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Stereo Vision for Facet Type Cameras

Stereo Vision for Facet Type Cameras
Author: Tao Jiang
Publisher: Logos Verlag Berlin GmbH
Total Pages: 124
Release: 2016-07-11
Genre: Computers
ISBN: 383254285X
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The dissertation mainly studies a novel method of subpixel stereo vision for Electronic cluster eye (eCley), a state-of-the-art artificial superposition compound eye with super resolution. In the whole thesis, The author mainly deduce the mathematical model of stereo vision in eCley theoretically based on its special structure, discuss the optical correction and geometric calibration that are essential to high precision measurement, study the implementation of methods of the subpixel baselines for each pixel pair based on intensity information and gradient information in transitional areas, and eventually implement real-time subpixel distance measurement for objects through these edge features. To verify the various methods adopted, and to analyze the precision of these methods, experiments are implemented in many practical scenes. This stereo vision method extends the ability of perceiving 3D information in eCley, and makes it applicable to more comprehensive fields such as 3D object position, distance measurement, and 3D reconstruction.

Stereo Vision

Stereo Vision
Author: Asim Bhatti
Publisher: BoD – Books on Demand
Total Pages: 383
Release: 2008-11-01
Genre: Technology & Engineering
ISBN: 9537619222
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The book comprehensively covers almost all aspects of stereo vision. In addition reader can find topics from defining knowledge gaps to the state of the art algorithms as well as current application trends of stereo vision to the development of intelligent hardware modules and smart cameras. It would not be an exaggeration if this book is considered to be one of the most comprehensive books published in reference to the current research in the field of stereo vision. Research topics covered in this book makes it equally essential and important for students and early career researchers as well as senior academics linked with computer vision.

Handbook of Technical Diagnostics

Handbook of Technical Diagnostics
Author: Horst Czichos
Publisher: Springer Science & Business Media
Total Pages: 560
Release: 2013-01-11
Genre: Technology & Engineering
ISBN: 3642258506
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This book presents concepts, methods and techniques to examine symptoms of faults and failures of structures, systems and components and to monitor functional performance and structural integrity. The book is organized in five parts. Part A introduces the scope and application of technical diagnostics and gives a comprehensive overview of the physics of failure. Part B presents all relevant methods and techniques for diagnostics and monitoring: from stress, strain, vibration analysis, nondestructive evaluation, thermography and industrial radiology to computed tomography and subsurface microstructural analysis. Part C cores the principles and concepts of technical failure analysis, illustrates case studies, and outlines machinery diagnostics with an emphasis on tribological systems. Part D describes the application of structural health monitoring and performance control to plants and the technical infrastructure, including buildings, bridges, pipelines, electric power stations, offshore wind structures, and railway systems. And finally, Part E is an excursion on diagnostics in arts and culture. The book integrates knowledge of basic sciences and engineering disciplines with contributions from research institutions, academe, and industry, written by internationally known experts from various parts of the world, including Europe, Canada, India, Japan, and USA.

Analysis and Design of Panoramic Stereo Vision Using Equi-angular Pixel Cameras

Analysis and Design of Panoramic Stereo Vision Using Equi-angular Pixel Cameras
Author: Mark Ollis
Publisher:
Total Pages: 43
Release: 1999
Genre: Computer vision
ISBN:
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Abstract: "In this report we discuss methods to perform stereo vision using a novel configuration of devices that allow imaging of a very wide field of view (full 360 degrees in the azimuth and up to 120 degrees in elevation). Since the wide field of view produces significant distortion that varies with viewpoint, we have developed a method to do correlation matching and triangulation for stereo vision that incorporates mirror shape. In this report we evaluate various configurations of cameras and mirrors that could be used to produce stereo imagery, including one that can use a single camera to produce stereo images. Range from panoramic stereo imagery can be used in many applications that require the three dimensional shape of the world. The chief advantages of this method is that it can [sic] made cheaply with no moving parts and can provide dense range data. Specifically, this kind of a sensor could be used for telepresence, autonomous navigation by robots, automatic mapping of environments and attitude estimation."

