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wyszukanych pozycji: 11
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Biomedical Image Analysis
ISBN: 9780849396953 / Angielski / Twarda / 2004 / 1312 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. Computers are now found in virtually every medical imaging system, including ultrasound, nuclear medicine, and magnetic resonance imaging. Biomedical Image Analysis mitigates the limitations of combining diverse images of the same organ into a readily-comprehensible visual display. It shows readers the benefits of computer vision techniques, adding objective strength and diagnostic confidence through quantative analysis. The problems presented in this book focus on the post-acquisition challenges like enhancement, detection of edges, analysis of shape, and sharpness, rather than the imaging...
Computers are now found in virtually every medical imaging system, including ultrasound, nuclear medicine, and magnetic resonance imaging. Biomedical ...
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cena:
779,55 zł |
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Fractal Analysis of Breast Masses in Mammograms
ISBN: 9783031005268 / Angielski / Miękka / 2012 / 120 str. Termin realizacji zamówienia: ok. 20 dni roboczych. Fractal analysis is useful in digital image processing for the characterization of shape roughness and gray-scale texture or complexity. Breast masses present shape and gray-scale characteristics in mammograms that vary between benign masses and malignant tumors. This book demonstrates the use of fractal analysis to classify breast masses as benign masses or malignant tumors based on the irregularity exhibited in their contours and the gray-scale variability exhibited in their mammographic images. A few different approaches are described to estimate the fractal dimension (FD) of the contour...
Fractal analysis is useful in digital image processing for the characterization of shape roughness and gray-scale texture or complexity. Breast masses...
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cena:
128,37 zł |
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Analysis of Oriented Texture with application to the Detection of Architectural Distortion in Mammograms
ISBN: 9783031005190 / Angielski / Miękka / 2010 / 168 str. Termin realizacji zamówienia: ok. 20 dni roboczych. The presence of oriented features in images often conveys important information about the scene or the objects contained; the analysis of oriented patterns is an important task in the general framework of image understanding. As in many other applications of computer vision, the general framework for the understanding of oriented features in images can be divided into low- and high-level analysis. In the context of the study of oriented features, low-level analysis includes the detection of oriented features in images; a measure of the local magnitude and orientation of oriented features over...
The presence of oriented features in images often conveys important information about the scene or the objects contained; the analysis of oriented pat...
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cena:
136,15 zł |
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Modeling and Analysis of Shape with Applications in Computer-aided Diagnosis of Breast Cancer
ISBN: 9783031794285 / Angielski / Miękka / 2011 / 75 str. Termin realizacji zamówienia: ok. 20 dni roboczych. Malignant tumors due to breast cancer and masses due to benign disease appear in mammograms with different shape characteristics: the former usually have rough, spiculated, or microlobulated contours, whereas the latter commonly have smooth, round, oval, or macrolobulated contours. Features that characterize shape roughness and complexity can assist in distinguishing between malignant tumors and benign masses. In spite of the established importance of shape factors in the analysis of breast tumors and masses, difficulties exist in obtaining accurate and artifact-free boundaries of the...
Malignant tumors due to breast cancer and masses due to benign disease appear in mammograms with different shape characteristics: the former usually h...
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cena:
128,37 zł |
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Digital Image Processing for Ophthalmology: Detection and Modeling of Retinal Vascular Architecture
ISBN: 9783031005329 / Angielski / Miękka / 2014 / 176 str. Termin realizacji zamówienia: ok. 20 dni roboczych. The monitoring of the effects of retinopathy on the visual system can be assisted by analyzing the vascular architecture of the retina. This book presents methods based on Gabor filters to detect blood vessels in fundus images of the retina. Forty images of the retina from the Digital Retinal Images for Vessel Extraction (DRIVE) database were used to evaluate the performance of the methods. The results demonstrate high efficiency in the detection of blood vessels with an area under the receiver operating characteristic curve of 0.96. Monitoring the openness of the major temporal arcade (MTA)...
The monitoring of the effects of retinopathy on the visual system can be assisted by analyzing the vascular architecture of the retina. This book pres...
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cena:
194,52 zł |
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Acoustical Impulse Response Functions of Music Performance Halls
ISBN: 9783031014376 / Angielski / Miękka / 2013 / 112 str. Termin realizacji zamówienia: ok. 20 dni roboczych. Digital measurement of the analog acoustical parameters of a music performance hall is difficult. The aim of such work is to create a digital acoustical derivation that is an accurate numerical representation of the complex analog characteristics of the hall. The present study describes the exponential sine sweep (ESS) measurement process in the derivation of an acoustical impulse response function (AIRF) of three music performance halls in Canada. It examines specific difficulties of the process, such as preventing the external effects of the measurement transducers from corrupting the...
