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Author : Yusuf Sinan Akgul
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (448 download)
Download or read book Spatiotemporal Analysis of Deformable Contours written by Yusuf Sinan Akgul and published by . This book was released on 2000 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yusuf Akgul
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783838312514
Total Pages : 148 pages
Book Rating : 4.3/5 (125 download)
Download or read book Spatiotemporal Analysis of Deformable Contours written by Yusuf Akgul and published by LAP Lambert Academic Publishing. This book was released on 2009-09 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is common to employ a shape model or motion model for the analysis of non-rigid motion. However, adequate amount of information about the motion type or the structure under deformation is not usually available. As a result, general assumptions have to be used for the employed model resulting in relatively inefficient and less robust systems due to inadequate constraints. This work presents a number of techniques that deal with the problems of spatiotemporal modeling of contours which assume the most general constraints in both spatial and temporal domains. The main application area of these techniques are analysis of medical images, especially ultrasound image sequences. The techniques introduced was tested by performing experiments on synthetic and challenging real world data showing their effectiveness and feasibility for practical use.
Author : Lawrence Hamilton Staib
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (72 download)
Download or read book Parametrically Deformable Contour Models for Image Analysis written by Lawrence Hamilton Staib and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David F. Watson
Publisher : Pergamon
ISBN 13 :
Total Pages : 352 pages
Book Rating : 4.3/5 (91 download)
Download or read book Contouring written by David F. Watson and published by Pergamon. This book was released on 1992 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores in detail the practice and principles of contouring using a personal computer. Contouring allows a three dimensional view in two dimensions and thus is a fundamental technique to represent spatial data. All aspects of this type of representation are covered here including data preparation, selecting contour intervals, interpolation and griding, computing volumes and output and display. A set of twelve computer programs in BASIC is included with the book (on the diskette and also listed in the appendix). A compilation of published prgrams is appended along with a glossary and references to pertinent literature. Everything you want or need to know about contouring is included between these two covers.
Author : Cédric Pradalier
Publisher : Springer
ISBN 13 : 3642194575
Total Pages : 752 pages
Book Rating : 4.6/5 (421 download)
Download or read book Robotics Research written by Cédric Pradalier and published by Springer. This book was released on 2011-04-21 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a collection of papers presented at the 14th International Symposium of Robotic Research (ISRR). ISRR is the biennial meeting of the International Foundation of Robotic Research (IFRR) and its 14th edition took place in Lucerne, Switzerland, from August 31st to September 3rd, 2009. As for the previous symposia, ISRR 2009 followed up on the successful concept of a mixture of invited contributions and open submissions. Half of the 48 presentations were therefore invited contributions from outstanding researchers selected by the IFRR officers, and half were chosen among the 66 submissions after peer review. This selection process resulted in a truly excellent technical program which, we believe, featured some of the very best of robotic research. Out of the 48 presentations, the 42 papers which were finally submitted for publication are organized in 8 sections that encompass the major research orientations in robotics: Navigation, Control & Planning, Human-Robot Interaction, Manipulation and Humanoids, Learning, Mapping, Multi-Robot Systems, and Micro-Robotics. They represent an excellent snapshot of cutting-edge research in robotics and outline future directions.
Author : Kadri Nizar Jabri
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.E/5 ( download)
Download or read book Edge Contour Tracking in Image Sequences by Analysis of Spatiotemporal Connectivity written by Kadri Nizar Jabri and published by . This book was released on 1994 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aly Farag
Publisher : Springer Science & Business Media
ISBN 13 : 0387684131
Total Pages : 563 pages
Book Rating : 4.3/5 (876 download)
Download or read book Deformable Models written by Aly Farag and published by Springer Science & Business Media. This book was released on 2007-08-21 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the complete spectrum of deformable models, its evolution as an imagery field and its use in many biomedical engineering and clinical application disciplines. It includes level sets, PDEs, curve and surface evolution and their applications in biomedical fields covering both static and motion imagery.
