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Reconstruction 3d Par Tomosynthese Generalisee
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Book Synopsis Reconstruction 3D par tomosynthèse généralisée by : Pierre Bleuet
Download or read book Reconstruction 3D par tomosynthèse généralisée written by Pierre Bleuet and published by . This book was released on 2002 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail concerne la reconstruction en tomosynthèse numérique médicale. Cette technique permet, à partir d'un faible nombre de projections (typiquement une vingtaine) acquises sur un détecteur numérique plan, d'obtenir des informations tridimensionnelles sur la structure de l'objet étudié. L'avantage majeur de cette technique est la possibilité d'obtenir ces informations à partir d'une table de radiologie standard équipée d'un capteur numérique et de fonctions de translation/rotation, pour une dose de rayonnement équivalente à celle d'une radiographie classique. Par ailleurs, on accède en tomosynthèse à différents plans de profondeur parallèles au détecteur (des plans frontaux), ce qui diffère de la tomographie classique à partir de peu de points de vue où l'on cherche plutôt à reconstruire un plan transverse. Un problème important en tomosynthèse est le manque important de données, et plus particulièrement l'angle limité de prises de vues qui restreint considérablement la résolution spatiale verticale dans les reconstructions. D'un point de vue mathématique, ce problème de reconstruction est un problème inverse mal posé au sens où le débattement angulaire est limité, le nombre de projections réduit, ces projections étant potentiellement bruitées. Pour inverser ce problème, nous avons opté pour les méthodes algébriques et plus particulièrement les algorithmes ART (Algebraic Reconstruction Technique). Ce type de méthode permet d'améliorer la résolution par rapport à l'approche classique de reconstruction en tomosynthèse (une simple rétroprojection) mais ne traite pas le problème du bruit. Afin de stabiliser l'inversion du problème, nous adoptons un algorithme de minimisation semi-quadratique existant, dans le contexte de la tomosynthèse. Afin de limiter les temps de calcul propres à la reconstruction algébrique, nous avons développé un schéma de reconstruction et de régularisation original permettant de décomposer le volume d'intérêt en une série de plans indépendants dans le cas particulier de la tomosynthèse linéaire. Nous proposons par ailleurs des traitements visant à réduire les artefacts de troncature des projections liés à l'angle de projection où les artefacts métalliques dus à la présence éventuelle de prothèses chirurgicales dans le corps humain. Afin de tester et valider nos approches, nous avons également développé un banc de test nous procurant une certaine souplesse dans la géométrie d'acquisition. Nous montrons qu'il est possible de reconstruire des coupes grand champ pour l'imagerie thoracique avec une résolution verticale de l'ordre du centimètre et une résolution dans le plan égale à celle du détecteur (100 micronmètres au maximum). Pour d'autres applications osseuses telles que la radiographie de la cheville ou le vissage pédiculaire, les résultats sont très satisfaisants en terme de qualité image et d'artefacts de reconstruction.
Book Synopsis Machine Learning for Medical Image Reconstruction by : Florian Knoll
Download or read book Machine Learning for Medical Image Reconstruction written by Florian Knoll and published by Springer Nature. This book was released on 2019-10-24 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the Second International Workshop on Machine Learning for Medical Reconstruction, MLMIR 2019, held in conjunction with MICCAI 2019, in Shenzhen, China, in October 2019. The 24 full papers presented were carefully reviewed and selected from 32 submissions. The papers are organized in the following topical sections: deep learning for magnetic resonance imaging; deep learning for computed tomography; and deep learning for general image reconstruction.
Book Synopsis Medical Imaging and Radiotherapy Research: Skills and Strategies by : Aarthi Ramlaul
Download or read book Medical Imaging and Radiotherapy Research: Skills and Strategies written by Aarthi Ramlaul and published by Springer Nature. This book was released on 2020-03-23 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: This exciting new book equips radiography students and practitioners with the key skills and strategies required to undertake research within medical imaging and radiotherapy and to disseminate the research findings effectively. Quantitative and qualitative research methods are covered, with guidance provided on the entire research process, from literature researching, information management and literature evaluation through to data collection, data analysis, and writing up. Attention is drawn to sampling errors and other potential sources of bias, and the conduct of randomized controlled trials, systematic reviews, and meta-analyses are clearly explained. Specific instruction is given on the structure and presentation of dissertations, writing journal articles for publication, and the dissemination of research findings at conferences. Information on patient and public involvement in research and research funding bodies are also provided with advice on how to maximize the likelihood of success when submitting applications for funding.