Digital measurement of the analog acoustical parameters of a music performance hall is difficult. The aim of such work is to create a digital acoustic...
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cena:
175,07 zł |
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Landmarking and Segmentation of 3D CT Images
ISBN: 9783031005077 / Angielski / Miękka / 2009 / 172 str. Termin realizacji zamówienia: ok. 20 dni roboczych. Segmentation and landmarking of computed tomographic (CT) images of pediatric patients are important and useful in computer-aided diagnosis (CAD), treatment planning, and objective analysis of normal as well as pathological regions. Identification and segmentation of organs and tissues in the presence of tumors are difficult. Automatic segmentation of the primary tumor mass in neuroblastoma could facilitate reproducible and objective analysis of the tumor's tissue composition, shape, and size. However, due to the heterogeneous tissue composition of the neuroblastic tumor, ranging from...
Segmentation and landmarking of computed tomographic (CT) images of pediatric patients are important and useful in computer-aided diagnosis (CAD), tre...
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cena:
128,37 zł |
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Computer-Aided Detection of Architectural Distortion in Prior Mammograms of Interval Cancer
ISBN: 9783031005282 / Angielski / Miękka / 2013 / 196 str. Termin realizacji zamówienia: ok. 20 dni roboczych. Architectural distortion is an important and early sign of breast cancer, but because of its subtlety, it is a common cause of false-negative findings on screening mammograms. Screening mammograms obtained prior to the detection of cancer could contain subtle signs of early stages of breast cancer, in particular, architectural distortion. This book presents image processing and pattern recognition techniques to detect architectural distortion in prior mammograms of interval-cancer cases. The methods are based upon Gabor filters, phase portrait analysis, procedures for the analysis of the...
Architectural distortion is an important and early sign of breast cancer, but because of its subtlety, it is a common cause of false-negative findings...
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cena:
136,15 zł |
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Digital Image Processing for Ophthalmology: Detection of the Optic Nerve Head
ISBN: 9783031005213 / Angielski / Miękka / 2011 / 108 str. Termin realizacji zamówienia: ok. 20 dni roboczych. Fundus images of the retina are color images of the eye taken by specially designed digital cameras. Ophthalmologists rely on fundus images to diagnose various diseases that affect the eye, such as diabetic retinopathy and retinopathy of prematurity. A crucial preliminary step in the analysis of retinal images is the identification and localization of important anatomical structures, such as the optic nerve head (ONH), the macula, and the major vascular arcades. Identification of the ONH is an important initial step in the detection and analysis of the anatomical structures and pathological...
Fundus images of the retina are color images of the eye taken by specially designed digital cameras. Ophthalmologists rely on fundus images to diagnos...
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cena:
108,92 zł |
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Content-based Retrieval of Medical Images: Landmarking, Indexing, and Relevance Feedback
ISBN: 9783031005237 / Angielski / Miękka / 2012 / 144 str. Termin realizacji zamówienia: ok. 20 dni roboczych. Content-based image retrieval (CBIR) is the process of retrieval of images from a database that are similar to a query image, using measures derived from the images themselves, rather than relying on accompanying text or annotation. To achieve CBIR, the contents of the images need to be characterized by quantitative features; the features of the query image are compared with the features of each image in the database and images having high similarity with respect to the query image are retrieved and displayed. CBIR of medical images is a useful tool and could provide radiologists with...
Content-based image retrieval (CBIR) is the process of retrieval of images from a database that are similar to a query image, using measures derived f...
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cena:
128,37 zł |
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Ophthalmological Imaging and Applications
ISBN: 9781466559134 / Angielski / Twarda / 2014 / 529 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. Edited by and featuring contributions from world-class researchers, Ophthalmological Imaging and Applications offers a unified work of the latest human eye imaging and modeling techniques that have been proposed and applied to the diagnosis of ophthalmologic problems, including inflammation, cataracts, diabetic retinopathy, and glaucoma. With a focus on theory, basic principles, and results derived from research, the book:
Edited by and featuring contributions from world-class researchers, Ophthalmological Imaging and Applications offers a unified work of the l... |
cena:
1299,25 zł |
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