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Author : S. Barsky
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (591 download)
Download or read book Surface Shape and Colour Reconstruction Using Photometric Stereo written by S. Barsky and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roberto Cipolla
Publisher : Springer
ISBN 13 : 3642128483
Total Pages : 362 pages
Book Rating : 4.6/5 (421 download)
Download or read book Computer Vision written by Roberto Cipolla and published by Springer. This book was released on 2010-04-06 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer vision is the science and technology of making machines that see. It is concerned with the theory, design and implementation of algorithms that can automatically process visual data to recognize objects, track and recover their shape and spatial layout. The International Computer Vision Summer School - ICVSS was established in 2007 to provide both an objective and clear overview and an in-depth analysis of the state-of-the-art research in Computer Vision. The courses are delivered by world renowned experts in the field, from both academia and industry, and cover both theoretical and practical aspects of real Computer Vision problems. The school is organized every year by University of Cambridge (Computer Vision and Robotics Group) and University of Catania (Image Processing Lab). Different topics are covered each year. A summary of the past Computer Vision Summer Schools can be found at: http://www.dmi.unict.it/icvss This edited volume contains a selection of articles covering some of the talks and tutorials held during the first two editions of the school on topics such as Recognition, Registration and Reconstruction. The chapters provide an in-depth overview of these challenging areas with key references to the existing literature.
Author : Jean-Denis Durou
Publisher : Springer Nature
ISBN 13 : 3030518663
Total Pages : 239 pages
Book Rating : 4.0/5 (35 download)
Download or read book Advances in Photometric 3D-Reconstruction written by Jean-Denis Durou and published by Springer Nature. This book was released on 2020-09-16 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest advances in photometric 3D reconstruction. It provides the reader with an overview of the state of the art in the field, and of the latest research into both the theoretical foundations of photometric 3D reconstruction and its practical application in several fields (including security, medicine, cultural heritage and archiving, and engineering). These techniques play a crucial role within such emerging technologies as 3D printing, since they permit the direct conversion of an image into a solid object. The book covers both theoretical analysis and real-world applications, highlighting the importance of deepening interdisciplinary skills, and as such will be of interest to both academic researchers and practitioners from the computer vision and mathematical 3D modeling communities, as well as engineers involved in 3D printing. No prior background is required beyond a general knowledge of classical computer vision models, numerical methods for optimization, and partial differential equations.
Download or read book Reconstruction of Lambertian Surfaces from Photometric Stereo written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this thesis is to implement and compare two algorithms to reconstruct the shape of an object from photometric stereo. Photometric stereo is a practical technique for determining an object's shape and surface reflectance properties at a distance. The implementation proposes the use of three images of an object, recorded from the same viewpoint but with different illumination. The first algorithm employs the Fourier transform method to solve the minimization problem. The gradient data is obtained by incorporating photometric stereo method on image triplets. The Fourier transform of the unknown surface is then expressed as a function of the Fourier transform of the gradients. The relative depth values are then obtained by applying an inverse Fourier transform of the function. The second algorithm is based on iterative reconstruction which minimizes the cost function by gradient descent and annealing. Both these algorithms are implemented to reconstruct both real and synthetic surfaces and the results are compared. It is also shown that better reconstruction results are obtained by adopting the second algorithm in the presence of discontinuities in the image. Noise sensitivity of the frequency-domain method is also evaluated. An experimental setup to obtain real world images is also presented.
Author : Per H. Christensen
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (329 download)
Download or read book Color Photometric Stereo written by Per H. Christensen and published by . This book was released on 1992 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "This report describes a method for recovering three- dimensional shape of an object from two or more two-dimensional color images of the object. The illumination geometry is different in each image, hence the method is called color photometric stereo. At each visible point on the surface, each image imposes a constraint on the possible surface orientations, and if the constraints are sufficiently strong, the orientation can be determined. Given the orientation at many points of the surface, the three-dimensional shape of the object can be determined. Previously, little work has been done in the use of color for photometric stereo. Only for dielectric materials has this combination been used. The main contribution of this report is to extend the use to other types of materials such as composite materials and metals. The approach used to derive the surface orientation from a color is numerical, therefore the reflection model does not have to be analytically invertible. The reflection models that can be used with color photometric stereo are for example the Lambertian, Phong, and Torrance-Sparrow models. The advantage of using color images rather than grey-scale images is two-fold: At each pixel, there are more constraints on the possible orientation, and hence fewer images of the same object are necessary to recover the shape. Also, the noise-sensitivity will be less (assuming that random noise in the three color components will be independent). The method has been tested on both artificial and real images of composite surfaces."