Book Synopsis Artificial Intelligence and Machine Learning for Digital Pathology by : Andreas Holzinger
Download or read book Artificial Intelligence and Machine Learning for Digital Pathology written by Andreas Holzinger and published by Springer Nature. This book was released on 2020-06-24 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data driven Artificial Intelligence (AI) and Machine Learning (ML) in digital pathology, radiology, and dermatology is very promising. In specific cases, for example, Deep Learning (DL), even exceeding human performance. However, in the context of medicine it is important for a human expert to verify the outcome. Consequently, there is a need for transparency and re-traceability of state-of-the-art solutions to make them usable for ethical responsible medical decision support. Moreover, big data is required for training, covering a wide spectrum of a variety of human diseases in different organ systems. These data sets must meet top-quality and regulatory criteria and must be well annotated for ML at patient-, sample-, and image-level. Here biobanks play a central and future role in providing large collections of high-quality, well-annotated samples and data. The main challenges are finding biobanks containing ‘‘fit-for-purpose’’ samples, providing quality related meta-data, gaining access to standardized medical data and annotations, and mass scanning of whole slides including efficient data management solutions.
Book Synopsis Information Systems Design and Intelligent Applications by : Suresh Chandra Satapathy
Download or read book Information Systems Design and Intelligent Applications written by Suresh Chandra Satapathy and published by Springer. This book was released on 2019-01-04 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book gathers a collection of high-quality peer-reviewed research papers presented at the International Conference on Information System Design and Intelligent Applications (INDIA 2018), which was held at the Universite des Mascareignes, Mauritius from July 19 to 21, 2018. It covers a wide range of topics in computer science and information technology, from image processing, database applications and data mining, to grid and cloud computing, bioinformatics and many more. The intelligent tools discussed, e.g. swarm intelligence, artificial intelligence, evolutionary algorithms, and bio-inspired algorithms, are currently being applied to solve challenging problems in various domains.
Book Synopsis Digital Mammography by : Ulrich Bick
Download or read book Digital Mammography written by Ulrich Bick and published by Springer Science & Business Media. This book was released on 2010-03-11 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital Radiography has been ? rmly established in diagnostic radiology during the last decade. Because of the special requirements of high contrast and spatial resolution needed for roentgen mammography, it took some more time to develop digital m- mography as a routine radiological tool. Recent technological progress in detector and screen design as well as increased ex- rience with computer applications for image processing have now enabled Digital Mammography to become a mature modality that opens new perspectives for the diag- sis of breast diseases. The editors of this timely new volume Prof. Dr. U. Bick and Dr. F. Diekmann, both well-known international leaders in breast imaging, have for many years been very active in the frontiers of theoretical and translational clinical research, needed to bring digital mammography ? nally into the sphere of daily clinical radiology. I am very much indebted to the editors as well as to the other internationally rec- nized experts in the ? eld for their outstanding state of the art contributions to this v- ume. It is indeed an excellent handbook that covers in depth all aspects of Digital Mammography and thus further enriches our book series Medical Radiology. The highly informative text as well as the numerous well-chosen superb illustrations will enable certi? ed radiologists as well as radiologists in training to deepen their knowledge in modern breast imaging.
Download or read book Bio-Objects written by Niki Vermeulen and published by Routledge. This book was released on 2016-04-15 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing knowledge of the biological is fundamentally transforming what life itself means and where its boundaries lie. New developments in the biosciences - especially through the molecularisation of life - are (re)shaping healthcare and other aspects of our society. This cutting edge volume studies contemporary bio-objects, or the categories, materialities and processes that are central to the configuring of 'life' today, as they emerge, stabilize and circulate through society. Examining a variety of bio-objects in contexts beyond the laboratory, Bio-Objects: Life in the 21st Century explores new ways of thinking about how novel bio-objects enter contemporary life, analysing the manner in which, among others, the boundaries between human and animal, organic and non-organic, and being 'alive' and the suspension of living, are questioned, destabilised and in some cases re-established. Thematically organised around questions of changing boundaries; the governance and regulation of bio-objects; and changing social, economic and political relations, this book presents rich new case studies from Europe that will be of interest to scholars of science and technology studies, social theory, sociology and law.
