نتایج جستجو برای: image scanner

تعداد نتایج: 390548  

Ansari , Amir , Honarvar , F., Mahboobipour , Vahid ,

 The results of ultrasonic tests are usually displayed as A-scan signals. In an A-scan signal, reflections of ultrasonic wave form different reflectors are shown as sharp echoes on a time by amplitude display. Interpretation of these echoes can sometimes be quite difficult and usually requires knowledgeable and experienced specialists. There exist other methods of displaying the ultrasonic test...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
s. nikneshan dept. of oral & maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. b. moghaddamzade

objective: after introduction of digital radiography into dentistry several methods of image acquisition were accessible in the field of dentistry. in many instances it is necessary to digitize analog images. there is no overall acceptable method for image digitization so all different types of images can be comparable. the objective of this study was to compare the diagnostic accuracy of diffe...

Journal: :journal of lasers in medical sciences 0
akram sadat jafari roodbandi school of public health, occupational health department, bam university of medical sciences, bam, iran hamid naderi bsc of computer enginnering, ferdoos payam noor university, ferdoos, iran naser hashenmi-nejad school of public health, occupational health department, school of public health, kerman university of medical sciences, kerman, iran alireza choobineh research center for health sciences, institute of health, shiraz university of medical sciences, shiraz, iran mohammad reza baneshi research center for modeling in health, institute for futures studies in health, kerman university of medical sciences, kerman, iran vafa feyzi msc of occupational health, dezful university of medical sciences, dezful, iran

introduction: three-dimensional (3d) scanners are widely used in medicine. one of the applications of 3d scanners is the acquisition of anthropometric dimensions for ergonomics and the creation of an anthropometry data bank. the aim of this study was to evaluate the precision and accuracy of a modified 3d scanner fabricated in this study. methods: in this work, a 3d scan of the human body was o...

Journal: :The Journal of the Acoustical Society of America 1967

Journal: :Journal of Digital Imaging 1992

Journal: :International Journal of Image and Graphics 2003

B. Moghaddamzade , S. Nikneshan,

Objectives: Several methods of image acquisition are accessible in dentistry. There is no overall acceptable method for image digitization so all different types of images can be comparable. The objective of this study was to compare the diagnostic accuracy of different methods of image digitization. Methods: This accuracy diagnostic test study used perceptibility curve test which first intr...

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