3d Imaging Technologies In Atherosclerosis

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3D Imaging Technologies in Atherosclerosis

Author : Rikin Trivedi
Publisher : Springer
ISBN 13 : 1489976183
Total Pages : 245 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis 3D Imaging Technologies in Atherosclerosis by : Rikin Trivedi

Download or read book 3D Imaging Technologies in Atherosclerosis written by Rikin Trivedi and published by Springer. This book was released on 2015-09-23 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atherosclerosis represents the leading cause of mortality and morbidity in the world. Two of the most common, severe, diseases that may occur, acute myocardial infarction and stroke, have their pathogenesis in the atherosclerosis that may affect the coronary arteries as well as the carotid/intra-cranial vessels. Therefore, in the past there was an extensive research in identifying pre-clinical atherosclerotic diseases in order to plan the correct therapeutical approach before the pathological events occur. In the last 20 years imaging techniques and in particular Computed Tomography and Magnetic Resonance had a tremendous improvement in their potential. In the field of the Computed Tomography the introduction of the multi-detector-row technology and more recently the use of dual energy and multi-spectral imaging provides an exquisite level of anatomic detail. The MR thanks to the use of strength magnetic field and extremely advanced sequences can image human vessels very quickly while offering an outstanding contrast resolution.

3D Imaging Technologies in Atherosclerosis

Author : Rikin Trivedi
Publisher :
ISBN 13 : 9781489976192
Total Pages : pages
Book Rating : 4.9/5 (761 download)

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Book Synopsis 3D Imaging Technologies in Atherosclerosis by : Rikin Trivedi

Download or read book 3D Imaging Technologies in Atherosclerosis written by Rikin Trivedi and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the latest developments in imaging of atherosclerosis. Topics covered include multi-detector-row technology and the use of dual energy and multi-spectral imaging. Magnetic Resonance (MR) imaging of carotid arteries, intra-cranial vessels, and coronary arteries are also discussed in detail. Special attention is given to Computer Tomography (CT) imaging of intra-cranial vessels, coronary arteries, and atherosclerosis in the lower limb. This is an ideal book for graduate students and researchers in the field of medical imaging, especially of atherosclerosis. This book also: ·Covers state-of-the-art imaging of atherosclerosis ·Enables the reader to understand the advantages of each modality in visualizing atherosclerosis ·Describes the advances of various technologies, including dual energy and multi-spectral imaging.

Atherosclerotic Plaque Characterization Methods Based on Coronary Imaging

Author : Lambros S Athanasiou
Publisher : Academic Press
ISBN 13 : 0128051132
Total Pages : 235 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Atherosclerotic Plaque Characterization Methods Based on Coronary Imaging by : Lambros S Athanasiou

Download or read book Atherosclerotic Plaque Characterization Methods Based on Coronary Imaging written by Lambros S Athanasiou and published by Academic Press. This book was released on 2017-05-04 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atherosclerotic Plaque Characterization Methods Based on Coronary Imaging provides a complete review of computer methods for atherosclerotic plaque reconstruction and characterization. The authors, with their expertise from biomedical engineering, computer science, and cardiology, offer a holistic view. The focus of the book is on the presentation of major imaging techniques, including their limitations. It includes details on the mechanical characterization and properties of plaques and appropriate constitutive models to describe the mechanical behavior of plaques. The authors explore the challenges of using multiple coronary imaging technologies, and provide the pros and cons of invasive vs. non-invasive techniques. Methods for plaque characterization and 3D reconstruction of coronary arteries using IVUS, OCT, and CT images are described. This book will help readers study new trends in image processing analysis and plaque characterization, implement automated plaque characterization methodologies, understand coronary imaging drawbacks, and comprehend 3 dimensional coronary artery and plaque reconstruction methods. - Describes the multimodality imaging techniques that are commonly used in the diagnosis of arterial diseases, including intravascular ultrasound, optical coherence tomography, angiography, computed tomography angiography, and magnetic resonance angiography - Discusses in-depth the computational methods which can be used for the detection of different plaque types - Explores plaque in 3D reconstruction methods and plaque modeling approaches

Multi-Modality Atherosclerosis Imaging and Diagnosis

Author : Luca Saba
Publisher : Springer Science & Business Media
ISBN 13 : 1461474256
Total Pages : 423 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Multi-Modality Atherosclerosis Imaging and Diagnosis by : Luca Saba

