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Download Understanding Digital Libraries by Michael Lesk PDF

By Michael Lesk

This totally revised and up-to-date moment version of knowing electronic Libraries specializes in the demanding situations confronted by way of either librarians and machine scientists in a box that has been dramatically altered via the expansion of the Web.At each flip, the aim is sensible: to teach you ways belongings you may wish to do are already being performed, or how they are often performed. the 1st a part of the booklet is dedicated to know-how and examines matters corresponding to various media specifications, indexing and class, networks and distribution, and presentation. the second one a part of the publication is worried with the human contexts during which electronic libraries functionality. right here you will find particular and precious info on usability, maintenance, clinical purposes, and thorny criminal and financial questions.

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Download Landmarking and segmentation of 3D CT images by Graham Boag, Rangaraj Rangayyan PDF

By Graham Boag, Rangaraj Rangayyan

Segmentation and landmarking of computed tomographic (CT) pictures of pediatric sufferers are vital and worthwhile in computer-aided analysis (CAD), remedy making plans, and goal research of standard in addition to pathological areas. id and segmentation of organs and tissues within the presence of tumors are tricky. computerized segmentation of the first tumor mass in neuroblastoma may well facilitate reproducible and aim research of the tumor's tissue composition, form, and dimension. besides the fact that, as a result of heterogeneous tissue composition of the neuroblastic tumor, starting from low-attenuation necrosis to high-attenuation calcification, segmentation of the tumor mass is a not easy challenge. during this context, equipment are defined during this e-book for identity and segmentation of a number of belly and thoracic landmarks to aid within the segmentation of neuroblastic tumors in pediatric CT photos. easy methods to establish and section immediately the peripheral artifacts and tissues, the rib constitution, the vertebral column, the spinal canal, the diaphragm, and the pelvic floor are defined. recommendations also are offered to guage quantitatively the result of segmentation of the vertebral column, the spinal canal, the diaphragm, and the pelvic girdle by means of evaluating with the result of self reliant guide segmentation played through a radiologist. using the landmarks and removing of a number of tissues and organs are proven to help in restricting the scope of the tumor segmentation strategy to the stomach, to steer to the relief of the false-positive mistakes, and to enhance the results of segmentation of neuroblastic tumors.

desk of Contents: advent to scientific picture research / snapshot Segmentation / Experimental layout and Database / Ribs, Vertebral Column, and Spinal Canal / Delineation of the Diaphragm / Delineation of the Pelvic Girdle / program of Landmarking / Concluding comments

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