Author : Kok Fung Lai
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (89 download)
Download or read book Deformable Contours written by Kok Fung Lai and published by . This book was released on 1994 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anders Heyden
Publisher : Springer
ISBN 13 : 3540479678
Total Pages : 922 pages
Book Rating : 4.5/5 (44 download)
Download or read book Computer Vision - ECCV 2002 written by Anders Heyden and published by Springer. This book was released on 2003-08-02 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt: Premiering in 1990 in Antibes, France, the European Conference on Computer Vision, ECCV, has been held biennially at venues all around Europe. These conferences have been very successful, making ECCV a major event to the computer vision community. ECCV 2002 was the seventh in the series. The privilege of organizing it was shared by three universities: The IT University of Copenhagen, the University of Copenhagen, and Lund University, with the conference venue in Copenhagen. These universities lie ̈ geographically close in the vivid Oresund region, which lies partly in Denmark and partly in Sweden, with the newly built bridge (opened summer 2000) crossing the sound that formerly divided the countries. We are very happy to report that this year’s conference attracted more papers than ever before, with around 600 submissions. Still, together with the conference board, we decided to keep the tradition of holding ECCV as a single track conference. Each paper was anonymously refereed by three different reviewers. For the nal selection, for the rst time for ECCV, a system with area chairs was used. These met with the program chairsinLundfortwodaysinFebruary2002toselectwhatbecame45oralpresentations and 181 posters.Also at this meeting the selection was made without knowledge of the authors’identity.
Author : Xinming Tang
Publisher : CRC Press
ISBN 13 : 0415408156
Total Pages : 2385 pages
Book Rating : 4.4/5 (154 download)
Download or read book Advances in Spatio-Temporal Analysis written by Xinming Tang and published by CRC Press. This book was released on 2007-08-23 with total page 2385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developments in Geographic Information Technology have raised the expectations of users. A static map is no longer enough; there is now demand for a dynamic representation. Time is of great importance when operating on real world geographical phenomena, especially when these are dynamic. Researchers in the field of Temporal Geographical Information Systems (TGIS) have been developing methods of incorporating time into geographical information systems. Spatio-temporal analysis embodies spatial modelling, spatio-temporal modelling and spatial reasoning and data mining. Advances in Spatio-Temporal Analysis contributes to the field of spatio-temporal analysis, presenting innovative ideas and examples that reflect current progress and achievements.
Author : Anne Ruas
Publisher : Springer Science & Business Media
ISBN 13 : 3540685669
Total Pages : 646 pages
Book Rating : 4.5/5 (46 download)
Download or read book Headway in Spatial Data Handling written by Anne Ruas and published by Springer Science & Business Media. This book was released on 2008-08-09 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geographic information is a key element for our modern society. Put s- ply, it is information whose spatial (and often temporal) location is fun- mental to its value, and this distinguishes it from many other types of data, and analysis. For sustainable development, climate change or more simply resource sharing and economic development, this information helps to - cilitate human activities and to foresee the impact of these activities in space as well as, inversely, the impact of space on our lives. The Inter- tional Symposium on Spatial Data Handing (SDH) is a primary research forum where questions related to spatial and temporal modelling and analysis, data integration, visual representation or semantics are raised. The first symposium commenced in 1984 in Zurich and has since been organised every two years under the umbrella of the International Geographical Union Commission on Geographical Information Science (http://www. igugis. org). Over the last 28 years, the Symposium has been held in: st 1 - Zürich, 1984 nd 2 - Seattle, 1986 rd 3 - Sydney, 1988 th 4 - Zurich, 1990 th 5 - Charleston, 1992 th 6 - Edinburgh, 1994 th 7 - Delft, 1996 th 8 - Vancouver, 1998 th 9 - Beijing, 2000 th 10 - Ottawa, 2002 th 11 - Leicester, 2004 th 12 - Vienna, 2006 th This book is the proceedings of the 13 International Symposium on Spatial Data Handling.