Download or read book Multi-Modality Atherosclerosis Imaging and Diagnosis written by Luca Saba and published by Springer Science & Business Media. This book was released on 2013-09-13 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stroke is one of the leading causes of death in the world, resulting mostly from the sudden ruptures of atherosclerosis carotid plaques. Understanding why and how plaque develops and ruptures requires a multi-disciplinary approach such as radiology, biomedical engineering, medical physics, software engineering, hardware engineering, pathological and histological imaging. Multi-Modality Atherosclerosis Imaging, Diagnosis and Treatment presents a new dimension of understanding Atherosclerosis in 2D and 3D. This book presents work on plaque stress analysis in order to provide a general framework of computational modeling with atherosclerosis plaques. New algorithms based on 3D and 4D Ultrasound are presented to assess the atherosclerotic disease as well as very recent advances in plaque multimodality image fusion analysis. The goal of Multi-Modality Atherosclerosis Imaging, Diagnosis and Treatment is to fuse information obtained from different 3D medical image modalities, such as 3D US, CT and MRI, providing the medical doctor with some sort of augmented reality information about the atherosclerotic plaque in order to improve the accuracy of the diagnosis. Analysis of the plaque dynamics along the cardiac cycle is also a valuable indicator for plaque instability assessment and therefore for risk stratification. 4D Ultrasound, a sequence of 3D reconstructions of the region of interest along the time, can be used for this dynamic analysis. Multimodality Image Fusion is a very appealing approach because it puts together the best characteristics of each modality, such as, the high temporal resolution of US and the high spatial resolutions of MRI and CT.

3D Imaging in Medicine

Author : Karl H. Höhne
Publisher : Springer Science & Business Media
ISBN 13 : 3642842119
Total Pages : 449 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis 3D Imaging in Medicine by : Karl H. Höhne

Download or read book 3D Imaging in Medicine written by Karl H. Höhne and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visualization of human anatomy for diagnostic, therapeutic, and educational pur poses has long been a challenge for scientists and artists. In vivo medical imaging could not be introduced until the discovery of X-rays by Wilhelm Conrad ROntgen in 1895. With the early medical imaging techniques which are still in use today, the three-dimensional reality of the human body can only be visualized in two-dimensional projections or cross-sections. Recently, biomedical engineering and computer science have begun to offer the potential of producing natural three-dimensional views of the human anatomy of living subjects. For a broad application of such technology, many scientific and engineering problems still have to be solved. In order to stimulate progress, the NATO Advanced Research Workshop in Travemiinde, West Germany, from June 25 to 29 was organized. It brought together approximately 50 experts in 3D-medical imaging from allover the world. Among the list of topics image acquisition was addressed first, since its quality decisively influences the quality of the 3D-images. For 3D-image generation - in distinction to 2D imaging - a decision has to be made as to which objects contained in the data set are to be visualized. Therefore special emphasis was laid on methods of object definition. For the final visualization of the segmented objects a large variety of visualization algorithms have been proposed in the past. The meeting assessed these techniques.

3D Imaging in Medicine, Second Edition

Author : Jayaram K. Udupa
Publisher : CRC Press
ISBN 13 : 9780849331794
Total Pages : 394 pages
Book Rating : 4.3/5 (317 download)

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Book Synopsis 3D Imaging in Medicine, Second Edition by : Jayaram K. Udupa

Download or read book 3D Imaging in Medicine, Second Edition written by Jayaram K. Udupa and published by CRC Press. This book was released on 1999-09-28 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to visualize, non-invasively, human internal organs in their true from and shape has intrigued mankind for centuries. While the recent inventions of medical imaging modalities such as computerized tomography and magnetic resonance imaging have revolutionized radiology, the development of three-dimensional (3D) imaging has brought us closer to the age-old quest of non-invasive visualization. The ability to not only visualize but to manipulate and analyze 3D structures from captured multidimensional image data, is vital to a number of diagnostic and therapeutic applications. 3D Imaging in Medicine, Second Edition, unique in its contents, covers both the technical aspects and the actual medical applications of the process in a single source. The value of this technology is obvious. For example, three dimensional imaging allows a radiologist to accurately target the positioning and dosage of chemotherapy as well as to make more accurate diagnoses by showing more pathology; it allows the vascular surgeon to study the flow of blood through clogged arteries; it allows the orthopedist to find all the pieces of a compound fracture; and, it allows oncologists to perform less invasive biopsies. In fact, one of the most important uses of 3D Imaging is in computer-assisted surgery. For example, in cancer surgery, computer images show the surgeon the extent of the tumor so that only the diseased tissue is removed. In short, 3D imaging provides clinicians with information that saves time and money. 3D Imaging in Medicine, Second Edition provides a ready reference on the fundamental science of 3D imaging and its medical applications. The chapters have been written by experts in the field, and the technical aspects are covered in a tutorial fashion, describing the basic principles and algorithms in an easily understandable way. The application areas covered include: surgical planning, neuro-surgery, orthopedics, prosthesis design, brain imaging, analysis of cardio-pulmonary structures, and the assessment of clinical efficacy. The book is designed to provide a quick and systematic understanding of the principles of biomedical visualization to students, scientists and researchers, and to act as a source of information to medical practitioners on a wide variety of clinical applications of 3D imaging.

