Multiresolution methods in geometric modelling are concerned with the generation, representation, and manipulation of geometric objects at several levels of detail. Applications include fast visualization and rendering as well as coding, compression, and digital transmission of 3D geometric objects. This book marks the culmination of the four-year EU-funded research project, Multiresolution in Geometric Modelling (MINGLE). The book contains seven survey papers, providing a detailed overview of recent advances in the various fields within multiresolution modelling, and sixteen additional research papers. Each of the seven parts of the book starts with a survey paper, followed by the associated research papers in that area. All papers were originally presented at the MINGLE 2003 workshop held at Emmanuel College, Cambridge, UK, 9-11 September 2003.
‘Subdivision’ is a way of representing smooth shapes in a computer. A curve or surface (both of which contain an in?nite number of points) is described in terms of two objects. One object is a sequence of vertices, which we visualise as a polygon, for curves, or a network of vertices, which we visualise by drawing the edges or faces of the network, for surfaces. The other object is a set of rules for making denser sequences or networks. When applied repeatedly, the denser and denser sequences are claimed to converge to a limit, which is the curve or surface that we want to represent. This book focusses on curves, because the theory for that is complete enough that a book claiming that our understanding is complete is exactly what is needed to stimulate research proving that claim wrong. Also because there are already a number of good books on subdivision surfaces. The way in which the limit curve relates to the polygon, and a lot of interesting properties of the limit curve, depend on the set of rules, and this book is about how one can deduce those properties from the set of rules, and how one can then use that understanding to construct rules which give the properties that one wants.
This book constitutes the refereed proceedings of the 12th IMA International Conference on the Mathematics of Surfaces, held in Sheffield, UK in September 2007. The 22 revised full papers presented together with 8 invited papers were carefully reviewed and selected from numerous submissions. Among the topics addressed is the applicability of various aspects of mathematics to engineering and computer science, especially in domains such as computer aided design, computer vision, and computer graphics. The papers cover a range of ideas from underlying theoretical tools to industrial uses of surfaces. Research is reported on theoretical aspects of surfaces including topology, parameterization, differential geometry, and conformal geometry, and also more practical topics such as geometric tolerances, computing shape from shading, and medial axes for industrial applications. Other specific areas of interest include subdivision schemes, solutions of differential equations on surfaces, knot insertion, surface segmentation, surface deformation, and surface fitting.
This book constitutes the refereed proceedings of the 11th IMA International Conference on the Mathematics of Surfaces, held in Loughborough, UK in September 2005. The 28 revised full papers presented were carefully reviewed and selected from numerous submissions. Among the topics addressed are Voronoi diagrams, linear systems, curvatures on meshes, approximate parameterization, condition numbers, pythagorean hodographs, artifacts in B-spline surfaces, Bézier surfaces of minimal energy, line subdivision, subdivision surfaces, level sets and symmetry, the topology of algebraic surfaces, embedding graphs in manifolds, recovery of 3D shape from shading, finding optimal feedrates for machining, and improving of range data.
‘Subdivision’ is a way of representing smooth shapes in a computer. A curve or surface (both of which contain an in?nite number of points) is described in terms of two objects. One object is a sequence of vertices, which we visualise as a polygon, for curves, or a network of vertices, which we visualise by drawing the edges or faces of the network, for surfaces. The other object is a set of rules for making denser sequences or networks. When applied repeatedly, the denser and denser sequences are claimed to converge to a limit, which is the curve or surface that we want to represent. This book focusses on curves, because the theory for that is complete enough that a book claiming that our understanding is complete is exactly what is needed to stimulate research proving that claim wrong. Also because there are already a number of good books on subdivision surfaces. The way in which the limit curve relates to the polygon, and a lot of interesting properties of the limit curve, depend on the set of rules, and this book is about how one can deduce those properties from the set of rules, and how one can then use that understanding to construct rules which give the properties that one wants.
The volume contains five background chapters: The Oceanic Languages, Sociolinguistic Background, Typological Overview, Proto-Oceanic and Internal Subgrouping. Part of 2 vol set. Author Ross from ANU.
ENGINEERING ACOUSTICS NOISE AND VIBRATION CONTROL A masterful introduction to the theory of acoustics along with methods for the control of noise and vibration In Engineering Acoustics: Noise and Vibration Control, two experts in the field review the fundamentals of acoustics, noise, and vibration. The authors show how this theoretical work can be applied to real-world problems such as the control of noise and vibration in aircraft, automobiles and trucks, machinery, and road and rail vehicles. Engineering Acoustics: Noise and Vibration Control covers a wide range of topics. The sixteen chapters include the following: Human hearing and individual and community response to noise and vibration Noise and vibration instrumentation and measurements Interior and exterior noise of aircraft as well as road and rail vehicles Methods for the control of noise and vibration in industrial equipment and machinery Use of theoretical models in absorptive and reactive muffler and silencer designs Practical applications of finite element, boundary element and statistical energy analysis Sound intensity theory, measurements, and applications Noise and vibration control in buildings How to design air-conditioning systems to minimize noise and vibration Readers, whether students, professional engineers, or community planners, will find numerous worked examples throughout the book, and useful references at the end of each chapter to support supplemental reading on specific topics. There is a detailed index and a glossary of terms in acoustics, noise, and vibration.