Author :
Publisher :
ISBN 13 :
Total Pages : 698 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings written by and published by . This book was released on 1983 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 740 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1990 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peggy Agouris
Publisher : CRC Press
ISBN 13 : 0415380499
Total Pages : 246 pages
Book Rating : 4.4/5 (153 download)
Download or read book Next Generation Geospatial Information written by Peggy Agouris and published by CRC Press. This book was released on 2005-08-11 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the turn of the century our ability to collect and store geospatial information has increased considerably. This has resulted in ever-increasing amounts of heterogeneous geospatial data, an issue that poses new challenges and opportunities. As these rich sources of data are made available, users rely, now more than ever, on the geospatial data infrastructure. The availability and accessibility of such data, as well as the ability to effectively manage, model, index and query the data is becoming a cornerstone in numerous applications. Moreover, the ability to formalize and represent data is becoming key to integration and interoperability. With the introduction of distributed geospatial data infrastructure and the implementation of web-based services, the impact of such issues is becoming even more evident. Inspired by these challenges, this book on Next Generation Geospatial Information offers a collection of original contributions from leading experts in spatial information modeling, image processing and analysis, database management, ontologies and data mining. It provides a unique insight into the current state-of-the-art and future challenges in geospatial information through four thematic chapters, each of which represents a primary research theme, namely distributed spatial infrastructure, image-based geospatial information management, indexing and querying geospatial databases, and ontology and semantics for geospatial data.
Author : El-Sayed H. Ibrahim
Publisher : CRC Press
ISBN 13 : 1482263696
Total Pages : 614 pages
Book Rating : 4.4/5 (822 download)
Download or read book Heart Mechanics written by El-Sayed H. Ibrahim and published by CRC Press. This book was released on 2017-09-19 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: MRI techniques have been recently introduced for non-invasive qualification of regional myocardial mechanics, which is not achievable with other imaging modalities. Covering more than twenty-three years of developments in MRI techniques for accessing heart mechanics, this book provides a plethora of techniques and concepts that assist readers choose the best technique for their purpose. It reviews research studies and clinical trials that implemented MRI techniques for studying heart mechanics.
Author :
Publisher :
ISBN 13 :
Total Pages : 820 pages
Book Rating : 4.3/5 (91 download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2004 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Toshihiro Okada
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (232 download)
Download or read book A Study of Ventricular Motion Using a Deformable Model with an Open Contour Fourier Shape Descriptor written by Toshihiro Okada and published by . This book was released on 2007 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: We have developed a deformable model that is capable of extracting and tracking the open contour shape. This model uses a complex Fourier shape descriptor parameterization to efficiently formulate the force that constraints the contour deformation, which follows a snake-like approach. This model has the symmetry in Fourier coefficient, which requires only half number of the coefficients compared to the previous model (the deformable model with the closed contour shape descriptor). The model was first applied to track the short-axis right ventricle wall motion. We have used images acquired by cardiac magnetic resonance imaging (CMRI) due to its high signal-to-noise ratio (SNR). This model neglects the median septum boundary, and only extracts the right ventricle wall. The extracted data is compared with the manually segmented data. The error between the manually segmented contour and the contours segmented by our deformable model was found to be 1.5 pixels in 256 x 256 multi-phase-multi-slice short axis CMRI. We also employed this model to extract and track the wall motion of long-axis CMRI of left ventricle. The long-axis boundary reveals high curvature with a naturally open shape anatomy. In medical images, such a problem is quite challenging. However, our model extracted and tracked the epicardium and endcardium of the left ventricle boundary of the longaxis CMRI accurately. The average error between the manually segmented contour and automatically segmented contour is less than 2 pixels over a 256 x 256 pixel image. We have, then, used the spatio-temporal characterization of ventricular wall motion, obtained by our model, to classify Intra-ventricular dyssynchrony (IVD) in the LV (i.e. asynchronous activation of LV wall). We employ a popular statistical pattern recognition method based on Principal Component Analysis and Fisher's Linear Discriminant Analysis to develop a classifier. From a database of 55 patients, our classifier produced 89.1% correct classification performance with the long-axis LV data. This result shows the promise of improved IVD classification as contrasted with current criteria, which provided correct classification rate of just 64.7% on the same database.
