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Author : Rodney Vaughan,J Bach Andersen
Publisher : IET
Page : 785 pages
File Size : 45,9 Mb
Release : 2003-02-03
Category : Science
ISBN : 9780852960844
This exceptional book introduces the reader to the principles, theory and applications of physical layer wireless/mobile communications, applicators and millimetric antennas.
Author : Jack P. Hailman
Publisher : Harvard University Press
Page : 280 pages
File Size : 42,7 Mb
Release : 2008-05-31
Category : Computers
ISBN : 0674027957
This book explores the strikingly similar ways in which information is encoded in nonverbal man-made signals (e.g., traffic lights and tornado sirens) and animal-evolved signals (e.g., color patterns and vocalizations). The book also considers some coding principles for reducing certain unwanted redundancies and explains how desirable redundancies enhance communication reliability. Jack Hailman believes this work pioneers several aspects of analyzing human and animal communication. The book is the first to survey man-made signals as a class. It is also the first to compare such human-devised systems with signaling in animals by showing the highly similar ways in which the two encode information. A third innovation is generalizing principles of quantitative information theory to apply to a broad range of signaling systems. Finally, another first is distinguishing among types of redundancy and their separation into unwanted and desirable categories. This remarkably novel book will be of interest to a wide readership. Appealing not only to specialists in semiotics, animal behavior, psychology, and allied fields but also to general readers, it serves as an introduction to animal signaling and to an important class of human communication.
Author : Antonio Rodríguez-Sánchez,Mazyar Fallah,Ales Leonardis
Publisher : Frontiers Media SA
Page : 292 pages
File Size : 55,7 Mb
Release : 2016-06-08
Category : Electronic book
ISBN : 9782889197989
Over the past 40 years, neurobiology and computational neuroscience has proved that deeper understanding of visual processes in humans and non-human primates can lead to important advancements in computational perception theories and systems. One of the main difficulties that arises when designing automatic vision systems is developing a mechanism that can recognize - or simply find - an object when faced with all the possible variations that may occur in a natural scene, with the ease of the primate visual system. The area of the brain in primates that is dedicated at analyzing visual information is the visual cortex. The visual cortex performs a wide variety of complex tasks by means of simple operations. These seemingly simple operations are applied to several layers of neurons organized into a hierarchy, the layers representing increasingly complex, abstract intermediate processing stages. In this Research Topic we propose to bring together current efforts in neurophysiology and computer vision in order 1) To understand how the visual cortex encodes an object from a starting point where neurons respond to lines, bars or edges to the representation of an object at the top of the hierarchy that is invariant to illumination, size, location, viewpoint, rotation and robust to occlusions and clutter; and 2) How the design of automatic vision systems benefit from that knowledge to get closer to human accuracy, efficiency and robustness to variations.
Author : Friedrich G. Barth,Axel Schmid
Publisher : Springer Science & Business Media
Page : 344 pages
File Size : 41,6 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783662226445
Sense organs serve as a kind of biological interface between the environment and the organism. Therefore, the relationship between sensory systems and ecology is very close and its knowledge of fundamental importance for an understanding of animal behavior. The sixteen chapters of this book exemplify the diversity of the constraints and opportunities associated with the sensation of stimuli representing different forms of energy. The book stresses the events taking place in the sensory periphery where the animal is exposed to and gets in touch with its natural habitat and acquires the information needed to organize its interaction with its environment. Ecology of Sensing brings together the leading experts in the field.
Author : Winfried Noth
Publisher : Indiana University Press
Page : 600 pages
File Size : 48,8 Mb
Release : 1990-09-22
Category : Language Arts & Disciplines
ISBN : 0253209595
History and Classics of Modern Semiotics -- Sign and Meaning -- Semiotics, Code, and the Semiotic Field -- Language and Language-Based Codes -- From Structuralism to Text Semiotics: Schools and Major Figures -- Text Semiotics: The Field -- Nonverbal Communication -- Aesthetics and Visual Communication.
Author : Hongbin Zha,Rin-ichiro Taniguchi,Stephen Maybank
Publisher : Springer Science & Business Media
Page : 742 pages
File Size : 52,9 Mb
Release : 2010-04-23
Category : Computers
ISBN : 9783642123030
The three volume set LNCS 5994, LNCS 5995, and LNCS 5996 constitutes the thoroughly refereed post-conference proceedings of the 9th Asian Conference on Computer Vision, ACCV 2009, held in Xi'an, China, in September 2009. The 35 revised full papers and 130 revised poster papers of the three volumes were carefully reviewed and seleceted from 670 submissions. The papers are organized in topical sections on multiple view and stereo, face and pose analysis, motion analysis and tracking, segmentation, feature extraction and object detection, image enhancement and visual attention, machine learning algorithms for vision, object categorization and face recognition, biometrics and surveillance, stereo, motion analysis, and tracking, segmentation, detection, color and texture, as well as machine learning, recognition, biometrics and surveillance.
