slang), measurement conversions and physical constants. This author team has produced a book that has truly shed light on this difficult subject.
* Comprehensively covers basic fiber optic 'facts'
* Explains how optics relate to everyday life
* Details fiber optic communication standards
* Chapter included on medical applications
* Timeline traces the history of optics with major milestones

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