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Multiresolution Image Shape Description
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Book Synopsis Multiresolution Image Shape Description by : John M. Gauch
Download or read book Multiresolution Image Shape Description written by John M. Gauch and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much of our understanding of the relationships among geometric struc tures in images is based on the shape of these structures and their relative orientations, positions and sizes. Thus, developing quantitative methods for capturing shape information from digital images is an important area for computer vision research. This book describes the theory, implemen tation, and application of two multi resolution image shape description methods. The author begins by motivating the need for quantitative methods for describing both the spatial and intensity variations of struc tures in grey-scale images. Two new methods which capture this informa tion are then developed. The first, the intensity axis of symmetry, is a collection of branching and bending surfaces which correspond to the skeleton of the image. The second method, multiresolution vertex curves, focuses on surface curvature properties as the image is blurred by a sequence of Gaussian filters. Implementation techniques for these image shape descriptions are described in detail. Surface functionals are mini mized subject to symmetry constraints to obtain the intensity axis of symmetry. Robust numerical methods are developed for calculating and following vertex curves through scale space. Finally, the author demon strates how grey-scale images can be segmented into geometrically coher ent regions using these shape description techniques. Building quantita tive analysis applications in terms of these visually sensible image regions promises to be an exciting area of biomedical computer vision research. v Acknowledgments This book is a corrected and revised version of the author's Ph. D.
Book Synopsis Multiresolution shape change analysis of biomedical images by : Christopher Erik Griffin
Download or read book Multiresolution shape change analysis of biomedical images written by Christopher Erik Griffin and published by . This book was released on 1995 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Multiresolution Approach to Image Segmentation and 2-D Shape Recognition by : Andrew P. King
Download or read book A Multiresolution Approach to Image Segmentation and 2-D Shape Recognition written by Andrew P. King and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiresolution image structures for peripheral guidance of attentive processes by : Worthy N. Martin
Download or read book Multiresolution image structures for peripheral guidance of attentive processes written by Worthy N. Martin and published by . This book was released on 1986 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Multilevel-Multiresolution Method for Image Processing. A Bayesian Framework for Reconstructing and Representing Shapes by :
Download or read book A Multilevel-Multiresolution Method for Image Processing. A Bayesian Framework for Reconstructing and Representing Shapes written by and published by . This book was released on 1993 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the period of the grant, 1/15/90 - 1/14/93, we have developed: (1) a coherent multiresolution framework for image analysis tasks, in particular, for estimating 3-D shapes from a single video or SAR image; the algorithm has been applied to constructing topographic maps of Venus' terrain, and to segmentation/classification of textures, (2) efficient procedures for estimating the parameters of Markov Random Fields (MRF's) from noisy and degraded data, (3) a fixed-length noiseless source coding for MRF's using large deviations, and (4) a multi-grid type algorithm for maximum-likelihood estimation in tomography. In addition, we have begun a new non-parametric approach to speech recognition.
Book Synopsis Multiresolution Image Processing and Analysis by : A. Rosenfeld
Download or read book Multiresolution Image Processing and Analysis written by A. Rosenfeld and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book results from a Workshop on Multiresolution Image Processing and Analysis, held in Leesburg, VA on July 19-21, 1982. It contains updated ver sions of most of the papers that were presented at the Workshop, as well as new material added by the authors. Four of the presented papers were not available for inclusion in the book: D. Sabbah, A computing with connections approach to visual recognition; R. M. Haralick, Fitting the gray tone intensity surface as a function of neighborhood size; E. M. Riseman, Hierarchical boundary formation; and W. L. Mahaffey, L. S. Davis, and J. K. Aggarwal, Region correspondence in multi-resolution images taken from dynamic scenes. The number and variety of papers indicates the timeliness of the H0rkshop. Multiresolution methods are rapidly gaining recognition as an important theme in image processing and analysis. I would like to express my thanks to the National Science Foundation for their support of the Workshop under Grant MCS-82-05942; to Barbara Hope for organizing and administering the Workshop; to Janet Salzman and Fran Cohen, for retyping the papers; and above all, to the speakers and other partici pants, for making the Workshop possible.