Book Synopsis Proceedings of the International Conference on Artificial Intelligence and Computer Vision (AICV2020) by : Aboul-Ella Hassanien
Download or read book Proceedings of the International Conference on Artificial Intelligence and Computer Vision (AICV2020) written by Aboul-Ella Hassanien and published by Springer Nature. This book was released on 2020-03-23 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the 1st International Conference on Artificial Intelligence and Computer Visions (AICV 2020), which took place in Cairo, Egypt, from April 8 to 10, 2020. This international conference, which highlighted essential research and developments in the fields of artificial intelligence and computer visions, was organized by the Scientific Research Group in Egypt (SRGE). The book is divided into sections, covering the following topics: swarm-based optimization mining and data analysis, deep learning and applications, machine learning and applications, image processing and computer vision, intelligent systems and applications, and intelligent networks.
Book Synopsis Oncologic Imaging by : David G. Bragg
Download or read book Oncologic Imaging written by David G. Bragg and published by Saunders. This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely updated to reflect the latest developments in science and technology, the second edition of this reference presents the diagnostic imaging tools essential to the detection, diagnosis, staging, treatment planning, and post-treatment management of cancer in both adults and children. Organized by major organs and body systems, the text offers comprehensive, abundantly illustrated guidance to enable both the radiologist and clinical oncologist to better appreciate and overcome the challenges of tumor imaging. Features 12 brand-new chapters that examine new imaging techniques, molecular imaging, minimally invasive approaches, 3D and conformal treatment planning, interventional techniques in radiation oncology, interventional breast techniques, and more. Emphasizes practical interactions between oncologists and radiologists. Includes expanded coverage of paediatric tumours as well as thorax, gastrointestinal tract, genitourinary, and musculoskeletal cancers. Offers reorganized and increased content on the brain and spinal cord. Nearly 1,400 illustrations enable both the radiologist and clinical oncologist to better appreciate and overcome the challenges of tumour imaging. - Outstanding Features! Presents internationally renowned authors' insights on recent technological breakthroughs in imaging for each anatomical region, and offers their views on future advances in the field. Discusses the latest advances in treatment planning. Devotes four chapters to the critical role of imaging in radiation treatment planning and delivery. Makes reference easy with a body-system organisation.
Book Synopsis The History of Radiology by : Adrian M. K. Thomas
Download or read book The History of Radiology written by Adrian M. K. Thomas and published by OUP Oxford. This book was released on 2013-05-09 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1890, Professor Arthur Willis Goodspeed, a professor of physics at Pennsylvania USA was working with an English born photographer, William N Jennings, when they accidentally produced a Röntgen Ray picture. Unfortunately, the significance of their findings were overlooked, and the formal discovery of X-rays was credited to Wilhelm Roentgen in 1895. The discovery has since transformed the practice of medicine, and over the course of the past 130 years, the development of new radiological techniques has continued to grow. The impact has been seen in virtually every hospital in the world, from the routine use of ultrasound for pregnancy scans, through to the diagnosis of complex medical issues such as brain tumours. More subtly, X-rays were also used in the discovery of DNA and in military combat, and their social influence through popular culture can be seen in cartoons, books, movies and art. Written by two radiologists who have a passion for the history of their field, The History of Radiology is a beautifully illustrated review of the remarkable developments within radiology and the scientists and pioneers who were involved. This engaging and authoritative history will appeal to a wide audience including medical students studying for the Diploma in the History of Medicine of the Society of Apothecaries (DHMSA), doctors, medical physicists, medical historians and radiographers.
