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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 : 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 : 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 : Ajay Kumar
Publisher : Springer
ISBN 13 : 3319676814
Total Pages : 129 pages
Book Rating : 4.3/5 (196 download)
Download or read book Contactless 3D Fingerprint Identification written by Ajay Kumar and published by Springer. This book was released on 2018-10-29 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important text/reference presents the first dedicated review of techniques for contactless 3D fingerprint identification, including novel and previously unpublished research. The text provides a systematic introduction to 3D fingerprint identification, covering the latest advancements in contactless 2D and 3D sensing technologies, and detailed discussions on each key aspect in the development of an effective 3D fingerprint identification system. Topics and features: introduces the key concepts and trends in the acquisition and identification of fingerprint images, and a range of 3D fingerprint imaging techniques; proposes a low-cost method for online 3D fingerprint image acquisition, and an efficient 3D fingerprint imaging approach using coloured photometric stereo; describes pre-processing operations on point cloud 3D fingerprint data, and explains the specialized operations for reconstructing 3D fingerprints from live finger scans; examines the representation of minutiae in 3D space, providing details on recovering these features from point cloud data, and on matching such 3D minutiae templates; reviews various 3D fingerprint matching methods, including binary surface code-based approaches and a tetrahedron-based matching approach; discusses the uniqueness of 3D fingerprints, evaluating the benefits of employing 3D fingerprint identification over conventional 2D fingerprint techniques. This unique work is a must-read for all researchers seeking to make further advances in this area, towards the exciting opportunities afforded by contactless 3D fingerprint identification for improving the hygiene, user convenience, and matching accuracy of fingerprint biometric technologies.
Author : Changming Sun
Publisher : CSIRO PUBLISHING
ISBN 13 : 0643098836
Total Pages : 916 pages
Book Rating : 4.6/5 (43 download)
Download or read book Digital Image Computing: Techniques and Applications written by Changming Sun and published by CSIRO PUBLISHING. This book was released on 2003-12-01 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital Image Computing: Techniques and Applications is the premier biennial conference in Australia on the topics of image processing and image analysis. This seventh edition of the proceedings has seen an unprecedented level of submission, on such diverse areas as: Image processing; Face recognition; Segmentation; Registration; Motion analysis; Medical imaging; Object recognition; Virtual environments; Graphics; Stereo-vision; and Video analysis. These two volumes contain all the 108 accepted papers and five invited talks that were presented at the conference. These two volumes provide the Australian and international imaging research community with a snapshot of current theoretical and practical developments in these areas. They are of value to any engineer, computer scientist, mathematician, statistician or student interested in these matters.
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 : Lourdes Agapito
Publisher : Springer
ISBN 13 : 3319161997
Total Pages : 872 pages
Book Rating : 4.3/5 (191 download)
Download or read book Computer Vision - ECCV 2014 Workshops written by Lourdes Agapito and published by Springer. This book was released on 2015-03-19 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: The four-volume set LNCS 8925, 8926, 8927 and 8928 comprises the thoroughly refereed post-workshop proceedings of the Workshops that took place in conjunction with the 13th European Conference on Computer Vision, ECCV 2014, held in Zurich, Switzerland, in September 2014. The 203 workshop papers were carefully reviewed and selected for inclusion in the proceedings. They where presented at workshops with the following themes: where computer vision meets art; computer vision in vehicle technology; spontaneous facial behavior analysis; consumer depth cameras for computer vision; "chalearn" looking at people: pose, recovery, action/interaction, gesture recognition; video event categorization, tagging and retrieval towards big data; computer vision with local binary pattern variants; visual object tracking challenge; computer vision + ontology applies cross-disciplinary technologies; visual perception of affordance and functional visual primitives for scene analysis; graphical models in computer vision; light fields for computer vision; computer vision for road scene understanding and autonomous driving; soft biometrics; transferring and adapting source knowledge in computer vision; surveillance and re-identification; color and photometry in computer vision; assistive computer vision and robotics; computer vision problems in plant phenotyping; and non-rigid shape analysis and deformable image alignment. Additionally, a panel discussion on video segmentation is included.
Author : Bernd Girod
Publisher : Springer Science & Business Media
ISBN 13 : 1475731868
Total Pages : 475 pages
Book Rating : 4.4/5 (757 download)
Download or read book Principles of 3D Image Analysis and Synthesis written by Bernd Girod and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditionally, say 15 years ago, three-dimensional image analysis (aka computer vi sion) and three-dimensional image synthesis (aka computer graphics) were separate fields. Rarely were expert
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.
Author : Xiaoxuan Han
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (472 download)
Download or read book Photometric Stereo Methods for Three Dimensional Shape Recovery in Attenuating Media written by Xiaoxuan Han and published by . This book was released on 2000 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : David Forsyth
Publisher : Springer Science & Business Media
ISBN 13 : 3540886818
Total Pages : 833 pages
Book Rating : 4.5/5 (48 download)
Download or read book Computer Vision - ECCV 2008 written by David Forsyth and published by Springer Science & Business Media. This book was released on 2008-10-07 with total page 833 pages. Available in PDF, EPUB and Kindle. Book excerpt: The four-volume set comprising LNCS volumes 5302/5303/5304/5305 constitutes the refereed proceedings of the 10th European Conference on Computer Vision, ECCV 2008, held in Marseille, France, in October 2008. The 243 revised papers presented were carefully reviewed and selected from a total of 871 papers submitted. The four books cover the entire range of current issues in computer vision. The papers are organized in topical sections on recognition, stereo, people and face recognition, object tracking, matching, learning and features, MRFs, segmentation, computational photography and active reconstruction.