Book Synopsis Multi-resolution Shape Description by Corners by : Cornelia Fermüller
Download or read book Multi-resolution Shape Description by Corners written by Cornelia Fermüller and published by . This book was released on 1992 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: These results are used to eliminate any ambiguities that might arise from sampling problems due to the discreteness of the representation. Finally, experimental results demonstrate the potential of the method."
Book Synopsis Multiresolution Image Segmentation by : A. Bhalerao
Download or read book Multiresolution Image Segmentation written by A. Bhalerao and published by . This book was released on 1989 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "The segmentation of images into regions that have some common property is a fundamental problem in image processing. Traditional approaches to segmentation have been either edge based or region based. It is clear, however, that a multiresolution approach, where image properties are measured at varying scales, is the only way to overcome the inherent uncertainty between the class of a region and its position. A review is presented of both boundary and region based schemes concentrating on multiresolution methods. The results of an investigation into a set of rotation-invariant operators are presented. Taking boundary information as input, these operators can detect features such as corners, and could be employed to provide shape information in a segmentation scheme. A new quad-tree segmentation method is described and some initial results presented."
Book Synopsis Advances In Visual Form Analysis: Proceedings Of The 3rd International Workshop On Visual Form by : Gabriella Sanniti Di Baja
Download or read book Advances In Visual Form Analysis: Proceedings Of The 3rd International Workshop On Visual Form written by Gabriella Sanniti Di Baja and published by World Scientific. This book was released on 1997-10-31 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains papers presented at the Third International Workshop on Visual Form. It covers the most important topics of current interest in the field, presenting an updated collection of results achieved by leading academic and industrial research groups from several countries. The book contains invited lectures and research papers dealing with theoretical and applicative aspects of shape perception, representation, decomposition, description and recognition, as well as related topics.
Book Synopsis Computational Intelligence in Archaeology by : Barcelo, Juan A.
Download or read book Computational Intelligence in Archaeology written by Barcelo, Juan A. and published by IGI Global. This book was released on 2008-07-31 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides analytical theories offered by innovative artificial intelligence computing methods in the archaeological domain.
Book Synopsis Computer Analysis of Images and Patterns by : Nicolai Petkov
Download or read book Computer Analysis of Images and Patterns written by Nicolai Petkov and published by Springer. This book was released on 2003-11-06 with total page 797 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the 10th International Conference on Computer Analysis of Images and Patterns (CAIP 2003). This conference - ries started about 18 years ago in Berlin. Initially, the conference served as a forum for meetings between scientists from Western- and Eastern-bloc co- tries. Nowadays, the conference attracts participants from all over the world. The conference gives equal weight to posters and oral presentations, and the selected presentation mode is based on the most appropriate communication medium. The programme follows a single-track format, rather than parallel s- sions. Non-overlapping oral and poster sessions ensure that all attendees have the opportunity to interact personally with presenters. As for the numbers, we received a total of 160 submissions. All papers were reviewed by two to three members of the Programme Committee. The ?nal - lection was carried out by the Conference Chairs. Out of the 160 papers, 42 were selected for oral presentation and 52 as posters. At this point, we wish to thank the Programme Committee and additional referees for their timely and high-quality reviews. The paper submission and review procedure was carried out electronically. We thank Marcin Morg ́ os from Scalar–IT Solutions for p- viding us with the Web-based participant registration system. We also thank the invited speakers Nicholas Ayache, John Daugman, and Dariu Gavrila, for kindly accepting our invitation.
