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Investigation Of Adaptive Radiation Therapy Including Deformable Image Registration Treatment Planning Modification Strategies Machine Learning Deep Learning
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Book Synopsis Investigation of Adaptive Radiation Therapy Including Deformable Image Registration, Treatment Planning Modification Strategies, Machine Learning & Deep Learning by : Pawel Siciarz
Download or read book Investigation of Adaptive Radiation Therapy Including Deformable Image Registration, Treatment Planning Modification Strategies, Machine Learning & Deep Learning written by Pawel Siciarz and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this research was to propose and evaluate solutions to four important aspects of adaptive radiation therapy in order to make it more reliable, accurate, and efficient in clinical environment. The first study focused on the evaluation of several deformable image registration algorithms. Results demonstrated that the Dense Anatomical Block Matching registration outperformed the other methods making it a very promising alternative to the existing registration methods for challenging CT-to-CBCT registration and its applications for radiation dose calculation, dose mapping and contour propagation in adaptive radiation therapy (ART) of the pelvic region. The second study focused on the quantitative evaluation of eight proposed adaptive radiation therapy approaches for prostate cancer patients treated with hypofractionated VMAT. The ART strategies included online and offline methods. The comprehensive analysis showed that daily on-line adaptation approaches were the most impactful. The findings of this study provided applicable insights into the selection of the optimal ART strategy, improving the quality of the decision-making process based on the quantitatively evaluated dosimetric benefits. The third study aimed to utilize a deep learning network to automatically contour critical organs on the computed tomography (CT) scans of head and neck cancer patients. Proposed model achieved expert level accuracy and was able to segment 25 critical organs on unseen CT images in approximately 7 seconds per patient. High accuracy and short contouring time allow for the implementation of the model within a clinical ART workflow, which would lead to a significant decrease in the time required to create a new adapted treatment plan. The objective of the fourth study was to use artificial intelligence methods to build a decision making support system that would classify previously delivered plans of brain tumor patients into those that met treatment planning objectives and those for which objectives were not met due to the priority given to one or more organs-at-risk. Among evaluated machine learning algorithms, the Logistic Regression model achieved the highest accuracy and can be used by radiation oncologists to support their decision-making process in terms of treatment plan adaptations and plan approvals in a data-driven quality assurance program.
Book Synopsis Machine and Deep Learning in Oncology, Medical Physics and Radiology by : Issam El Naqa
Download or read book Machine and Deep Learning in Oncology, Medical Physics and Radiology written by Issam El Naqa and published by Springer Nature. This book was released on 2022-02-02 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, now in an extensively revised and updated second edition, provides a comprehensive overview of both machine learning and deep learning and their role in oncology, medical physics, and radiology. Readers will find thorough coverage of basic theory, methods, and demonstrative applications in these fields. An introductory section explains machine and deep learning, reviews learning methods, discusses performance evaluation, and examines software tools and data protection. Detailed individual sections are then devoted to the use of machine and deep learning for medical image analysis, treatment planning and delivery, and outcomes modeling and decision support. Resources for varying applications are provided in each chapter, and software code is embedded as appropriate for illustrative purposes. The book will be invaluable for students and residents in medical physics, radiology, and oncology and will also appeal to more experienced practitioners and researchers and members of applied machine learning communities.
Book Synopsis Strategies for Adaptive Radiation Therapy by : Junyi Xia
Download or read book Strategies for Adaptive Radiation Therapy written by Junyi Xia and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Image guided radiation therapy (IGRT) requires developing advanced methods for target localization. Once target motion is identified, the patient specific treatment margin can be incorporated into the treatment planning, accurately delivering the radiation dose to the target and minimizing the dose to the normal tissues. Deformable image registration (DIR) has become an indispensable tool to analyze target motion and measure physiological change by temporal imaging or time series volumetric imaging, such as four-dimensional computed tomography (4DCT). Current DIR algorithms suffer from inverse inconsistency, where the deformation mapping is not unique after switching the order of the images. Moreover, long computation time of current DIR implementation limits its clinical application to offline analysis. This dissertation makes several major contributions: First, an inverse consistent constraint (ICC) is proposed to constrain the uniqueness of the correspondence between image pairs. The proposed ICC has the advantage of 1) improving registration accuracy and robustness, 2) not requiring explicitly computing the inverse of the deformation field, and 3) reducing the inverse consistency error (ICE). Moreover, a variational registration model, based on the maximum likelihood estimation, is proposed to accelerate the algorithm convergence and allow for inexact image pixel matching within an optimized variation for noisy image pairs.