Author : George M. Calhoun
Publisher : Artech House
Page : 490 pages
File Size : 46,6 Mb
Release : 2003
Category : Technology & Engineering
ISBN : 9781580530439
Annotation Offers you an in-depth understanding of the fundamental concepts underlying today?s most advanced wireless architectures, with a special emphasis on physical layer techniques and philosophies used in constructing interference-resistant wireless signals. You find in-depth coverage of a wide range of critical topics, including signal hardening, signal shaping techniques, signal expansion techniques, and active receiver concepts and techniques. A common theoretical framework is developed around the idea of a post-Shannon approach to designing communications systems. In many ways, modern wireless technology is pushing beyond the conventional limits of Claude Shannon?s celebrated communications theory. Topics like multipath fading and other channel phenomena are viewed in a new light no longer as simply unavoidable sources of degradation, but as potential resources for additional information and signal robustness.
Author : Irina S. Brainina
Publisher : Booklocker.com
Page : 264 pages
File Size : 42,9 Mb
Release : 2018-03-30
Category : Technology & Engineering
ISBN : 1634929616
This book offers new digital algorithms for processing audio and tonal signals having a high natural redundancy. The redundancy preserved in headers of compressed audio frames in MPEG-1 Layer 2 format. Computer modeling proves an opportunity to detect and correct all catastrophic errors in three fields of a frame header. It was suggested that a Hamming error detection code with parity bits be used on the encoder end and transmitted over the existing low-speed channel to the decoder. By correcting errors in frame headers one can significantly reduce requirements to the signal-to-noise ratio of satellite digital channels used for radio or TV audio broadcasting. The proposed error correction algorithms are described in detail in the Appendix 1. The software package implementing those algorithms along with 12 compressed audio files that represent different types of content can be downloaded using the link in the book. The software allows simulating introducing, detection and correction of three types of catastrophic errors in the headers of compressed sound frames in MPEG-1 Layer-2 format. This book is addressed to researchers, practicing engineers and graduate students interested in adaptive digital processing of telecommunication signals with natural redundancy.
Author : Ramachandra, Manjunath
Publisher : IGI Global
Page : 316 pages
File Size : 48,7 Mb
Release : 2009-10-31
Category : Computers
ISBN : 9781605668895
Presents trends and techniques for successful intelligent decision-making andtransfer of products through digital signal processing.
Author : Richard C. Dorf
Publisher : CRC Press
Page : 888 pages
File Size : 51,8 Mb
Release : 2018-10-03
Category : Technology & Engineering
ISBN : 9781351838061
In two editions spanning more than a decade, The Electrical Engineering Handbook stands as the definitive reference to the multidisciplinary field of electrical engineering. Our knowledge continues to grow, and so does the Handbook. For the third edition, it has expanded into a set of six books carefully focused on a specialized area or field of study. Each book represents a concise yet definitive collection of key concepts, models, and equations in its respective domain, thoughtfully gathered for convenient access. Circuits, Signals, and Speech and Image Processing presents all of the basic information related to electric circuits and components, analysis of circuits, the use of the Laplace transform, as well as signal, speech, and image processing using filters and algorithms. It also examines emerging areas such as text-to-speech synthesis, real-time processing, and embedded signal processing. Each article includes defining terms, references, and sources of further information. Encompassing the work of the world's foremost experts in their respective specialties, Circuits, Signals, and Speech and Image Processing features the latest developments, the broadest scope of coverage, and new material on biometrics.
