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Optic Flow and Beyond

Optic Flow and Beyond
Author: L.M. Vaina
Publisher: Springer Science & Business Media
Total Pages: 542
Release: 2004-04-30
Genre: Medical
ISBN: 9781402020919

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Optic flow provides all the information necessary to guide a walking human or a mobile robot to its target. Over the past 50 years, a body of research on optic flow spanning the disciplines of neurophysiology, psychophysics, experimental psychology, brain imaging and computational modelling has accumulated. Today, when we survey the field, we find independent lines of research have now converged and many arguments have been resolved; simultaneously the underpinning assumptions of flow theory are being questioned and alternative accounts of the visual guidance of locomotion proposed. At this critical juncture, this volume offers a timely review of what has been learnt and pointers to where the field is going.


Insect Sex Pheromone Research and Beyond

Insect Sex Pheromone Research and Beyond
Author: Yukio Ishikawa
Publisher: Springer Nature
Total Pages: 320
Release: 2020-03-19
Genre: Science
ISBN: 9811530823

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This book provides a complete overview of cutting-edge research on insect sex pheromones and pheromone communication systems. The coverage ranges from the chemistry, biosynthesis, and reception of sex pheromones to the control of odor-source searching behavior, and from molecules to the application of research findings to robotics. The book both summarizes the progress of studies conducted using Bombyx mori and several groups of moths and reviews sex pheromones of some non-lepidopteran insect groups of agricultural importance. Attention is drawn to recent findings on elaborate neural information processing in the brain in male moths and to the importance of olfactory receptors specifically tuned to sex pheromone molecules. Featuring contributions from leading experts on the topic, this book will be a unique and valuable resource for researchers and students in the fields of entomology, chemical ecology, insect physiology and biochemistry, evolution, biomimetics, and bioengineering. In addition to researchers, general insect lovers will find the book fascinating for its descriptions of the marvelous abilities of insects and the underlying mechanisms involved.


Stereo Scene Flow for 3D Motion Analysis

Stereo Scene Flow for 3D Motion Analysis
Author: Andreas Wedel
Publisher: Springer Science & Business Media
Total Pages: 133
Release: 2011-08-17
Genre: Computers
ISBN: 0857299654

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This book presents methods for estimating optical flow and scene flow motion with high accuracy, focusing on the practical application of these methods in camera-based driver assistance systems. Clearly and logically structured, the book builds from basic themes to more advanced concepts, culminating in the development of a novel, accurate and robust optic flow method. Features: reviews the major advances in motion estimation and motion analysis, and the latest progress of dense optical flow algorithms; investigates the use of residual images for optical flow; examines methods for deriving motion from stereo image sequences; analyses the error characteristics for motion variables, and derives scene flow metrics for movement likelihood and velocity; introduces a framework for scene flow-based moving object detection and segmentation; includes Appendices on data terms and quadratic optimization, and scene flow implementation using Euler-Lagrange equations, in addition to a helpful Glossary.


Introduction to Modern Optics

Introduction to Modern Optics
Author: Grant R. Fowles
Publisher: Courier Corporation
Total Pages: 336
Release: 2012-04-25
Genre: Science
ISBN: 048613492X

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A complete basic undergraduate course in modern optics for students in physics, technology, and engineering. The first half deals with classical physical optics; the second, quantum nature of light. Solutions.


Optical Flow

Optical Flow
Author: Fouad Sabry
Publisher: One Billion Knowledgeable
Total Pages: 140
Release: 2024-05-13
Genre: Computers
ISBN:

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What is Optical Flow Optical flow or optic flow is the pattern of apparent motion of objects, surfaces, and edges in a visual scene caused by the relative motion between an observer and a scene. Optical flow can also be defined as the distribution of apparent velocities of movement of brightness pattern in an image. How you will benefit (I) Insights, and validations about the following topics: Chapter 1: Optical flow Chapter 2: Least squares Chapter 3: Fourier optics Chapter 4: Image segmentation Chapter 5: Lucas-Kanade method Chapter 6: Horn-Schunck method Chapter 7: Digital image correlation and tracking Chapter 8: 3D reconstruction Chapter 9: Visual odometry Chapter 10: Harris corner detector (II) Answering the public top questions about optical flow. (III) Real world examples for the usage of optical flow in many fields. Who this book is for Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of Optical Flow.