Author : Simon Fraser University. Centre for Systems Science
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)
Download or read book Shape from Color written by Simon Fraser University. Centre for Systems Science and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jens Ackermann
Publisher :
ISBN 13 : 9781680830781
Total Pages : 124 pages
Book Rating : 4.8/5 (37 download)
Download or read book A Survey of Photometric Stereo Techniques written by Jens Ackermann and published by . This book was released on 2015-11-04 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the foundations of this field of research. Summarizes important trends and developments that have emerged in the last three decades. This is an ideal reference for anyone looking for an understanding of the diverse concepts and ideas around this topic and how we can move towards more general techniques than traditional photometric stereo.
Author : Per H. Christensen
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (798 download)
Download or read book Three-dimensional Shape from Color Photometric Stereo written by Per H. Christensen and published by . This book was released on 1993 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fabio Roli
Publisher : Springer Science & Business Media
ISBN 13 : 3540288694
Total Pages : 1242 pages
Book Rating : 4.5/5 (42 download)
Download or read book Image Analysis And Processing Iciap 2005 written by Fabio Roli and published by Springer Science & Business Media. This book was released on 2005-08-25 with total page 1242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the Proceedings of the 13th International Conference on Image Analysis and Processing (ICIAP 2005), held in Cagliari, Italy, at the conference centre “Centro della Cultura e dei Congressi”, on September 6–8, 2005. ICIAP 2005 was the thirteenth edition of a series of conferences organized every two years by the Italian group of researchersa?liated to the International Association for Pattern Recognition (GIRPR) with the aim to bring together researchers in image processing and pattern recognition from around the world. As for the previous editions, conference topics concerned the theory of image analysis and processing and its classical and Internet-driven applications. The central theme of ICIAP 2005 was “Pattern Recognition in the Internet and Mobile Communications Era”. The interest for such a theme was con?rmed by the large number of papers dealing with it, the special session devoted to pattern recognition for computer network security, and the emphasis of twoinvited talks on Internet and mobile communication issues. ICIAP 2005 received 217 paper submissions. Fifteen papers were collected into the two special sessions dealing with Pattern Recognition for Computer Network Security and Computer Vision for Augmented Reality and Augmented Environments.
Author : Chia-Yen Chen
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (156 download)
Download or read book Shape from Photometric Stereo and Contours written by Chia-Yen Chen and published by . This book was released on 2004 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter W. Hawkes
Publisher : Academic Press
ISBN 13 : 0080912001
Total Pages : 377 pages
Book Rating : 4.0/5 (89 download)
Download or read book Advances in Imaging and Electron Physics written by Peter W. Hawkes and published by Academic Press. This book was released on 2009-06-12 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Imaging and Electron Physics merges two long-running serials--Advances in Electronics and Electron Physics and Advances in Optical and Electron Microscopy. This series features extended articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science and digital image processing, electromagnetic wave propagation, electron microscopy, and the computing methods used in all these domains.
Author : Christian Wöhler
Publisher : Springer Science & Business Media
ISBN 13 : 1447141504
Total Pages : 390 pages
Book Rating : 4.4/5 (471 download)
Download or read book 3D Computer Vision written by Christian Wöhler and published by Springer Science & Business Media. This book was released on 2012-07-23 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: This indispensable text introduces the foundations of three-dimensional computer vision and describes recent contributions to the field. Fully revised and updated, this much-anticipated new edition reviews a range of triangulation-based methods, including linear and bundle adjustment based approaches to scene reconstruction and camera calibration, stereo vision, point cloud segmentation, and pose estimation of rigid, articulated, and flexible objects. Also covered are intensity-based techniques that evaluate the pixel grey values in the image to infer three-dimensional scene structure, and point spread function based approaches that exploit the effect of the optical system. The text shows how methods which integrate these concepts are able to increase reconstruction accuracy and robustness, describing applications in industrial quality inspection and metrology, human-robot interaction, and remote sensing.
Author : Reinhard Klette
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.3/5 (91 download)
Download or read book Computer Vision written by Reinhard Klette and published by . This book was released on 1998-09 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores computer vision, describing the reconstruction of object surfaces and the analysis of distances between camera and objects. Fundamentals and algorithms are presented, including topics such as dynamic stereo analysis, shape from shading, photometric stereo analysis, and structural illumination. New research results in shape reconstruction and depth analysis are also included.
