Download or read book Measuring Surface Area of Skin Lesions with 2D and 3D Algorithms written by Houman Mirzaalian Dastjerdi and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Purpose. The treatment of skin lesions of various kinds is a common task in clinical routine. Apart from wound care, the assessment of treatment efficacy plays an important role. In this paper, we present a new approach to measure the skin lesion surface in two and three dimensions. Methods. For the 2D approach, a single photo containing a flexible paper ruler is taken. After semi-automatic segmentation of the lesion, evaluation is based on local scale estimation using the ruler. For the 3D approach, reconstruction is based on Structure from Motion. Roughly outlining the region of interest around the lesion is required for both methods. Results. The measurement evaluation was performed on 117 phantom images and five phantom videos for 2D and 3D approach, respectively. We found an absolute error of 0.991.18 and a relative error 9.89 9.31% for 2D. These errors are and % for five test phantoms in our 3D case. As expected, the error of 2D surface area measurement increased by approximately 10% for wounds on the bent surface compared to wounds on the flat surface. Using our method, the only user interaction is to roughly outline the region of interest around the lesion. Conclusions. We developed a new wound segmentation and surface area measurement technique for skin lesions even on a bent surface. The 2D technique provides the user with a fast, user-friendly segmentation and measurement tool with reasonable accuracy for home care assessment of treatment. For 3D only preliminary results could be provided. Measurements were only based on phantoms and have to be repeated with real clinical data

Download or read book Automatic 3D Surface Area Measurement for Vitiligo Lesions written by Jiarui Huang (M. Eng.) and published by . This book was released on 2017 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vitiligo is a long term skin depigmentation disease that may result in psychological stress. Monitoring changes in vitiligo lesion area allows assessment of treatment efficacy and aids in clinical decision making. Currently existing approaches for vitiligo lesion measurement are either inefficient or inaccurate. Using a RGB-D camera (Kinect) and imaging processing techniques, we develop an automated skin lesion screening system (VLAMS) that can be widely adopted in clinics. VLAMS is tested using clinical medical data. Results show VLAMS can consistently segment target lesion region and accurately measure lesion area of any skin surface.

Download or read book Surface Imaging for Biomedical Applications written by Ahmad Fadzil Mohamad Hani and published by CRC Press. This book was released on 2014-06-23 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on hospital clinical trials examining the use of signal and image processing techniques, Surface Imaging for Biomedical Applications bridges the gap between engineers and clinicians. This text offers a thorough analysis of biomedical surface imaging to medical practitioners as it relates to the diagnosis, detection, and monitoring of skin conditions and disease. Written from an engineer’s perspective, the book discusses image acquisition methods, image processing, and pattern recognition techniques. It focuses on a variety of techniques used in recent years for image processing and pattern recognition (principal component analysis, independent component analysis, singular value decomposition, texture modeling, inverse model analysis, polynomial surface fitting, and classification techniques), and considers interventional and non-invasive procedures used to diagnose skin-related disease. It examines the biological causation of four skin disorders (psoriasis, vitiligo, ulcer, and acne), provides basic terminologies in surface imaging, and details the outcome of various clinical observations and other research. It also details numerous measurement parameters related to surface imaging (body surface, skin color, tissue characteristic, thickness, roughness, volume of skin, and retinal changes). Discusses the development of a psoriasis severity measurement tool Provides material on assessing segmented repigmentation areas in vitiligo patients via VT-Scan Introduces a volume ulcer assessment using non-invasive 3D imaging Presents an automated system for acne grading that is based on capturing the images of various body parts using the DSLR camera Includes the MATLAB® codes for various pattern recognition techniques applied during the assessment/measurement at the end of each chapter This interdisciplinary reference highlights the importance of disease diagnosis and monitoring, and is suitable for medical practitioners, biomedical engineers, and core image processing researchers.

Download or read book REVIEWS OF VETERINARY RESEARCH WHAT NEXT written by Dr. Giggin, T. , Dr. E. Niyas & Dr. A. Sivakumar and published by Lulu Publication. This book was released on 2021-08-06 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Skin is the largest multi-layered external defence system that protects the body from pathogenic invasion. A cutaneous wound means disruption in the continuity of skin. Wound assessment is the key in the care of patients with wounds, allowing us to reach an accurate diagnosis, raise the short-and long-term goals, and determine the appropriate interventions at each stage. A complete wound assessment must include the wound morphometry, attributes of the wound like duration, blood flow, infection, oedema, inflammation, host factors and environmental factors that impact on optimum wound management. It is essential that the measurement tool used is highly accurate and repeatable. Digital imaging and software (Digital planimetry) with smart phones integrating digital camera and software applications are emerging as inexpensive, easy-to-use, reliable and accurate tools for wound measurements. Optical features of skin components can be non-invasively assessed for estimating the severity of wounds, the healing potential and the healing rate.