From the front lines of World War II to behind the scenes in the Iran-Contra affair, Major General John K. Singlaub recounts 40 years in the military. Mixing personal anecdotes with well-researched history and previously classified documents, he provides a unique look at the military, including the early days of the CIA. Photographs.
This book is written more for the practitioner than the casual reader. Although a high mathematical level is not needed, for much of the material some engineering knowledge is desirable. Noise control is not easy and there are no magic answers to problems. Careful study and patience are required to produce proficiency in the field of noise control.
Chapter 23. Animal Models of Stroke Versus Clinical Stroke: Comparison of Infarct Size, Cause, Location, Study Design, and Efficacy of Experimental Therapies
Chapter 23. Animal Models of Stroke Versus Clinical Stroke: Comparison of Infarct Size, Cause, Location, Study Design, and Efficacy of Experimental Therapies
A quantitative and qualitative comparison of contemporary neuroprotection and thrombolytic stroke trials and their preclinical animal counterparts has been undertaken, with meta-analysis (DerSimonian and Laird, 1986) used to evaluate imaging and histological outcomes. Results from 35 clinical trials including 5,532 patients were compared with data from 3,145 pre-clinical acute-stroke experiments in 45,476 animals. While clinical trials tended to be of higher methodological quality and have larger sample sizes than animal experiments (71 patients vs. 7 animals per group), both were similarly underpowered owing to the greater variability in human stroke (average standard deviation of mean in humans 99% v 30% in animals). Proportionally, animal infarcts were almost four times larger than human infarcts in untreated control groups (27% v 8% of the hemisphere) although there was considerable variability in size owing to comorbidities and stroke type. Eighty-six percent of animal studies and 54% of clinical trials reported smaller infarcts in groups receiving treatment, with 41% of clinical trials reporting an improvement in the pre-specified hypothesis. Animal experiments were not effective in predicting individual trial results, nor the level of neuroprotection, however, there was a fair agreement between the direction of the animal and clinical outcomes when looking at the overall direction of drug outcome. As a drug screening tool, experimental stroke studies need refinement. Rational frameworks for translational research will help.
In Health Insurance and Canadian Public Policy, Malcolm Taylor describes the emergence of Medicare, providing an interesting window into current health care debates. He discusses the seemingly endless series of federal-provincial exchanges and negotiations involving issues of jurisdiction, cost allocations, revenue transfers, and taxing authorities as well as efforts to accommodate opposition from various special interests that would eventually evolve into a system that provided access to adequate health care for all Canadians on the basis of need, irrespective of financial circumstances.
Taylor gives a brief history, geared specifically to an American audience, of the evolution of the Canadian national health insurance system from the 1940s to the late 1980s. He describes the two Canadian programs -- hospital insurance and medical insurance -- and discusses the major changes in the programs since they were implemented. Originally published in 1990. A UNC Press Enduring Edition -- UNC Press Enduring Editions use the latest in digital technology to make available again books from our distinguished backlist that were previously out of print. These editions are published unaltered from the original, and are presented in affordable paperback formats, bringing readers both historical and cultural value.
Cairo University has been crucially important in shaping the national life of modern Egypt. In this history, Professor Reid explains the university's part in the national quest for independence from Britain, in the perennial tension between secular and religious world-views, and in the push for a more egalitarian society.
This comprehensive sourcebook describes the chemical, physical, and mineralogical aspects of fibrous inorganic materials, both synthetic and naturally occurring. A general description of the fibrous state, the range of compounds that can adopt this form, and an overview of thecharacteristics unique to such materials form the backbone of the book . The authors also assess the application and use of asbestos and other fibrous materials in industry and evaluate their potential as health hazards. The information gathered here will be highly useful to medical investigatorsand legal professionals involved in environmental health.