Author : Bradley Tice
Publisher : Universal-Publishers
Page : 230 pages
File Size : 45,6 Mb
Release : 2007-09
Category : Education
ISBN : 9781581123616
The Priority Method evolved from theories from first and second language acquisition and child language development. Along with error analysis theories, technical advances in equipment have allowed the Priority Method to offer a complete language diagnostic, analysis and training format. Its significant variation from all previous SLA pedagogy is that it concentrates on areas of weakness, prioritizing common areas of transitional errors from L1 to L2, that commonly occur in the phonetic production and delivery of the ESL student, and focuses on the key areas that have significant sociolinguistic and linguistic effects on the ESL student. Why prioritize errors over other aspects of second language learning? Because errors are the significant areas where the student's self confidence and progress come into play. Because negative aspects in any or all of the above will impede and/or stigmatize the ESL student and can be a major factor in having the student quit. Many errors are common to each ESL language group, giving that group a preliminary map of errors that can be expected before the student arrives at that point. The specific phonetic area covered will be common consonant and vowel errors in the ESL student. There will be a text, workbook and a tape of which the workbook and tape will interact with each other using the Priority Method and a Learning Loop. The Learning Loop is a term that describes the learning system used to facilitate the correct recognition and production of the English sound pattern. It uses two tape recorders of which one is to play the tape with the exercises on it of a Model of English pronunciation. The second tape recorder is recording both the Model pronunciation and the student's attempt to duplicate the Model of English sound pattern. Because the student hears only those sound patterns that are similar or the same to their L1 language the need to compare their L2 production of English with that of a Model of English will result in a more accurate diagnosis. The potential of this method as a supplement to any language course or program is great as it can be used with any language group and at any level of learning.
Author : Anonim
Publisher : Unknown
Page : 564 pages
File Size : 40,9 Mb
Release : 1966
Category : Aeronautics
ISBN : MINN:31951000846754O
Author : Geoffrey Hinton,Terrence J. Sejnowski
Publisher : MIT Press
Page : 420 pages
File Size : 41,8 Mb
Release : 1999-05-24
Category : Medical
ISBN : 026258168X
Since its founding in 1989 by Terrence Sejnowski, Neural Computation has become the leading journal in the field. Foundations of Neural Computation collects, by topic, the most significant papers that have appeared in the journal over the past nine years. This volume of Foundations of Neural Computation, on unsupervised learning algorithms, focuses on neural network learning algorithms that do not require an explicit teacher. The goal of unsupervised learning is to extract an efficient internal representation of the statistical structure implicit in the inputs. These algorithms provide insights into the development of the cerebral cortex and implicit learning in humans. They are also of interest to engineers working in areas such as computer vision and speech recognition who seek efficient representations of raw input data.
Author : Li Zhaoping
Publisher : OUP Oxford
Page : 397 pages
File Size : 48,9 Mb
Release : 2014-05-08
Category : Medical
ISBN : 9780191008313
While the field of vision science has grown significantly in the past three decades, there have been few comprehensive books that showed readers how to adopt a computional approach to understanding visual perception, along with the underlying mechanisms in the brain. Understanding Vision explains the computational principles and models of biological visual processing, and in particular, of primate vision. The book is written in such a way that vision scientists, unfamiliar with mathematical details, should be able to conceptually follow the theoretical principles and their relationship with physiological, anatomical, and psychological observations, without going through the more mathematical pages. For those with a physical science background, especially those from machine vision, this book serves as an analytical introduction to biological vision. It can be used as a textbook or a reference book in a vision course, or a computational neuroscience course for graduate students or advanced undergraduate students. It is also suitable for self-learning by motivated readers. in addition, for those with a focused interest in just one of the topics in the book, it is feasible to read just the chapter on this topic without having read or fully comprehended the other chapters. In particular, Chapter 2 presents a brief overview of experimental observations on biological vision; Chapter 3 is on encoding of visual inputs, Chapter 5 is on visual attentional selection driven by sensory inputs, and Chapter 6 is on visual perception or decoding. Including many examples that clearly illustrate the application of computational principles to experimental observations, Understanding Vision is valuable for students and researchers in computational neuroscience, vision science, machine and computer vision, as well as physicists interested in visual processes.
Author : Jack P. Hailman
Publisher : Harvard University Press
Page : 272 pages
File Size : 42,8 Mb
Release : 2008-05-31
Category : Computers
ISBN : 9780674027954
This book explores the strikingly similar ways in which information is encoded in nonverbal man-made signals (e.g., traffic lights and tornado sirens) and animal-evolved signals (e.g., color patterns and vocalizations). The book also considers some coding principles for reducing certain unwanted redundancies and explains how desirable redundancies enhance communication reliability. Jack Hailman believes this work pioneers several aspects of analyzing human and animal communication. The book is the first to survey man-made signals as a class. It is also the first to compare such human-devised systems with signaling in animals by showing the highly similar ways in which the two encode information. A third innovation is generalizing principles of quantitative information theory to apply to a broad range of signaling systems. Finally, another first is distinguishing among types of redundancy and their separation into unwanted and desirable categories. This remarkably novel book will be of interest to a wide readership. Appealing not only to specialists in semiotics, animal behavior, psychology, and allied fields but also to general readers, it serves as an introduction to animal signaling and to an important class of human communication.