Download or read book Detection of Skin Lesions Using Nature Inspired Techniques written by Sudhriti SenGupta and published by Mohammed Abdul Sattar. This book was released on 2024-01-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Skin is the largest organ in human body. Human skin is an integument of the surface of body acting as a defensive cover and receiver of sensory stimuli. It is necessary to sustain human life as it protects the organs, tissues and other parts of body against external environment like dust particles, microbes etc. It also regulates body temperature and provides sensation of heat, cold, touch and other sensation. There are three layers in skin of human body. The outermost layer of skin is called epidermis which provides waterproof barriers. The epidermis has special cells called melanocytes which affect the skin color. The layer beneath the epidermis is called dermis and it is composed of tissues, glands and hair follicles. The lowermost layer is hypodermis which is made up of fat and connective tissues. The skin and its related tissues are sometimes effected by diseases which are called skin diseases or cutaneous condition. Some of the diseases can be harmless, whereas some diseases can cause serious discomfort and pain. Some of these diseases are even fatal. Generally, diagnosis of skin diseases is done by dermatologists with acquiring necessary information regarding skin abnormalities, symptoms, duration, color, texture etc. Dermatologists uses imaging techniques which helps for better observation of skin surface and its various forms. These techniques rely on the expertise of the specialists which led to the need of Computer Aided Diagnostics (CAD). It can be used to accurately and precisely diagnosis diseases related to the skin. This technique also helps in providing diagnosis and prediction of diseases to people residing in far flung areas where the availability of specialists may be very less. The steps involved in creating a CAD system are pre-processing, lesion detection and identification and lesion classification. Among these, lesion detection and identification is an important part as it results in the better accuracy of classification of skin lesions. But one of the main challenges in lesion classification is the availability of a wide variety of lesions in the human body. The types of lesions can be varied on basis of size, texture, color, frequency, etc. To detect the skin lesion is also crucial technique. An abnormal growth or sore in the skin surface is called skin lesion. Some of these lesions can be harmless, whereas, some of them can be harmful and malignant. Some of these lesions are precursor to fatal disease and if not treated properly and timely can cause death also. Skin Lesions are the area in the skin surface which differs in appearance than the surrounding area. These differences can be of color, shape, pattern and dimensions. Lesions on skin can be detached or can be in group. It can be spread in single area or throughout the body. Lesions in skin are quite common and can be caused by various factors like sun burn, accidents, insect bites, etc. Some of the lesions can be caused by diseases like diabetes, skin cancer and many more. A skin lesion is also known an eruption. They are categorized as primary lesions, which are found in normal skin, and secondary lesions, which occurs due to secondary eruptions.

Download or read book Surface Imaging for Biomedical Applications written by Ahmad Fadzil Mohamad Hani and published by CRC Press. This book was released on 2014-06-23 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on hospital clinical trials examining the use of signal and image processing techniques, Surface Imaging for Biomedical Applications bridges the gap between engineers and clinicians. This text offers a thorough analysis of biomedical surface imaging to medical practitioners as it relates to the diagnosis, detection, and monitoring of skin con

Download or read book Cumulated Index Medicus written by and published by . This book was released on 1989 with total page 1496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book M Health Innovations for Patient Centered Care written by Moumtzoglou, Anastasius and published by IGI Global. This book was released on 2016-01-26 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: The integration of mobile technology into the medical industry has revolutionized the efficiency and delivery of healthcare services. Once limited by distance and physical barriers, health professionals can now reach patients and other practitioners with ease. M-Health Innovations for Patient-Centered Care is a pivotal reference source for the latest scholarly research on the incorporation of mobile telecommunication devices in the health field and how this technology has increased overall quality of care. Highlighting various types of available technologies, necessary support infrastructures, and alterations in business models, this publication is ideally designed for medical professionals, upper-level students, and e-health system designers interested in the effects of mobile technology on healthcare delivery.

Download or read book Particle Image Velocimetry written by Markus Raffel and published by Springer Science & Business Media. This book was released on 2007-08-09 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This immensely practical guide to PIV provides a condensed, yet exhaustive guide to most of the information needed for experiments employing the technique. This second edition has updated chapters on the principles and extra information on microscopic, high-speed and three component measurements as well as a description of advanced evaluation techniques. What’s more, the huge increase in the range of possible applications has been taken into account as the chapter describing these applications of the PIV technique has been expanded.