Author : Andrea Fusiello
Publisher : Springer Nature
ISBN 13 : 303134507X
Total Pages : 348 pages
Book Rating : 4.0/5 (313 download)
Download or read book Computer Vision: Three-dimensional Reconstruction Techniques written by Andrea Fusiello and published by Springer Nature. This book was released on 2024-01-28 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: From facial recognition to self-driving cars, the applications of computer vision are vast and ever-expanding. Geometry plays a fundamental role in this discipline, providing the necessary mathematical framework to understand the underlying principles of how we perceive and interpret visual information in the world around us. This text explores the theories and computational techniques used to determine the geometric properties of solid objects through images. It covers the basic concepts and provides the necessary mathematical background for more advanced studies. The book is divided into clear and concise chapters covering a wide range of topics including image formation, camera models, feature detection and 3D reconstruction. Each chapter includes detailed explanations of the theory as well as practical examples to help the reader understand and apply the concepts presented. The book has been written with the intention of being used as a primary resource for students on university courses in computer vision, particularly final year undergraduate or postgraduate computer science or engineering courses. It is also useful for self-study and for those who, outside the academic field, find themselves applying computer vision to solve practical problems. The aim of the book is to strike a balance between the complexity of the theory and its practical applicability in terms of implementation. Rather than providing a comprehensive overview of the current state of the art, it offers a selection of specific methods with enough detail to enable the reader to implement them.
Author : Andreas Koschan
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 406 pages
Book Rating : 4.F/5 ( download)
Download or read book Digital Color Image Processing written by Andreas Koschan and published by Wiley-Interscience. This book was released on 2008-04-18 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to color in three-dimensional image processing and the emerging area of multi-spectral image processing The importance of color information in digital image processing is greater than ever. However, the transition from scalar to vector-valued image functions has not yet been generally covered in most textbooks. Now, Digital Color Image Processing fills this pressing need with a detailed introduction to this important topic. In four comprehensive sections, this book covers: The fundamentals and requirements for color image processing from a vector-valued viewpoint Techniques for preprocessing color images Three-dimensional scene analysis using color information, as well as the emerging area of multi-spectral imaging Applications of color image processing, presented via the examination of two case studies In addition to introducing readers to important new technologies in the field, Digital Color Image Processing also contains novel topics such as: techniques for improving three-dimensional reconstruction, three-dimensional computer vision, and emerging areas of safety and security applications in luggage inspection and video surveillance of high-security facilities. Complete with full-color illustrations and two applications chapters, Digital Color Image Processing is the only book that covers the breadth of the subject under one convenient cover. It is written at a level that is accessible for first- and second-year graduate students in electrical and computer engineering and computer science courses, and that is also appropriate for researchers who wish to extend their knowledge in the area of color image processing.
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 : Constantine Stephanidis
Publisher : Springer Nature
ISBN 13 : 3030607003
Total Pages : 525 pages
Book Rating : 4.0/5 (36 download)
Download or read book HCI International 2020 – Late Breaking Posters written by Constantine Stephanidis and published by Springer Nature. This book was released on 2020-11-07 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the poster papers presented during the 22nd International Conference on Human-Computer Interaction, HCII 2020, which was held in July 2020. The conference was planned to take place in Copenhagen, Denmark, but had to change to a virtual conference mode due to the COVID-19 pandemic. From a total of 6326 submissions, a total of 1439 papers and 238 posters have been accepted for publication in the HCII 2020 proceedings before the conference took place. In addition, a total of 333 papers and 144 posters are included in the volumes of the proceedings published after the conference as “Late Breaking Work” (papers and posters). These contributions address the latest research and development efforts in the field and highlight the human aspects of design and use of computing systems. The 62 papers presented in this volume are organized in topical sections as follows: HCI theory, methods and tools; mobile and multimodal interaction; interacting with data, information and knowledge; interaction and intelligence; user experience, emotions and psychophysiological computing.
Author : Fiorenza Bortolami
Publisher : All'Insegna del Giglio
ISBN 13 : 8892852795
Total Pages : 565 pages
Book Rating : 4.8/5 (928 download)
Download or read book Archeologia e Calcolatori, 35.1, 2024 written by Fiorenza Bortolami and published by All'Insegna del Giglio. This book was released on 2024-07-31 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: Il numero 35.1, 2024 di Archeologia e Calcolatori è un volume ricco e articolato che contiene tre sezioni speciali e un gruppo di 15 contributi dedicati all’applicazione delle più attuali tecnologie informatiche nei diversi settori della ricerca archeologica, in cui si nota una crescente attenzione verso il dato visuale e la modellazione virtuale. La prima sezione, curata da G. Gambacurta e F. Bortolami, è dedicata agli Atti del workshop (Venezia 25 settembre 2023) “Necropoli etrusco-italiche: archeologia digitale e paesaggio funerario”, che offrono un interessante focus sul tema della ricostruzione del paesaggio funerario attraverso le nuove tecnologie, presentando alcuni significativi casi di studio. La seconda sezione è curata da V. Fromageot-Laniepce e A.V. Szabados e tratta di “Images antiques et humanités numériques”, tematica particolarmente fertile negli studi della scuola francese. La sezione, in particolare, riferisce i risultati dei seminari ArcheoNum, organizzati dall’equipe CNRS-ArScAn con l’obiettivo di creare uno spazio di dialogo sulle questioni dell’archeologia e del patrimonio culturale digitali. La terza sezione, curata da A. Caravale. P. Moscati e I. Rossi, chiude il volume, pubblicando i primi risultati del lavoro di alcuni gruppi di ricerca impegnati nel Progetto PNRR H2IOSC, che mira a creare un cluster di Infrastrutture di Ricerca nei settori delle Scienze Umane, delle Tecnologie Linguistiche e dei Beni Culturali.