Handbook of Mathematical Models in Computer Vision

Handbook of Mathematical Models in Computer Vision
Author: Nikos Paragios
Publisher: Springer Science & Business Media
Total Pages: 612
Release: 2006-01-16
Genre: Computers
ISBN: 0387288317

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Abstract Biological vision is a rather fascinating domain of research. Scientists of various origins like biology, medicine, neurophysiology, engineering, math ematics, etc. aim to understand the processes leading to visual perception process and at reproducing such systems. Understanding the environment is most of the time done through visual perception which appears to be one of the most fundamental sensory abilities in humans and therefore a significant amount of research effort has been dedicated towards modelling and repro ducing human visual abilities. Mathematical methods play a central role in this endeavour. Introduction David Marr's theory v^as a pioneering step tov^ards understanding visual percep tion. In his view human vision was based on a complete surface reconstruction of the environment that was then used to address visual subtasks. This approach was proven to be insufficient by neuro-biologists and complementary ideas from statistical pattern recognition and artificial intelligence were introduced to bet ter address the visual perception problem. In this framework visual perception is represented by a set of actions and rules connecting these actions. The emerg ing concept of active vision consists of a selective visual perception paradigm that is basically equivalent to recovering from the environment the minimal piece information required to address a particular task of interest.


Flow

Flow
Author: Mihaly Csikszent
Publisher: Harper Collins
Total Pages: 322
Release: 1991-03-13
Genre: Psychology
ISBN: 0060920432

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An introduction to "flow," a new field of behavioral science that offers life-fulfilling potential, explains its principles and shows how to introduce flow into all aspects of life, avoiding the interferences of disharmony.


Modelling Human Motion

Modelling Human Motion
Author: Nicoletta Noceti
Publisher: Springer Nature
Total Pages: 351
Release: 2020-07-09
Genre: Computers
ISBN: 3030467325

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The new frontiers of robotics research foresee future scenarios where artificial agents will leave the laboratory to progressively take part in the activities of our daily life. This will require robots to have very sophisticated perceptual and action skills in many intelligence-demanding applications, with particular reference to the ability to seamlessly interact with humans. It will be crucial for the next generation of robots to understand their human partners and at the same time to be intuitively understood by them. In this context, a deep understanding of human motion is essential for robotics applications, where the ability to detect, represent and recognize human dynamics and the capability for generating appropriate movements in response sets the scene for higher-level tasks. This book provides a comprehensive overview of this challenging research field, closing the loop between perception and action, and between human-studies and robotics. The book is organized in three main parts. The first part focuses on human motion perception, with contributions analyzing the neural substrates of human action understanding, how perception is influenced by motor control, and how it develops over time and is exploited in social contexts. The second part considers motion perception from the computational perspective, providing perspectives on cutting-edge solutions available from the Computer Vision and Machine Learning research fields, addressing higher-level perceptual tasks. Finally, the third part takes into account the implications for robotics, with chapters on how motor control is achieved in the latest generation of artificial agents and how such technologies have been exploited to favor human-robot interaction. This book considers the complete human-robot cycle, from an examination of how humans perceive motion and act in the world, to models for motion perception and control in artificial agents. In this respect, the book will provide insights into the perception and action loop in humans and machines, joining together aspects that are often addressed in independent investigations. As a consequence, this book positions itself in a field at the intersection of such different disciplines as Robotics, Neuroscience, Cognitive Science, Psychology, Computer Vision, and Machine Learning. By bridging these different research domains, the book offers a common reference point for researchers interested in human motion for different applications and from different standpoints, spanning Neuroscience, Human Motor Control, Robotics, Human-Robot Interaction, Computer Vision and Machine Learning. Chapter 'The Importance of the Affective Component of Movement in Action Understanding' of this book is available open access under a CC BY 4.0 license at link.springer.com.