Download or read book 3 D Image Processing Algorithms written by N. Nikolaidis and published by Wiley-Interscience. This book was released on 2000-11-06 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thorough, up-to-date, comprehensive coverage of 3-D image processing This authoritative guide presents and explains numerous 3-D image processing, analysis, and visualization techniques, including volume filtering, interpolation, 3-D discrete Fourier transform, evaluation of topological and geometrical features, region segmentation and edge detection, skeletonization and registration, and visualization. Necessary theoretical background is provided for each topic, along with a number of algorithms, selected on the basis of their acceptance by the scientific community. The presentation of each technique includes a commented implementation, either in C code or in C-like pseudocode. Though presented in an almost ready-to-run form, the C code is simplified to expose the structure of the processing algorithms, rather than their programming details. This combination of theoretical treatment and C code implementation allows readers to gain a thorough insight into these techniques. Important features of 3-D Image Processing Algorithms include: * A demo version of EIKONA 3D image processing software * Lab exercises based on EIKONA 3D * Accompanying transparencies summarizing the most important topics. The material can be downloaded from an ftp site Based on the authors' long experience in research and teaching of 2-D/3-D image processing, 3-D Image Processing Algorithms is an indispensable resource for electrical, computer, and biomedical engineers, as well as computer graphics professionals and programmers.

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1993 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Image Correlation for Shape Motion and Deformation Measurements written by Michael A. Sutton and published by Springer Science & Business Media. This book was released on 2009-04-21 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Image Correlation for Shape, Motion and Deformation Measurements provides a comprehensive overview of data extraction through image analysis. Readers will find and in-depth look into various single- and multi-camera models (2D-DIC and 3D-DIC), two- and three-dimensional computer vision, and volumetric digital image correlation (VDIC). Fundamentals of accurate image matching are described, along with presentations of both new methods for quantitative error estimates in correlation-based motion measurements, and the effect of out-of-plane motion on 2D measurements. Thorough appendices offer descriptions of continuum mechanics formulations, methods for local surface strain estimation and non-linear optimization, as well as terminology in statistics and probability. With equal treatment of computer vision fundamentals and techniques for practical applications, this volume is both a reference for academic and industry-based researchers and engineers, as well as a valuable companion text for appropriate vision-based educational offerings.

Download or read book 3D Structure from Multiple Images of Large Scale Environments written by Reinhard Koch and published by Springer. This book was released on 2003-05-20 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the strictly refereed post-workshop proceedings of the European Workshop on 3D Structure from Multiple Images of Large-Scale Environments, SMILE'98, held in conjunction with ECCV'98 in Freiburg, Germany, in June 1998. The 21 revised full papers presented went through two cycles of reviewing and were carefully selected for inclusion in the book. The papers are organized in sections on multiview relations and correspondence search, 3D structure from multiple images, callibration and reconstruction using scene constraints, range integration and augmented reality application.

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

Download or read book Non Invasive Diagnostic Techniques in Clinical Dermatology written by Enzo Berardesca and published by Springer Science & Business Media. This book was released on 2013-12-02 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive but compact guide to the latest technical and technological developments in the growing field of non invasive diagnosis in clinical dermatology. Information is provided on the practical and technical characteristics of a wide range of equipment and methods for in vivo measurements that aid in the investigation of skin function, the evaluation of topically applied products and the monitoring of skin disease. Individual sections are devoted to imaging techniques, skin analysis, superficial skin analysis, skin mechanics, water and stratum corneum hydration and erythema and blood flow. All of the authors are experts in the field, with detailed knowledge of the techniques they describe. Non Invasive Diagnostic Techniques in Clinical Dermatology will be of value for all dermatologists, whether they are engaged in delivering patient care or in research programs, for cosmetic scientists and for biologists involved in skin research and product assessment.

Download or read book New Developments in Biomedical Engineering written by Domenico Campolo and published by BoD – Books on Demand. This book was released on 2010-01-01 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomedical Engineering is a highly interdisciplinary and well established discipline spanning across engineering, medicine and biology. A single definition of Biomedical Engineering is hardly unanimously accepted but it is often easier to identify what activities are included in it. This volume collects works on recent advances in Biomedical Engineering and provides a bird-view on a very broad field, ranging from purely theoretical frameworks to clinical applications and from diagnosis to treatment.

Download or read book Brain and Human Body Modeling written by Sergey Makarov and published by Springer Nature. This book was released on 2019-08-27 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book describes modern applications of computational human modeling with specific emphasis in the areas of neurology and neuroelectromagnetics, depression and cancer treatments, radio-frequency studies and wireless communications. Special consideration is also given to the use of human modeling to the computational assessment of relevant regulatory and safety requirements. Readers working on applications that may expose human subjects to electromagnetic radiation will benefit from this book’s coverage of the latest developments in computational modelling and human phantom development to assess a given technology’s safety and efficacy in a timely manner. Describes construction and application of computational human models including anatomically detailed and subject specific models; Explains new practices in computational human modeling for neuroelectromagnetics, electromagnetic safety, and exposure evaluations; Includes a survey of modern applications for which computational human models are critical; Describes cellular-level interactions between the human body and electromagnetic fields.