Social System Accounts

Author : Karl A. Fox
Publisher : Springer Science & Business Media
ISBN 13 : 9780792380368
Total Pages : 278 pages
Book Rating : 4.3/5 (83 download)

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Book Synopsis Social System Accounts by : Karl A. Fox

Download or read book Social System Accounts written by Karl A. Fox and published by Springer Science & Business Media. This book was released on 1997-11-30 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-Invasive Imaging of Atherosclerosis is a primer, reference and review of some of the key features of current activities in the field of atherosclerosis. The Editors' goal is to provide material and stimulating ideas to basic scientists and clinical researchers in order to extend the application of vascular imaging and to further develop methods suitable for investigation of the arterial wall. The first section presents current knowledge about pathology, vascular mechanics and compensatory mechanisms active during atherogenesis. It explores the early lesion, complications of plaques and early detection of plaques. Section II reviews several key methodological issues of B-mode ultrasound imaging and some of the most current data. Quantitative B-mode ultrasound is an established non-invasive tool widely used in large epidemiologic studies and interventional clinical trials of atherosclerosis. The last section addresses the most promising areas of development in vascular imaging. This involves new techniques to evaluate the atherosclerotic bed, to follow atheroma progression/regression and to evaluate vascular mechanics in atherosclerotic arteries. The last chapter places the application of non-invasive imaging in perspective.

Imaging Coronary Atherosclerosis

Author : Stephen J. Nicholls
Publisher : Springer
ISBN 13 : 1493905724
Total Pages : 229 pages
Book Rating : 4.4/5 (939 download)

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Book Synopsis Imaging Coronary Atherosclerosis by : Stephen J. Nicholls

Download or read book Imaging Coronary Atherosclerosis written by Stephen J. Nicholls and published by Springer. This book was released on 2014-06-04 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: For over 50 years, coronary angiography has been the mainstay of diagnosing and quantifying the extent of coronary artery disease. However appreciation of the inherent limitations of conventional angiography has led to a plethora of new imaging modalities, each with their relative strengths and potential pitfalls. Advances in these techniques have given clinicians, as well as researchers, an overwhelming amount of information and the need for thoughtful interpretation. This outstanding book provides a comprehensive overview of the current status of imaging of coronary atherosclerosis. Covering the wide variety of available imaging modalities, the book provides state-of-the-art knowledge from leading authorities in each area. In their discussion, the authors include both invasive and non-invasive modalities, including the gold standard coronary angiography, the growing field of IVUS, and novel techniques such as functional imaging, molecular imaging, and the integration of biomarkers. The key concepts and practical information given in this volume will provide the reader with the necessary understanding to choosing appropriate imaging studies and building confidence in their skill set with each.

Atherosclerosis Disease Management

Author : Jasjit S. Suri
Publisher : Springer Science & Business Media
ISBN 13 : 1441972226
Total Pages : 935 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Atherosclerosis Disease Management by : Jasjit S. Suri

Download or read book Atherosclerosis Disease Management written by Jasjit S. Suri and published by Springer Science & Business Media. This book was released on 2010-11-16 with total page 935 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atherosclerosis is a degenerative process affecting blood vessels, which determines narrowing of the lumen, plaque growth, and hardening of the walls. It is a risk factor for cardiovascular diseases. The focus of this book is on the management of the atherosclerotic disease. The coverage of this book spans from histological presentation of the various stages of atherosclerotic lesions to the earliest studies in atherosclerosis therapy, from advanced clinical diagnosis to monitoring, follow-up, and home-care of the atherosclerotic patient. The book shows well-established diagnostic techniques covering several medical imaging modalities such as Ultrasounds, IVUS, MRI, Computer Tomography, along with new trends in early and advanced atherosclerosis diagnosis (innovative drugs and tissue characterization procedures). Surgical standards will be presented along with innovative experimental trials for the treatment of the atherosclerotic patient. The book will also cover emerging techniques based on molecular imaging and vibro-acoustics.

