Image Quality
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Modern Image Quality Assessment
Author: Zhou Wang
language: en
Publisher: Morgan & Claypool Publishers
Release Date: 2006-12-01
This Lecture book is about objective image quality assessment—where the aim is to provide computational models that can automatically predict perceptual image quality. The early years of the 21st century have witnessed a tremendous growth in the use of digital images as a means for representing and communicating information. A considerable percentage of this literature is devoted to methods for improving the appearance of images, or for maintaining the appearance of images that are processed. Nevertheless, the quality of digital images, processed or otherwise, is rarely perfect. Images are subject to distortions during acquisition, compression, transmission, processing, and reproduction. To maintain, control, and enhance the quality of images, it is important for image acquisition, management, communication, and processing systems to be able to identify and quantify image quality degradations. The goals of this book are as follows; a) to introduce the fundamentals of image quality assessment, and to explain the relevant engineering problems, b) to give a broad treatment of the current state-of-the-art in image quality assessment, by describing leading algorithms that address these engineering problems, and c) to provide new directions for future research, by introducing recent models and paradigms that significantly differ from those used in the past. The book is written to be accessible to university students curious about the state-of-the-art of image quality assessment, expert industrial R&D engineers seeking to implement image/video quality assessment systems for specific applications, and academic theorists interested in developing new algorithms for image quality assessment or using existing algorithms to design or optimize other image processing applications.
Imaging of the Temporal Bone
Authoritative and lavishly illustrated, this best-selling reference returns in a fourth edition with comprehensive coverage of the current imaging strategies for the evaluation of disease processes affecting the temporal bone and its intricate anatomy. New in this edition is a highly practical "how-to" chapter that presents imaging modalities and technical parameters for CT and MRI as well as an overview of the role of plain film radiography, ultrasound, PET, and PET/CT. The chapter then addresses major clinical indications, providing step-by-step descriptions of how to protocol each case, how to interpret the studies, and how to report findings. The remaining chapters thoroughly cover specific anatomic areas of the temporal bone separately. Each chapter places special emphasis on gaining a solid foundation of the normal anatomy and anatomic variations. It then discusses imaging protocols and image evaluation for specific clinical problems. Highlights: Practical discussion of standard techniques, protocols, and special considerations for imaging using CT and MRI In-depth coverage of both common and rare conditions Clinical insights from international authorities in the field More than 1,500 high-quality illustrations and images, including CT, MRI, and vascular images using CTA, MRA, and conventional catheter angiography This book is an essential reference for a multidisciplinary approach to assessing diseases affecting the temporal bone. It is an ideal resource for all radiologists, neuroradiologists, head and neck radiologists, and residents in these specialties. It is also valuable for otolaryngologists, otologists, and head and neck surgeons.
European Guidelines for Quality Assurance in Breast Cancer Screening and Diagnosis
Author: European Commission. Directorate-General for Health and Consumer Protection
language: en
Publisher:
Release Date: 2006
Breast cancer is the most frequent cause of cancer-related deaths in women in Europe, and demographic trends indicate a continuing increase in this substantial public health problem. Systematic early detection through screening, effective diagnostic pathways and optimal treatment have the ability to substantially lower current breast cancer mortality rates and reduce the burden of this disease in the population. This is the fourth edition of these guidelines which contains information on recommended standards and procedures for breast cancer screening and diagnostic services, including chapters on multi-disciplinary aspects of quality assurance, data collection and monitoring, effective communication of information, requirements of a specialist unit, and a certification protocol.