Book Synopsis Machine Learning in Radiation Oncology by : Issam El Naqa
Download or read book Machine Learning in Radiation Oncology written by Issam El Naqa and published by Springer. This book was released on 2015-06-19 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a complete overview of the role of machine learning in radiation oncology and medical physics, covering basic theory, methods, and a variety of applications in medical physics and radiotherapy. An introductory section explains machine learning, reviews supervised and unsupervised learning methods, discusses performance evaluation, and summarizes potential applications in radiation oncology. Detailed individual sections are then devoted to the use of machine learning in quality assurance; computer-aided detection, including treatment planning and contouring; image-guided radiotherapy; respiratory motion management; and treatment response modeling and outcome prediction. The book will be invaluable for students and residents in medical physics and radiation oncology and will also appeal to more experienced practitioners and researchers and members of applied machine learning communities.
Book Synopsis Machine Learning With Radiation Oncology Big Data by : Jun Deng
Download or read book Machine Learning With Radiation Oncology Big Data written by Jun Deng and published by Frontiers Media SA. This book was released on 2019-01-21 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adaptive Radiation Therapy by : X. Allen Li
Download or read book Adaptive Radiation Therapy written by X. Allen Li and published by CRC Press. This book was released on 2011-01-27 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern medical imaging and radiation therapy technologies are so complex and computer driven that it is difficult for physicians and technologists to know exactly what is happening at the point-of-care. Medical physicists responsible for filling this gap in knowledge must stay abreast of the latest advances at the intersection of medical imaging an
Book Synopsis Machine learning-based adaptive radiotherapy treatments: From bench top to bedside by : Jiahan Zhang
Download or read book Machine learning-based adaptive radiotherapy treatments: From bench top to bedside written by Jiahan Zhang and published by Frontiers Media SA. This book was released on 2023-05-12 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Machine Learning and Artificial Intelligence in Radiation Oncology by : Barry S. Rosenstein
Download or read book Machine Learning and Artificial Intelligence in Radiation Oncology written by Barry S. Rosenstein and published by Academic Press. This book was released on 2023-12-02 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Machine Learning and Artificial Intelligence in Radiation Oncology: A Guide for Clinicians is designed for the application of practical concepts in machine learning to clinical radiation oncology. It addresses the existing void in a resource to educate practicing clinicians about how machine learning can be used to improve clinical and patient-centered outcomes. This book is divided into three sections: the first addresses fundamental concepts of machine learning and radiation oncology, detailing techniques applied in genomics; the second section discusses translational opportunities, such as in radiogenomics and autosegmentation; and the final section encompasses current clinical applications in clinical decision making, how to integrate AI into workflow, use cases, and cross-collaborations with industry. The book is a valuable resource for oncologists, radiologists and several members of biomedical field who need to learn more about machine learning as a support for radiation oncology. Presents content written by practicing clinicians and research scientists, allowing a healthy mix of both new clinical ideas as well as perspectives on how to translate research findings into the clinic Provides perspectives from artificial intelligence (AI) industry researchers to discuss novel theoretical approaches and possibilities on academic collaborations Brings diverse points-of-view from an international group of experts to provide more balanced viewpoints on a complex topic
Book Synopsis Machine Learning With Radiation Oncology Big Data by :
Download or read book Machine Learning With Radiation Oncology Big Data written by and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiation oncology is uniquely positioned to harness the power of big data as vast amounts of data are generated at an unprecedented pace for individual patients in imaging studies and radiation treatments worldwide. The big data encountered in the radiotherapy clinic may include patient demographics stored in the electronic medical record (EMR) systems, plan settings and dose volumetric information of the tumors and normal tissues generated by treatment planning systems (TPS), anatomical and functional information from diagnostic and therapeutic imaging modalities (e.g., CT, PET, MRI and kVCBCT) stored in picture archiving and communication systems (PACS), as well as the genomics, proteomics and metabolomics information derived from blood and tissue specimens. Yet, the great potential of big data in radiation oncology has not been fully exploited for the benefits of cancer patients due to a variety of technical hurdles and hardware limitations. With recent development in computer technology, there have been increasing and promising applications of machine learning algorithms involving the big data in radiation oncology. This research topic is intended to present novel technological breakthroughs and state-of-the-art developments in machine learning and data mining in radiation oncology in recent years.