Atherosclerosis: Clinical Perspectives Through Imaging

Author : Allen J Taylor
Publisher : Springer Science & Business Media
ISBN 13 : 1447142888
Total Pages : 233 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Atherosclerosis: Clinical Perspectives Through Imaging by : Allen J Taylor

Download or read book Atherosclerosis: Clinical Perspectives Through Imaging written by Allen J Taylor and published by Springer Science & Business Media. This book was released on 2012-11-27 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atherosclerosis: Clinical Perspectives Through Imaging is aimed at practicing clinicians and relies on didactic tabular and bullet points and a host of fine imagery describing the common features of the imaging of atherosclerosis, enabling the reader to understand more about the advantages and limitations of each modality in investigating athersclosis. Edited by and contributed to by a host of international experts in cardiac imaging, this book is a must read by all who image the heart.

Coronary Magnetic Resonance Angiography

Author : Andre J. Duerinckx
Publisher : Springer Science & Business Media
ISBN 13 : 0387949593
Total Pages : 355 pages
Book Rating : 4.3/5 (879 download)

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Book Synopsis Coronary Magnetic Resonance Angiography by : Andre J. Duerinckx

Download or read book Coronary Magnetic Resonance Angiography written by Andre J. Duerinckx and published by Springer Science & Business Media. This book was released on 2002 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, there has been increasing interest in the clinical applications of coronary angiography techniques. Coronary MRA can be instrumental in the evaluation of congenital coronary artery anomalies, however, the complexity of advanced MR pulse sequences and strategies may be overwhelming to many. Coronary MR Angiography demystifies the art of coronary MRA by providing a text in plain language with clearly illustrated imaging steps and protocols. Designed to bridge the gap between radiology and cardiology, it is written for physicians and scientists planning to incorporate this technique into their research or practice.

3D Imaging in Medicine, Second Edition

Author : Jayaram K. Udupa
Publisher : CRC Press
ISBN 13 : 1351470302
Total Pages : 362 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis 3D Imaging in Medicine, Second Edition by : Jayaram K. Udupa

Download or read book 3D Imaging in Medicine, Second Edition written by Jayaram K. Udupa and published by CRC Press. This book was released on 2023-08-18 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a quick and systematic presentation of the principles of biomedical visualization and three-dimensional (3D) imaging. Topics discussed include basic principles and algorithms, surgical planning, neurosurgery, orthopedics, prosthesis design, brain imaging, cardio-pulmonary structure analysis and the assessment of clinical efficacy. Students, scientists, researchers, and radiologists will find 3D Imaging in Medicine a valuable source of information for a variety of actual and potential clinical applications for 3-D imaging.

Vascular Segmentation Algorithms for Generating 3D Atherosclerotic Measurements

Author : Eranga Ukwatta
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.:/5 (17 download)

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Book Synopsis Vascular Segmentation Algorithms for Generating 3D Atherosclerotic Measurements by : Eranga Ukwatta

Download or read book Vascular Segmentation Algorithms for Generating 3D Atherosclerotic Measurements written by Eranga Ukwatta and published by . This book was released on 2013 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atherosclerosis manifests as plaques within large arteries of the body and remains as a leading cause of mortality and morbidity in the world. Major cardiovascular events may occur in patients without known preexisting symptoms, thus it is important to monitor progression and regression of the plaque burden in the arteries for evaluating patient's response to therapy. In this dissertation, our main focus is quantification of plaque burden from the carotid and femoral arteries, which are major sites for plaque formation, and are straight forward to image noninvasively due to their superficial location. Recently, 3D measurements of plaque burden have shown to be more sensitive to the changes of plaque burden than one-/two-dimensional measurements. However, despite the advancements of 3D noninvasive imaging technology with rapid acquisition capabilities, and the high sensitivity of the 3D plaque measurements of plaque burden, they are still not widely used due to the inordinate amount of time and effort required to delineate artery walls plus plaque boundaries to obtain 3D measurements from the images. Therefore, the objective of this dissertation is developing novel semi-automated segmentation methods to alleviate measurement burden from the observer for segmentation of the outer wall and lumen boundaries from: (1) 3D carotid ultrasound (US) images, (2) 3D carotid black-blood magnetic resonance (MR) images, and (3) 3D femoral black-blood MR images. Segmentation of the carotid lumen and outer wall from 3DUS images is a challenging task due to low image contrast, for which no method has been previously reported. Initially, we developed a 2D slice-wise segmentation algorithm based on the level set method, which was then extended to 3D. The 3D algorithm required fewer user interactions than manual delineation and the 2D method. The algorithm reduced user time by H"9% (1.72 vs. 8.3 min) compared to manual segmentation for generating 3D-based measurements with high accuracy (Dice similarity coefficient (DSC)>90%). Secondly, we developed a novel 3D multi-region segmentation algorithm, which simultaneously delineates both the carotid lumen and outer wall surfaces from MR images by evolving two coupled surfaces using a convex max-flow-based technique. The algorithm required user interaction only on a single transverse slice of the 3D image for generating 3D surfaces of the lumen and outer wall. The algorithm was parallelized using graphics processing units (GPU) to increase computational speed, thus reducing user time by 93% (0.78 vs. 12 min) compared to manual segmentation. Moreover, the algorithm yielded high accuracy (DSC> 90%) and high precision (intra-observer CV

