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Active Detection Of Deformable Contours Using B Snake Model For Mri
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Book Synopsis Active Detection of Deformable Contours Using B-Snake Model for MRI by : Kaouther El Kourd
Download or read book Active Detection of Deformable Contours Using B-Snake Model for MRI written by Kaouther El Kourd and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Detection of the boundary of an object in medical images, then the segmentation from the background class, is a major challenge in medical image processing. Active Contour Model, or Snake, which is a deformable model for approaching object boundaries, it is a curve defined within an image domain which can move under the influence of internal forces from the curve itself and external forces from the image data; That's mean using different energy function B-Snake (GVF(s)) is able not only to grow through long and thin concavities but also it does not miss the correct boundaries.
Book Synopsis Deformable Contours by : Kok Fung Lai
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:
Download or read book Deformable Models written by Aly Farag and published by Springer Science & Business Media. This book was released on 2007-08-10 with total page 592 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. The book focuses on the core image processing techniques, theory and biomaterials useful to research and industry. Contributors are all pioneers in the field.
Book Synopsis Functional Imaging and Modeling of the Heart by : Frank B. Sachse
Download or read book Functional Imaging and Modeling of the Heart written by Frank B. Sachse and published by Springer. This book was released on 2007-07-10 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 4th International Conference on Functional Imaging and Modeling of the Heart, FIMH 2007, held in Salt Lake City, UT, USA in June 2007. The contributions describe both experimental and computational studies and cover topics such as imaging and image analysis, cardiac electrophysiology, electro- and magnetocardiography, cardiac mechanics and clinical application, imaging and anatomical modeling.
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.
Book Synopsis Variational and Level Set Methods in Image Segmentation by : Amar Mitiche
Download or read book Variational and Level Set Methods in Image Segmentation written by Amar Mitiche and published by Springer Science & Business Media. This book was released on 2010-10-22 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Image segmentation consists of dividing an image domain into disjoint regions according to a characterization of the image within or in-between the regions. Therefore, segmenting an image is to divide its domain into relevant components. The efficient solution of the key problems in image segmentation promises to enable a rich array of useful applications. The current major application areas include robotics, medical image analysis, remote sensing, scene understanding, and image database retrieval. The subject of this book is image segmentation by variational methods with a focus on formulations which use closed regular plane curves to define the segmentation regions and on a level set implementation of the corresponding active curve evolution algorithms. Each method is developed from an objective functional which embeds constraints on both the image domain partition of the segmentation and the image data within or in-between the partition regions. The necessary conditions to optimize the objective functional are then derived and solved numerically. The book covers, within the active curve and level set formalism, the basic two-region segmentation methods, multiregion extensions, region merging, image modeling, and motion based segmentation. To treat various important classes of images, modeling investigates several parametric distributions such as the Gaussian, Gamma, Weibull, and Wishart. It also investigates non-parametric models. In motion segmentation, both optical flow and the movement of real three-dimensional objects are studied.
Book Synopsis Biomedical Image Analysis by : Scott Acton
Download or read book Biomedical Image Analysis written by Scott Acton and published by Morgan & Claypool Publishers. This book was released on 2009-03-08 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sequel to the popular lecture book entitled Biomedical Image Analysis: Tracking, this book on Biomedical Image Analysis: Segmentation tackles the challenging task of segmenting biological and medical images. The problem of partitioning multidimensional biomedical data into meaningful regions is perhaps the main roadblock in the automation of biomedical image analysis. Whether the modality of choice is MRI, PET, ultrasound, SPECT, CT, or one of a myriad of microscopy platforms, image segmentation is a vital step in analyzing the constituent biological or medical targets. This book provides a state-of-the-art, comprehensive look at biomedical image segmentation that is accessible to well-equipped undergraduates, graduate students, and research professionals in the biology, biomedical, medical, and engineering fields. Active model methods that have emerged in the last few years are a focus of the book, including parametric active contour and active surface models, active shape models, and geometric active contours that adapt to the image topology. Additionally, Biomedical Image Analysis: Segmentation details attractive new methods that use graph theory in segmentation of biomedical imagery. Finally, the use of exciting new scale space tools in biomedical image analysis is reported. Table of Contents: Introduction / Parametric Active Contours / Active Contours in a Bayesian Framework / Geometric Active Contours / Segmentation with Graph Algorithms / Scale-Space Image Filtering for Segmentation
Book Synopsis A Study of Parametric Active Contours for the Application of Mr Axial Abdominal Images by : Suresh Kumar Uppu
Download or read book A Study of Parametric Active Contours for the Application of Mr Axial Abdominal Images written by Suresh Kumar Uppu and published by . This book was released on 2006 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, we have implemented the Parametric Active contours or Snakes, a special case of multidimensional deformable model, with supplementary modifications, for the segmentation of a fat region (Subcutaneous Adipose Tissue) from Magnetic Resonance Axial Abdominal images of human subjects. This semi-automatic 2D image segmentation is achieved by adding an external constraint forces known as balloons or pressure forces followed by resampling the contour points after every iteration. The snake evolves to the desired solution by minimizing the energy functional of the contour or by driving the internal and external force of the snake to equilibrium. We have implemented the segmentation technique by using Interactive Data Language (IDL) software provided by Research Systems, Inc. The validity of the parametric coefficients characteristics has been analyzed and verified. The parametric active contour implementation was successfully tested on synthetic and real medical resonance axial abdominal images. The segmented boundaries were reasonably favorable and were close to the desired boundaries.
