Digital radiography

Xem 1-9 trên 9 kết quả Digital radiography
  • Digital Image Processing: What is a digital image? - Duong Anh Duc helps you know what is a digital image? Important steps in a typical image processing system; Image Processing and Analysis Transformations; Some Image Processing Examples - Gamma-Ray Imaging; Contrast Enhancement radiography.

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  • This volume is the first of a series on “Physical Techniques in the Study of Art, Archaeology and Cultural Heritage”. It follows a successful earlier publication by Elsevier (Radiation in Art and Archaeometry), also produced by the editors of this book, Dr David Bradley (Department of Physics, University of Surrey) and Professor Dudley Creagh (Director of the Cultural Heritage Research Centre, University of Canberra).

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  • Computer and Information Technology have transformed society and will continue to do so in the future. An increasing number of dentists use a variety of computer technologies, including digital intraoral cameras and paperless patient records. The topic of dental computing is related to the application of computer and information science in dentistry. Dental computing produces an increasing number of applications and tools for clinical practice. Dental computing support research and education, and improvements in these areas translate into improved patient care.

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  • EURASIP Journal on Applied Signal Processing 2003:5, 430–436 c 2003 Hindawi Publishing Corporation An Approach to Adaptive Enhancement of Diagnostic X-Ray Images ¨ Hakan Oktem Institute of Signal Processing, Tampere University of Technology, P.O. Box 553, 33101 Tampere, Finland Email: oktem@cs.tut.fi Karen Egiazarian Institute of Signal Processing, Tampere University of Technology, P.O. Box 553, 33101 Tampere, Finland Email: karen@cs.tut.fi Jarkko Niittylahti Atostek Ltd., Hermiankatu 8D, FIN-33720 Tampere, Finland Email: jarkko.niittylahti@atostek.com Juha Lemmetti Atostek Ltd.

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  • It is a commonplace that the characteristic virtue of Englishmen is their power of sustained practical activity, and their characteristic vice a reluctance to test the quality of that activity by reference to principles. They are incurious as to theory, take fundamentals for granted, and are more interested in the state of the roads than in their place on the map.

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  • The DRX-Revolution System Mobile X-ray system is designed specifically for Digital Radiography (DR) with the CARESTREAM DRX-1 System detector, or with other wireless flat-panel detectors. The DRX-Revolution incorporates the tools required for acquiring medical diagnostic images outside of a standard X-ray room.

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  • Hiện nay các khoa X-quang đã trang bị thêm những hệ thống x-quang điện toán (Computed Radiography) của các hãng khác nhau. X-quang điện toán là một kỹ thuật hiện đại, đó là hình ảnh x-quang qui ước được số hóa (digitalization).

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  • (1) phim chụp thường (plain radiography), (2) siêu âm (US), siêu âm tim, siêu âm ảnh đôi (duplex scanning), Doppler màu, siêu âm tim qua ngả thực quản (TEE), siêu âm trong mạch máu (intravascular ultrasound, IVUS), (3) chụp điện toán cắt lớp (CT) - quy ước và xoắn ốc (helical), (4) cộng hưởng từ mạch máu (MRA), (5) catheter angiography - quy ước và digital.

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  • (1) phim chụp thường (plain radiography), (2) siêu âm (US), siêu âm tim, siêu âm ảnh đôi (duplex scanning), Doppler màu, siêu âm tim qua ngả thực quản (TEE), siêu âm trong mạch máu (intravascular ultrasound, IVUS), (3) chụp điện toán cắt lớp (CT) - quy ước và xoắn ốc (helical), (4) cộng hưởng từ mạch máu (MRA), (5) catheter angiography - quy ước và digital.

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