Characterization of Atherosclerotic Plaque Using Multimodal Nonlinear Optical Microscopy

Author : Ryan Shaun Lim
Publisher :
ISBN 13 : 9781124675480
Total Pages : 122 pages
Book Rating : 4.6/5 (754 download)

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Book Synopsis Characterization of Atherosclerotic Plaque Using Multimodal Nonlinear Optical Microscopy by : Ryan Shaun Lim

Download or read book Characterization of Atherosclerotic Plaque Using Multimodal Nonlinear Optical Microscopy written by Ryan Shaun Lim and published by . This book was released on 2011 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the single most important contributor to cardiovascular disease-related deaths, atherosclerosis serves as a significant topic for scientific research, particularly in terms of diagnosis and prevention. Of particular interest is the atheromatous plaque - an accumulation of harmful fatty materials embedded within the intimal layer of the arterial wall. However, due to the asymptomatic nature of atherosclerotic disease, detection and characterization of atherosclerosis at its earliest developmental stages remain difficult endeavors. Although several arterial imaging techniques have been developed to visualize and characterize various features of the disease, these methods either suffer from limitations in resolution or provide an inaccurate assessment of physiological conditions. These limitations therefore necessitate a high-resolution, label-free imaging technique for atherosclerotic disease detection. Nonlinear optical microscopy has emerged as a viable label-free means for imaging thick biological tissue, at submicron resolution and with highly specific chemical identification. Based on the nonlinear optical response of certain materials to light, nonlinear optical microscopy employs the use of long-wavelength photons in the near-infrared region of the electromagnetic spectrum to provide contrast and optical sectioning capabilities in highly scattering tissue. Recent studies have applied nonlinear microscopic techniques to the study of atherosclerosis, particularly with regards to characterizing structural features of the arterial wall and the protective plaque cap, as well as identifying cells and lipids within the plaque core. This dissertation investigates the use of three nonlinear optical processes - two-photon excited fluorescence, second harmonic generation, and coherent anti-Stokes Raman scattering - to identify and characterize structural and compositional features of the atherosclerotic plaque. In this work, a multimodal imaging platform capturing all three nonlinear signals is implemented to study cellular and structural changes in animal models of disease. Specifically, changes in the accumulation of lipids, macrophage cells, and structural collagen based on dietary conditions are analyzed in an atherosclerotic mouse model. Lipid morphology, composition, and crystal formation are also characterized. Finally, collagen structure and reorganization in an injury-based, rabbit model of disease is investigated. These findings reveal several important features of the atherosclerotic plaque and further establish nonlinear optical microscopy as a powerful tool for biological tissue imaging.

Diseases of the Chest, Breast, Heart and Vessels 2019-2022

Author : Juerg Hodler
Publisher : Springer
ISBN 13 : 3030111490
Total Pages : 238 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Diseases of the Chest, Breast, Heart and Vessels 2019-2022 by : Juerg Hodler

Download or read book Diseases of the Chest, Breast, Heart and Vessels 2019-2022 written by Juerg Hodler and published by Springer. This book was released on 2019-02-19 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book focuses on diagnostic and interventional imaging of the chest, breast, heart, and vessels. It consists of a remarkable collection of contributions authored by internationally respected experts, featuring the most recent diagnostic developments and technological advances with a highly didactical approach. The chapters are disease-oriented and cover all the relevant imaging modalities, including standard radiography, CT, nuclear medicine with PET, ultrasound and magnetic resonance imaging, as well as imaging-guided interventions. As such, it presents a comprehensive review of current knowledge on imaging of the heart and chest, as well as thoracic interventions and a selection of "hot topics". The book is intended for radiologists, however, it is also of interest to clinicians in oncology, cardiology, and pulmonology.