Author : Berthold Horn
Publisher : MIT Press (MA)
ISBN 13 : 9780262081832
Total Pages : 577 pages
Book Rating : 4.0/5 (818 download)
Download or read book Shape from Shading written by Berthold Horn and published by MIT Press (MA). This book was released on 1979 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding how the shape of a three dimensional object may be recovered from shading in a two-dimensional image of the object is one of the most important - and still unresolved - problems in machine vision. Although this important subfield is now in its second decade, this book is the first to provide a comprehensive review of shape from shading. It brings together all of the seminal papers on the subject, shows how recent work relates to more traditional approaches, and provides a comprehensive annotated bibliography. The book's 17 chapters cover: Surface Descriptions from Stereo and Shading. Shape and Source from Shading. The Eikonal Equation: some Results Applicable to Computer Vision. A Method for Enforcing Integrability in Shape from Shading Algorithms. Obtaining Shape from Shading Information. The Variational Approach to Shape from Shading. Calculating the Reflectance Map. Numerical Shape from Shading and Occluding Boundaries. Photometric Invariants Related to Solid Shape. Improved Methods of Estimating Shape from Shading Using the Light Source Coordinate System. A Provably Convergent Algorithm for Shape from Shading. Recovering Three Dimensional Shape from a Single Image of Curved Objects. Perception of Solid Shape from Shading. Local Shading Analysis Pentland. Radarclinometry for the Venus Radar Mapper. Photometric Method for Determining Surface Orientation from Multiple Images. Berthold K. P. Horn is Professor of Electrical Engineering and Computer Science at MIT. He has presided over the field of machine vision for more than a decade and is the author of Robot Vision. Michael Brooks is Reader in Computer Science at The Flinders University of South Australia. Shape from Shading is included in the Artificial Intelligence series, edited by Michael Brady, Daniel Bobrow, and Randall Davis.
Author : Tomas Pajdla
Publisher : Springer Science & Business Media
ISBN 13 : 3540219838
Total Pages : 648 pages
Book Rating : 4.5/5 (42 download)
Download or read book Computer Vision - ECCV 2004 written by Tomas Pajdla and published by Springer Science & Business Media. This book was released on 2004-04-28 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: The four-volume set comprising LNCS volumes 3021/3022/3023/3024 constitutes the refereed proceedings of the 8th European Conference on Computer Vision, ECCV 2004, held in Prague, Czech Republic, in May 2004. The 190 revised papers presented were carefully reviewed and selected from a total of 555 papers submitted. The four books span the entire range of current issues in computer vision. The papers are organized in topical sections on tracking; feature-based object detection and recognition; geometry; texture; learning and recognition; information-based image processing; scale space, flow, and restoration; 2D shape detection and recognition; and 3D shape representation and reconstruction.
Author : Lakhmi C. Jain
Publisher : Springer Nature
ISBN 13 : 9811924481
Total Pages : 262 pages
Book Rating : 4.8/5 (119 download)
Download or read book 3D Imaging—Multidimensional Signal Processing and Deep Learning written by Lakhmi C. Jain and published by Springer Nature. This book was released on 2022-07-01 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers selected papers presented at the conference “Advances in 3D Image and Graphics Representation, Analysis, Computing and Information Technology,” one of the first initiatives devoted to the problems of 3D imaging in all contemporary scientific and application areas. The two volumes of the book cover wide area of the aspects of the contemporary multidimensional imaging and outline the related future trends from data acquisition to real-world applications based on new techniques and theoretical approaches. This volume contains papers devoted to the theoretical representation and analysis of the 3D images. The related topics included are 3D image transformation, 3D tensor image representation, 3D content generation technologies, 3D graphic information processing, VR content generation technologies, multi-dimensional image processing, dynamic and auxiliary 3D displays, VR/AR/MR device, VR camera technologies, 3D imaging technologies and applications, 3D computer vision, 3D video communications, 3D medical images processing and analysis, 3D remote sensing images and systems, deep learning for image restoration and recognition, neural networks for MD image processing, etc.
Author : Kostas Daniilidis
Publisher : Springer
ISBN 13 : 3642155499
Total Pages : 831 pages
Book Rating : 4.6/5 (421 download)
Download or read book Computer Vision -- ECCV 2010 written by Kostas Daniilidis and published by Springer. This book was released on 2010-09-07 with total page 831 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 2010 edition of the European Conference on Computer Vision was held in Heraklion, Crete. The call for papers attracted an absolute record of 1,174 submissions. We describe here the selection of the accepted papers: ? Thirty-eight area chairs were selected coming from Europe (18), USA and Canada (16), and Asia (4). Their selection was based on the following criteria: (1) Researchers who had served at least two times as Area Chairs within the past two years at major vision conferences were excluded; (2) Researchers who served as Area Chairs at the 2010 Computer Vision and Pattern Recognition were also excluded (exception: ECCV 2012 Program Chairs); (3) Minimization of overlap introduced by Area Chairs being former student and advisors; (4) 20% of the Area Chairs had never served before in a major conference; (5) The Area Chair selection process made all possible efforts to achieve a reasonable geographic distribution between countries, thematic areas and trends in computer vision. ? Each Area Chair was assigned by the Program Chairs between 28–32 papers. Based on paper content, the Area Chair recommended up to seven potential reviewers per paper. Such assignment was made using all reviewers in the database including the conflicting ones. The Program Chairs manually entered the missing conflict domains of approximately 300 reviewers. Based on the recommendation of the Area Chairs, three reviewers were selected per paper (with at least one being of the top three suggestions), with 99.