Book Synopsis IEEE International Conference on Systems Engineering, August 1-3, 1991, Holiday Inn, Fairborn, Ohio by :
Download or read book IEEE International Conference on Systems Engineering, August 1-3, 1991, Holiday Inn, Fairborn, Ohio written by and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 1991 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Exploiting the Spatial Information in High Resolution Satellite Data and Utilising Multi-Source Data for Tropical Mountain Forest and Land Cover Mapping by : Anke Gleitsmann
Download or read book Exploiting the Spatial Information in High Resolution Satellite Data and Utilising Multi-Source Data for Tropical Mountain Forest and Land Cover Mapping written by Anke Gleitsmann and published by ibidem-Verlag / ibidem Press. This book was released on 2012-02-24 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Die Cordillera Central der Dominikanischen Republik ist eine Quelle wichtiger natürlicher Ressourcen – vor allem Wasser – für dieses karibische Land. Im oberen Einzugsgebiet des Río Yaque del Norte wurde im Laufe des 20. Jahrhunderts ein großer Teil der natürlichen Wälder abgeholzt und durch Weide- und Ackerland sowie Sekundärvegetation ersetzt. Entwaldung und nicht nachhaltige Landnutzung auf den steilen Hängen dieses Gebietes haben zu Erosion und Landdegradierung geführt. Es gibt aber auch noch verschiedene primäre Bergwälder, darunter kleine Nebelwaldbereiche mit bedrohten endemischen Arten. Fernerkundungsdaten sind eine unverzichtbare Quelle für flächendeckende räumliche Informationen, die als Basis für Raumnutzungspläne und den Schutz bedrohter Ökosysteme benötigt werden. Die Nutzbarkeit von Satellitendaten mittlerer Auflösung (z.B. Landsat) für die Kartierung der Vegetationstypen des Untersuchungsgebietes ist begrenzt, weil das kleinräumige Mosaik verschiedener Landbedeckungstypen (wie in vielen tropischen Gebirgsbereichen) zu einem großen Anteil von Mischpixeln in diesen Daten führt. Die neue Generation kommerzieller hochauflösender Satelliten wie IKONOS (1 m bis 4 m Auflösung) ermöglicht eine detailliertere Kartierung von kleineren Interessensgebieten, aber die automatische Klassifizierung räumlich hochaufgelöster Daten beinhaltet auch neue Herausforderungen. Diese Arbeit beschäftigt sich daher hauptsächlich mit der Optimierung von Methoden zur Ausnutzung der räumlichen Information in hochauflösenden Satellitendaten für die Kartierung von tropischen Bergwäldern und anderen Landoberflächen.
Book Synopsis Front-End Vision and Multi-Scale Image Analysis by : Bart M. Haar Romeny
Download or read book Front-End Vision and Multi-Scale Image Analysis written by Bart M. Haar Romeny and published by Springer Science & Business Media. This book was released on 2008-10-24 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many approaches have been proposed to solve the problem of finding the optic flow field of an image sequence. Three major classes of optic flow computation techniques can discriminated (see for a good overview Beauchemin and Barron IBeauchemin19951): gradient based (or differential) methods; phase based (or frequency domain) methods; correlation based (or area) methods; feature point (or sparse data) tracking methods; In this chapter we compute the optic flow as a dense optic flow field with a multi scale differential method. The method, originally proposed by Florack and Nielsen [Florack1998a] is known as the Multiscale Optic Flow Constrain Equation (MOFCE). This is a scale space version of the well known computer vision implementation of the optic flow constraint equation, as originally proposed by Horn and Schunck [Horn1981]. This scale space variation, as usual, consists of the introduction of the aperture of the observation in the process. The application to stereo has been described by Maas et al. [Maas 1995a, Maas 1996a]. Of course, difficulties arise when structure emerges or disappears, such as with occlusion, cloud formation etc. Then knowledge is needed about the processes and objects involved. In this chapter we focus on the scale space approach to the local measurement of optic flow, as we may expect the visual front end to do. 17. 2 Motion detection with pairs of receptive fields As a biologically motivated start, we begin with discussing some neurophysiological findings in the visual system with respect to motion detection.
Book Synopsis IEEE International Conference on Systems Engineering by :
Download or read book IEEE International Conference on Systems Engineering written by and published by . This book was released on 1991 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recent Advances in Computer Vision by : Mahmoud Hassaballah
Download or read book Recent Advances in Computer Vision written by Mahmoud Hassaballah and published by Springer. This book was released on 2018-12-14 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a collection of high-quality research by leading experts in computer vision and its applications. Each of the 16 chapters can be read independently and discusses the principles of a specific topic, reviews up-to-date techniques, presents outcomes, and highlights the challenges and future directions. As such the book explores the latest trends in fashion creative processes, facial features detection, visual odometry, transfer learning, face recognition, feature description, plankton and scene classification, video face alignment, video searching, and object segmentation. It is intended for postgraduate students, researchers, scholars and developers who are interested in computer vision and connected research disciplines, and is also suitable for senior undergraduate students who are taking advanced courses in related topics. However, it is also provides a valuable reference resource for practitioners from industry who want to keep abreast of recent developments in this dynamic, exciting and profitable research field.
Download or read book Image Understanding Workshop written by and published by . This book was released on 1994 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