3D Imaging Technologies—Multi-dimensional Signal Processing and Deep Learning

Author : Lakhmi C. Jain
Publisher : Springer
ISBN 13 : 9789811633935
Total Pages : 0 pages
Book Rating : 4.6/5 (339 download)

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Book Synopsis 3D Imaging Technologies—Multi-dimensional Signal Processing and Deep Learning by : Lakhmi C. Jain

Download or read book 3D Imaging Technologies—Multi-dimensional Signal Processing and Deep Learning written by Lakhmi C. Jain and published by Springer. This book was released on 2022-10-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents high-quality research in the field of 3D imaging technology. The second edition of International Conference on 3D Imaging Technology (3DDIT-MSP&DL) continues the good traditions already established by the first 3DIT conference (IC3DIT2019) to provide a wide scientific forum for researchers, academia and practitioners to exchange newest ideas and recent achievements in all aspects of image processing and analysis, together with their contemporary applications. The conference proceedings are published in 2 volumes. The main topics of the papers comprise famous trends as: 3D image representation, 3D image technology, 3D images and graphics, and computing and 3D information technology. In these proceedings, special attention is paid at the 3D tensor image representation, the 3D content generation technologies, big data analysis, and also deep learning, artificial intelligence, the 3D image analysis and video understanding, the 3D virtual and augmented reality, and many related areas. The first volume contains papers in 3D image processing, transforms and technologies. The second volume is about computing and information technologies, computer images and graphics and related applications. The two volumes of the book cover a wide area of the aspects of the contemporary multidimensional imaging and the related future trends from data acquisition to real-world applications based on various techniques and theoretical approaches.

Improvements on Vascular Magnetic Resonance Imaging

Author : Yibin Xie
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (925 download)

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Book Synopsis Improvements on Vascular Magnetic Resonance Imaging by : Yibin Xie

Download or read book Improvements on Vascular Magnetic Resonance Imaging written by Yibin Xie and published by . This book was released on 2015 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cardiovascular diseases are the leading cause of death globally and atherosclerosis is the primary underlying condition. Magnetic resonance imaging (MRI) is a promising diagnostic tool for evaluating atherosclerosis because of its excellent tissue contrast non-invasiveness. However many vascular MRI techniques have not been utilized clinically due to practical issues related to imaging speed, workflow, contrast media, and image quality. The primary focus of the work in this dissertation is to address some of these limitations and improve the capability of vascular MRI to accurately detect and characterize atherosclerotic lesions. Specifically, there are four areas of improvements of vascular MRI: First, an online respiratory self-gating method (ADIOS) was developed for noncontrast magnetic resonance angiography of renal arteries. Some drawbacks of the conventional navigator gating method, including complicated planning and saturation artifacts were eliminated. Testing on healthy subjects confirmed that the proposed method was able to provide high-quality visualization of renal arteries with no navigator-induced artifacts, simplified setup, and shorter scan time. Second, a diffusion-prepared turbo-spin-echo technique (DP-TSE) was developed to enable 3D high resolution diffusion weighted imaging for carotid plaque characterization without the need of contrast agent. The proposed method showed significantly higher vessel wall visibility, less distortion, and less partial volume effect. Apparent diffusion coefficient demonstrated the potential to differentiate lipid core from fibrous plaque tissue. Third, a black-blood imaging technique (DANTE-SPACE) was developed to improve flow signal suppression in vessel wall imaging. A combined carotid and intracranial arterial wall imaging protocol was designed and tested. DANTE-SPACE demonstrated significantly improved arterial and venous blood suppression compared with conventional methods. Preliminary clinical study showed that the proposed method had the potential to detect vessel wall dissection and accurately differentiate plaque components. Fourth, an imaging method for coronary plaque characterization was developed to allow simultaneous dark-blood T1-weighted imaging and bright-blood imaging. An image-based affine motion correction algorithm was designed to allow 100% respiratory gating efficiency. Results from healthy subjects demonstrated the feasibility of whole-heart coronary plaque imaging with isotropic high resolution. Preliminary results from patients with coronary artery disease showed the potential of this technique to detect intra-plaque hemorrhage and inflammation in the coronary wall.