Proceeding from the premise that Jews, negatively depicted according to a range of demeaning stereotypes, are a feature of English crime writing between the two world wars, the author examines why this is so, with reference to recent debate over the profundity of anti-Semitism in Britain, and traces the evolution of fictional Jewish images in the context of socio-historical trends and events. Annotation copyrighted by Book News, Inc., Portland, OR
A riveting narrative of a New England slave boy caught up in the American Revolution A boy named Peter, born to a slave in Massachusetts in 1763, was sold nineteen months later to a childless white couple there. This book recounts the fascinating history of how the American Revolution came to Peter's small town, how he joined the revolutionary army at the age of twelve, and how he participated in the battles of Bunker Hill and Yorktown and witnessed the surrender at Saratoga.Joyce Lee Malcolm describes Peter’s home life in rural New England, which became increasingly unhappy as he grew aware of racial differences and prejudices. She then relates how he and other blacks, slave and free, joined the war to achieve their own independence. Malcolm juxtaposes Peter’s life in the patriot armies with that of the life of Titus, a New Jersey slave who fled to the British in 1775 and reemerged as a feared guerrilla leader.A remarkable feat of investigation, Peter’s biography illuminates many themes in American history: race relations in New England, the prelude to and military history of the Revolutionary War, and the varied experience of black soldiers who fought on both sides.
The relationship between sport, medicine and health in our society is becoming increasingly complex. This important and timely study explores this relationship through an analysis of changing political economies, altered perceptions of the body and science’s developing contribution to the human condition. Surveying the various ways in which medicine interacts with the world of sport, it examines the changing practices and purposes of sports medicine today. Drawing on the latest research in the sociology of sport, this book investigates the scientific discourse underlying the promotion of physical activity to reveal the political context in which medical knowledge and public policies emerge. It considers the incongruities between these policies and their attempts to regulate the supply of and demand for sports medicine. Through a series of original case studies, this book exposes the social construction of sports medical knowledge and questions the potential for medicine to influence athletes’ well-being both positively and negatively. Sport, Medicine and Health: The medicalization of sport? provides valuable insights for all students and scholars interested in sports medicine, sports policy, public health and the sociology of sport.
Concussion has become one of the most significant issues in contemporary sport. The life-changing impact of head injury and the possible threat that chronic traumatic encephalopathy poses to children and young athletes in particular is calling into question the long-term future of some of our most well-established sports. But what are the real issues behind the headlines and the public outcry, and what can and should be done to save sport from itself? This concise, provocative introduction draws on perspectives from sociology, medicine, ethics, psychology, and public health to answer these questions and more. The book explores the context in which the current cultural crisis has emerged. It assesses the current state of biomedical knowledge; the ethics of regulating for brain injury; the contribution of the social sciences to understanding the behaviour of sports participants; and the impact of public health interventions and campaigns. Drawing on the latest research evidence, the book explores the social roots of sport’s concussion crisis and assesses potential future solutions that might resolve this crisis. This is essential reading for anybody with an interest in sport, from students and researchers to athletes, coaches, teachers, parents, policy-makers, and clinicians.
During the Second World War, the Merchant Navy suffered a higher percentage loss than any of the British armed forces, but despite this extraordinary fact few people today are aware of it. In total, 33,000 merchant seamen died, while others were severely injured both physically and mentally. This book is an important volume attempting to dispel the ignorance, and for the first time brings together a wealth of information concerning ship losses, including such details as ships' names, their captains, the route they were lost on, date and positions when lost, loss of life, and many other particulars. A former wartime Merchant Navy man himself, Malcolm presents a compendium of shipping company losses that is staggering in scale. This work will be of great value to shipping enthusiasts and anyone interested in the war at sea.
Social research is a bourgeoning field. Of course it has many traditions and approaches, but there is a high premium upon thinking differently and thinking anew because social life is never static or wholly predictable. The Handbook, edited by internationally recognized scholars, provides a comprehensive, pitch-perfect critical assessment of the field. The main features of the Handbook are: Clear organization into 4 parts dealing with The Social Context of Research; Design and Data Collection; Integrating The Analysis of New Data Types; Sampling, Inference and Measurement Clear, cutting edge chapters on Objectivity; Causation; Organizing Social Research; Correspondence Analysis; Grounded Theory; Conversational Surveys; Mixed Methods; Meta-Analysis; Optimal Matching Analysis; GIS Analysis; Quantitative Narrative Analysis; Longitudinal Studies; SEM; MLM; Qualitative Comparative Analysis; Respondent Driven Sampling Brings together a glittering assembly of the key figures working in the field of research methods Demonstrates the continuities and productive tensions between classical traditions and real world research. The result is a superbly organized text which will be required reading for anyone interested in the routes and future of social research. It is an unparalleled teaching resource and a 'must have' for serious social researchers.
Neurology is a rapidly advancing core topic within the clinical curriculum and students and junior doctors are expected to recognise, understand and know how to investigate and manage many neurological-related disorders and conditions. Neurology: Clinical Cases Uncovered leads students through the clinical approach to managing neurological problems via real-life patient cases and outcomes. Following a question-answer approach to developing the narrative, and including self-assessment MCQs, EMQs and SAQs, the book includes 27 fully-illustrated cases covering a wide range of neurological presentations and conditions. Ideal for medical students with clinical attachments in neurology, and in the run up to examinations, the book will also be useful to doctors in training in general internal medicine, medicine of the elderly, psychiatry and neurology.
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