Book Synopsis Geometric Modeling for Scientific Visualization by : Guido Brunnett
Download or read book Geometric Modeling for Scientific Visualization written by Guido Brunnett and published by Springer Science & Business Media. This book was released on 2003-11-17 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geometric Modeling and Scientific Visualization are both established disciplines, each with their own series of workshops, conferences and journals. But clearly both disciplines overlap; this observation led to the idea of composing a book on Geometric Modeling for Scientific Visualization.
Book Synopsis Biomedical Image Segmentation by : Ayman El-Baz
Download or read book Biomedical Image Segmentation written by Ayman El-Baz and published by CRC Press. This book was released on 2016-11-17 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: As one of the most important tasks in biomedical imaging, image segmentation provides the foundation for quantitative reasoning and diagnostic techniques. A large variety of different imaging techniques, each with its own physical principle and characteristics (e.g., noise modeling), often requires modality-specific algorithmic treatment. In recent years, substantial progress has been made to biomedical image segmentation. Biomedical image segmentation is characterized by several specific factors. This book presents an overview of the advanced segmentation algorithms and their applications.
Book Synopsis Multi Modality State-of-the-Art Medical Image Segmentation and Registration Methodologies by : Ayman S. El-Baz
Download or read book Multi Modality State-of-the-Art Medical Image Segmentation and Registration Methodologies written by Ayman S. El-Baz and published by Springer Science & Business Media. This book was released on 2011-04-11 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advances in image guided surgery for cancer treatment, the role of image segmentation and registration has become very critical. The central engine of any image guided surgery product is its ability to quantify the organ or segment the organ whether it is a magnetic resonance imaging (MRI) and computed tomography (CT), X-ray, PET, SPECT, Ultrasound, and Molecular imaging modality. Sophisticated segmentation algorithms can help the physicians delineate better the anatomical structures present in the input images, enhance the accuracy of medical diagnosis and facilitate the best treatment planning system designs. The focus of this book in towards the state of the art techniques in the area of image segmentation and registration.
Book Synopsis Shape Analysis in Medical Image Analysis by : Shuo Li
Download or read book Shape Analysis in Medical Image Analysis written by Shuo Li and published by Springer Science & Business Media. This book was released on 2014-01-28 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains thirteen contributions from invited experts of international recognition addressing important issues in shape analysis in medical image analysis, including techniques for image segmentation, registration, modelling and classification and applications in biology, as well as in cardiac, brain, spine, chest, lung and clinical practice. This volume treats topics such as for example, anatomic and functional shape representation and matching; shape-based medical image segmentation; shape registration; statistical shape analysis; shape deformation; shape-based abnormity detection; shape tracking and longitudinal shape analysis; machine learning for shape modeling and analysis; shape-based computer-aided-diagnosis; shape-based medical navigation; benchmark and validation of shape representation, analysis and modeling algorithms. This work will be of interest to researchers, students and manufacturers in the fields of artificial intelligence, bioengineering, biomechanics, computational mechanics, computational vision, computer sciences, human motion, mathematics, medical imaging, medicine, pattern recognition and physics.