Mechanical Properties and Performance of Engineering Ceramics and Composites X

Mechanical Properties and Performance of Engineering Ceramics and Composites X
Author: Dileep Singh
Publisher: John Wiley & Sons
Total Pages: 124
Release: 2015-12-23
Genre: Technology & Engineering
ISBN: 1119211484
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The Ceramic Engineering and Science Proceeding has been published by The American Ceramic Society since 1980. This series contains a collection of papers dealing with issues in both traditional ceramics (i.e., glass, whitewares, refractories, and porcelain enamel) and advanced ceramics. Topics covered in the area of advanced ceramic include bioceramics, nanomaterials, composites, solid oxide fuel cells, mechanical properties and structural design, advanced ceramic coatings, ceramic armor, porous ceramics, and more.

Engineered Biomimicry

Engineered Biomimicry
Author: Akhlesh Lakhtakia
Publisher: Newnes
Total Pages: 493
Release: 2013-05-24
Genre: Science
ISBN: 0123914329
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Engineered Biomimicry covers a broad range of research topics in the emerging discipline of biomimicry. Biologically inspired science and technology, using the principles of math and physics, has led to the development of products as ubiquitous as VelcroTM (modeled after the spiny hooks on plant seeds and fruits). Readers will learn to take ideas and concepts like this from nature, implement them in research, and understand and explain diverse phenomena and their related functions. From bioinspired computing and medical products to biomimetic applications like artificial muscles, MEMS, textiles and vision sensors, Engineered Biomimicry explores a wide range of technologies informed by living natural systems. Engineered Biomimicry helps physicists, engineers and material scientists seek solutions in nature to the most pressing technical problems of our times, while providing a solid understanding of the important role of biophysics. Some physical applications include adhesion superhydrophobicity and self-cleaning, structural coloration, photonic devices, biomaterials and composite materials, sensor systems, robotics and locomotion, and ultra-lightweight structures. Explores biomimicry, a fast-growing, cross-disciplinary field in which researchers study biological activities in nature to make critical advancements in science and engineering Introduces bioinspiration, biomimetics, and bioreplication, and provides biological background and practical applications for each Cutting-edge topics include bio-inspired robotics, microflyers, surface modification and more

A Stereo Vision Technique Based on the Multi-positioned Camera Criterion

A Stereo Vision Technique Based on the Multi-positioned Camera Criterion
Author: Jie Bao
Publisher:
Total Pages: 208
Release: 1990
Genre: Computer vision
ISBN:
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A modified feature based stereo vision [sic] technique is described in this thesis. The technique uses the curve-segments as the feature primitives in the matching process. The local characteristics of the curve-segments are extracted by the, Generalized Hough Transform. A set of images of a scene, which are taken by a multi-positioned camera satisfying the parallelism criterion, are first filtered by the Laplacian of a Gaussian operator in different widths, i.e. coarse to fine channels. At each channel, the Generalized Hough Transform is applied to the curve-segments in each image. The curve position, the curve-length, the curve centroid, the average gradient of the curve-segment and the R-table are, used as the local features in representing the distinctive characteristics of the curve-segment. These features of all the curve-segments, in an image are used as the constraints to find the corresponding curve-segments in the different images. The epipolar constraint oil the centroid of the curve-segment is used to limit the search window ill the images. Since the multi-images of one view are used, there exist more information about the scene than the two relational images criterion. Its performance compares to the other matching techniques, for example, the point, matching or twin image matching that the mismatching and the calculation are greatly reduced. Although the algorithm is not feasible for the realization of the real-time implementation of stereo vision [sic], it is a more economic way of finding the depth of all object or a view.

Simultaneous Localization and Mapping for Mobile Robots: Introduction and Methods

Simultaneous Localization and Mapping for Mobile Robots: Introduction and Methods
Author: Fernández-Madrigal, Juan-Antonio
Publisher: IGI Global
Total Pages: 497
Release: 2012-09-30
Genre: Technology & Engineering
ISBN: 1466621052
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As mobile robots become more common in general knowledge and practices, as opposed to simply in research labs, there is an increased need for the introduction and methods to Simultaneous Localization and Mapping (SLAM) and its techniques and concepts related to robotics. Simultaneous Localization and Mapping for Mobile Robots: Introduction and Methods investigates the complexities of the theory of probabilistic localization and mapping of mobile robots as well as providing the most current and concrete developments. This reference source aims to be useful for practitioners, graduate and postgraduate students, and active researchers alike.