Book Synopsis Fundamentals of Radiation Oncology by : Hasan Murshed
Download or read book Fundamentals of Radiation Oncology written by Hasan Murshed and published by Elsevier. This book was released on 2024-06-28 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Radiation Oncology: Physical, Biological, and Clinical Aspects, Fourth Edition, is written by a team of renowned experts. This book is a must-have resource for anyone practicing radiation oncology. From basic principles to more-advanced planning and delivery of radiation therapy to treat cancer, this book is a go-to resource for mastering the art and science of radiation oncology. Recent advances in SRS, SBRT, proton therapy, an immunotherapy New chapters on adaptive radiotherapy, and artificial intelligence in radiation therapy IMRT and IGRT techniques are covered in depth in all clinical chapters Latest landmark studies provide evidence-based rationale for recommended treatments Radiation treatment toxicity and its management
Book Synopsis Image Processing in Radiation Therapy by : Kristy K. Brock
Download or read book Image Processing in Radiation Therapy written by Kristy K. Brock and published by CRC Press. This book was released on 2016-04-19 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Images from CT, MRI, PET, and other medical instrumentation have become central to the radiotherapy process in the past two decades, thus requiring medical physicists, clinicians, dosimetrists, radiation therapists, and trainees to integrate and segment these images efficiently and accurately in a clinical environment. Image Processing in Radiation
Book Synopsis Medical Image Registration by : Joseph V. Hajnal
Download or read book Medical Image Registration written by Joseph V. Hajnal and published by CRC Press. This book was released on 2001-06-27 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Image registration is the process of systematically placing separate images in a common frame of reference so that the information they contain can be optimally integrated or compared. This is becoming the central tool for image analysis, understanding, and visualization in both medical and scientific applications. Medical Image Registration provid
Book Synopsis A Neural Network Approach to Deformable Image Registration by : Elizabeth McKenzie
Download or read book A Neural Network Approach to Deformable Image Registration written by Elizabeth McKenzie and published by . This book was released on 2021 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deformable image registration (DIR) is an important component of a patient's radiation therapy treatment. During the planning stage it combines complementary information from different imaging modalities and time points. During treatment, it aligns the patient to a reproducible position for accurate dose delivery. As the treatment progresses, it can inform clinicians of important changes in anatomy which trigger plan adjustment. And finally, after the treatment is complete, registering images at subsequent time points can help to monitor the patient's health. The body's natural non-rigid motion makes DIR a complex challenge. Recently neural networks have shown impressive improvements in image processing and have been leveraged for DIR tasks. This thesis is a compilation of neural network-based approaches addressing lingering issues in medical DIR, namely 1) multi-modality registration, 2) registration with different scan extents, and 3) modeling large motion in registration. For the first task we employed a cycle consistent generative adversarial network to translate images in the MRI domain to the CT domain, such that the moving and target images were in a common domain. DIR could then proceed as a synthetically bridged mono-modality registration. The second task used advances in network-based inpainting to artificially extend images beyond their scan extent. The third task leveraged axial self-attention networks' ability to learn long range interactions to predict the deformation in the presence of large motion. For all these studies we used images from the head and neck, which exhibit all of these challenges, although these results can be generalized to other parts of the anatomy.The results of our experiments yielded networks that showed significant improvements in multi-modal DIR relative to traditional methods. We also produced network which can successfully predict missing tissue and demonstrated a DIR workflow that is independent of scan length. Finally, we trained a network whose accuracy is a balance between large and small motion prediction, and which opens the door to non-convolution-based DIR. By leveraging the power of artificial intelligence, we demonstrate a new paradigm in deformable image registration. Neural networks learn new patterns and connections in imaging data which go beyond the hand-crafted features of traditional image processing. This thesis shows how each step of registration, from the image pre-processing to the registration itself, can benefit from this exciting and cutting-edge approach.