Book Synopsis Proceedings of the National Seminar on Applied Systems Engineering and Soft Computing by :
Download or read book Proceedings of the National Seminar on Applied Systems Engineering and Soft Computing written by and published by Allied Publishers. This book was released on 2000 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active Contour Based Segmentation in Medical Imaging by : Chunming Li
Download or read book Active Contour Based Segmentation in Medical Imaging written by Chunming Li and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Active contours have been extensively used in image processing and computer vision. The existing active contour models can be broadly classified as either parametric active contour or snake models or geometric active contour. In this research, we investigate some fundamental and important issues in these two types of active contours and apply our methods to different modalities of images, with emphasis on medical images. For parametric active contours, we propose an improved gradient vector flow (GVF) as the external force, which has a desirable edge-preserving property. We call this vector field edge preserving gradient vector flow (EPGVF). In snake models, automatic initialization and topological changes are difficult problems. We solve these problems by segmentation of external force field. The segmented force field is then used for automatic initialization and splitting of snakes. To segment the external force field, we represent it with a graph, and a graph-theory approach can be taken to determine the membership of each pixel. In traditional geometric active contour models, the level set function has to be periodically re-initialized during the evolution, in order to maintain stable evolution and usable results. The re-initialization procedure has serious problems, such as when and how to re-initialize, and there is no answer that generally applies to date. Moreover, the re-initialization is computationally expensive and can cause errors in computation. We present a new level set method that completely eliminates the need of re-initialization. Our level set evolution is derived from an energy functional minimization problem. The energy functional consists of an internal energy term that penalizes the deviation of the level set function from a signed distance function, and an external energy term that drives the motion of the zero level set. Compared with traditional level set methods, our method has several advantages, such as faster convergence, more accurate computation, and more efficient and flexible initialization. Moreover, our level set formulation can be easily implemented with an efficient and stable narrow band level set evolution algorithm. Our level set method can be extended to 3D and higher dimension.
Book Synopsis Information, Photonics and Communication by : Jyotsna Kumar Mandal
Download or read book Information, Photonics and Communication written by Jyotsna Kumar Mandal and published by Springer Nature. This book was released on 2019-10-15 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book includes high-quality papers presented at the Second National Conference of Information, Photonics and Communication (2019), organized by the Department of Electronics & Communication Engineering, B.P. Poddar Institute of Management & Technology from 01 to 03 February 2019. Covering multiple domains in four broad categories—photonics; devices and VLSI; communication systems and networks; signal processing and intelligent systems, it includes topics such as RF and microwave communications, wireless and mobile communication, satellite communications, signal, image and video processing, deep learning and optical networks.
Book Synopsis 5th Kuala Lumpur International Conference on Biomedical Engineering 2011 by : Hua-Nong Ting
Download or read book 5th Kuala Lumpur International Conference on Biomedical Engineering 2011 written by Hua-Nong Ting and published by Springer Science & Business Media. This book was released on 2011-06-17 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Biomed 2011 brought together academicians and practitioners in engineering and medicine in this ever progressing field. This volume presents the proceedings of this international conference which was hold in conjunction with the 8th Asian Pacific Conference on Medical and Biological Engineering (APCMBE 2011) on the 20th to the 23rd of June 2011 at Berjaya Times Square Hotel, Kuala Lumpur. The topics covered in the conference proceedings include: Artificial organs, bioengineering education, bionanotechnology, biosignal processing, bioinformatics, biomaterials, biomechanics, biomedical imaging, biomedical instrumentation, BioMEMS, clinical engineering, prosthetics.
Book Synopsis Handbook of Biomedical Image Analysis by : David Wilson
Download or read book Handbook of Biomedical Image Analysis written by David Wilson and published by Springer Science & Business Media. This book was released on 2007-04-23 with total page 831 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stereo and temporal eye registration by mutual information maximization -- Quantification of brain aneurysm dimensions from CTA for surgical planning of coiling interventions -- Inverse consistent image registration -- A computer-aided design system for segmentation of volumetric images -- Inter-subject non-rigid registration: an overview with classification and the Romeo algorithm -- Elastic registration for biomedical applications -- Quo vadis, atlas-based segmentation -- Elastic registration for biomedical applications --