Download or read book Rehearsing the Future written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Image Processing by : G. J. Awcock
Download or read book Applied Image Processing written by G. J. Awcock and published by Palgrave. This book was released on 1995 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written from an engineering perspective, the book incorporates a theoretical introduction to the underlying disciplines, via its treatment of a generic machine vision system model
Book Synopsis Biomedical Image Reconstruction by : Michael T. McCann
Download or read book Biomedical Image Reconstruction written by Michael T. McCann and published by . This book was released on 2019 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is written in a tutorial style that concisely introduces students, researchers and practitioners to the development and design of effective biomedical image reconstruction algorithms.
Book Synopsis From Photon to Pixel by : Henri Maître
Download or read book From Photon to Pixel written by Henri Maître and published by John Wiley & Sons. This book was released on 2015-10-26 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: The digital camera conceals remarkable technological innovations that affect the formation of the image, the color representation or automated measurements and settings. ** From photon to pixel photon ** describes the device both from the point of view of the physics of the phenomena involved, as technical components and software it uses. Based on the perceptual properties of the visual system as well as on standard transmission and representation, analyzes the solutions to meet the demands of the photographer on the development, contrast, white balance or stabilization of image. The advanced architectures adopted in mobile phones and developments of computational photography are also presented, foreshadowing the features of the future device.
Book Synopsis Practical Radiation Oncology by : Supriya Mallick
Download or read book Practical Radiation Oncology written by Supriya Mallick and published by Springer Nature. This book was released on 2019-11-25 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the most relevant aspects of radiation oncology in terms of technical integrity, dose parameters, machine and software specifications, as well as regulatory requirements. Radiation oncology is a unique field that combines physics and biology. As a result, it has not only a clinical aspect, but also a physics aspect and biology aspect, all three of which are inter-related and critical to optimal radiation treatment planning. In addition, radiation oncology involves a host of machines/software. One needs to have a firm command of these machines and their specifications to deliver comprehensive treatment. However, this information is not readily available, which poses serious challenges for students learning the planning aspect of radiation therapy. In response, this book compiles these relevant aspects in a single source. Radiation oncology is a dynamic field, and is continuously evolving. However, tracking down the latest findings is both difficult and time-consuming. Consequently, the book also comprehensively covers the most important trials. Offering an essential ready reference work, it represents a value asset for all radiation oncology practitioners, trainees and students.
Book Synopsis Medical Computer Vision by : Bjoern Menze
Download or read book Medical Computer Vision written by Bjoern Menze and published by Springer. This book was released on 2011-02-02 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed post-workshop proceedings of the International Workshop on Medical Computer Vision, MCV 2010, held in Beijing, China, in September 2010 as a satellite event of the 13th International Conference on Medical Image Computing and Computer Assisted Intervention, MICCAI 2010. The 10 revised full papers and 11 revised poster papers presented were carefully reviewed and selected from 38 initial submissions. The papers explore the use of modern image recognition technology in tasks such as semantic anatomy parsing, automatic segmentation and quantification, anomaly detection and categorization, data harvesting, semantic navigation and visualization, data organization and clustering, and general-purpose automatic understanding of medical images.
Book Synopsis Imaging of Foreign Bodies by : Antonio Pinto
Download or read book Imaging of Foreign Bodies written by Antonio Pinto and published by Springer Science & Business Media. This book was released on 2013-10-30 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most ingested foreign bodies pass through the gastrointestinal tract without a problem. However, both ingested and inserted foreign bodies may cause bowel obstruction or perforation or lead to severe hemorrhage, abscess formation, or septicemia. Foreign body aspiration is common in children, especially those under 3 years of age, and in these cases chest radiography and CT are the main imaging modalities. This textbook provides a thorough overview of the critical role of diagnostic imaging in the assessment of patients with suspected foreign body ingestion, aspiration, or insertion. A wide range of scenarios are covered, from the common problem of foreign body ingestion or aspiration in children and mentally handicapped adults through to drug smuggling by body packing and gunshot wounds. Guidance is offered on diagnostic protocols, and the value of different imaging modalities in different situations is explained. Helpful management tips are also provided. This textbook will prove invaluable for residents in radiology, radiologists, and physicians who are involved on a daily basis, within an emergency department, in the management of patients with suspected ingestion, aspiration, or insertion of foreign bodies.