Book Synopsis Advances in Deep Learning for Medical Image Analysis by : Archana Mire
Download or read book Advances in Deep Learning for Medical Image Analysis written by Archana Mire and published by CRC Press. This book was released on 2022-04-26 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference text introduces the classical probabilistic model, deep learning, and big data techniques for improving medical imaging and detecting various diseases. The text addresses a wide variety of application areas in medical imaging where deep learning techniques provide solutions with lesser human intervention and reduced time. It comprehensively covers important machine learning for signal analysis, deep learning techniques for cancer detection, diabetic cases, skin image analysis, Alzheimer’s disease detection, coronary disease detection, medical image forensic, fetal anomaly detection, and plant phytology. The text will serve as a useful text for graduate students and academic researchers in the fields of electronics engineering, computer science, biomedical engineering, and electrical engineering.
Book Synopsis Biomedical Image Registration by : Žiga Špiclin
Download or read book Biomedical Image Registration written by Žiga Špiclin and published by Springer Nature. This book was released on 2020-06-09 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 9th International Workshop on Biomedical Image Registration, WBIR 2020, which was supposed to be held in Portorož, Slovenia, in June 2020. The conference was postponed until December 2020 due to the COVID-19 pandemic. The 16 full and poster papers included in this volume were carefully reviewed and selected from 22 submitted papers. The papers are organized in the following topical sections: Registration initialization and acceleration, interventional registration, landmark based registration, multi-channel registration, and sliding motion.
Book Synopsis Machine Learning and Other Artificial Intelligence Applications, An Issue of Neuroimaging Clinics of North America, E-Book by : Reza Forghani
Download or read book Machine Learning and Other Artificial Intelligence Applications, An Issue of Neuroimaging Clinics of North America, E-Book written by Reza Forghani and published by Elsevier Health Sciences. This book was released on 2020-10-23 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue of Neuroimaging Clinics of North America focuses on Artificial Intelligence and Machine Learning and is edited by Dr. Reza Forghani. Articles will include: A Brief History of Artificial Intelligence; Evolution of Approaches for Computerized Image Analysis; Overview of Machine Learning Part 1: Classic Approaches; Overview of Machine Learning Part 2: Artificial Neural Networks & Deep Learning; Overview of Natural Language Processing; Artificial Intelligence & Stroke Imaging: An East Coast Perspective; Artificial Intelligence & Stroke Imaging: A West Coast Perspective; Artificial Intelligence Applications for Brain Tumor Imaging; Diverse Applications of Artificial Intelligence in Neuroradiology; Artificial Intelligence Applications for Head and Neck Imaging; Artificial Intelligence Applications for Predictive Analytics and Workflow Optimization; Artificial Intelligence, Advanced Visualization, and 3D Printing; Ethical & Legal Considerations for Artificial Intelligence; Comprehensive (or 360) Artificial Intelligence: Beyond Image Interpretation Alone, and more!
Book Synopsis Patient Dose Verification for Image-guided Radiation Therapy Using a Deformable Registration Tool by : Amanda Dyess
Download or read book Patient Dose Verification for Image-guided Radiation Therapy Using a Deformable Registration Tool written by Amanda Dyess and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Patient geometry often changes during the course of radiation therapy due to factors such as weight loss, tumor and normal tissue growth or shrinkage, and intra-treatment position variations. It has been shown that these changes can cause the dose delivered to differ from the originally planned dose distribution. Often this will result in the need to create a modified treatment plan, a process known as adaptive radiation therapy. The aim of this thesis is to evaluate the dosimetric effects due to anatomical changes and positioning variations during intensity-modulated radiation therapy through two retrospective studies. MIM Software (Cleveland, OH), a commercially available deformable registration tool, is used for this work. In the first study, the daily dose for four breast cancer patients undergoing a volumetric modulated arc boost treatment to the tumor bed is calculated on pretreatment cone beam computed tomography images. Two treatment isocenters, corresponding to the initial patient set up position, and the shifted position based on pretreatment imaging, are used for dose verification. The results indicate that a planning target volume consisting of the tumor bed and a uniform margin expansion of 1 cm is adequate to account for positioning errors. In the second study, the daily dose is calculated on the pretreatment megavoltage computed tomography images for craniospinal irradiation and head and neck cancer patients undergoing helical tomotherapy. The dose for each treatment fraction is deformed and accumulated to the planning computed tomography image for comparison with the original plan. This study assesses the effects of anatomical changes on treatment delivery. The results indicate a slight decrease in target coverage and no significant increase in dose to critical structures. " --
