نتایج جستجو برای: automatic exposure control

تعداد نتایج: 1712043  

Journal: :iranian journal of radiology 0
myeong seong kim department of radiology, the korean national cancer center, goyang, republic of korea; graduate school of public health and institute of health and environment, seoul national university, seoul, republic of korea jong-woong lee department of radiology, kyung hee university hospital at gang-dong, seoul, republic of korea sun geun kim department of radiological technology, baekseok culture university, cheonan, republic of korea dae cheol kweon department of radiological science, shinhan university, uijeongbu, republic of korea; department of radiologic science, shinhan university, uijeongbu-shi, republic of korea. tel: +82-318703416, fax: +82-318703419

conclusion scout views may be useful in determining dose and image quality in ct scanning; however, it is necessary to first determine the most appropriate scout view for ct scans. background while using the automatic exposure control technique in computed tomography (ct), the scout view determines the radiation dose for the ct scan by taking anatomical morphology into consideration. objectives...

2007
Navid Nourani-Vatani Jonathan Roberts

It is commonplace to use digital video cameras in robotic applications. These cameras have built-in exposure control but they do not have any knowledge of the environment, the lens being used, the important areas of the image and do not always produce optimal image exposure. Therefore, it is desirable and often necessary to control the exposure off the camera. In this paper we present a scheme ...

Journal: :iranian journal of radiology 0
jung-su kim department of radiologic science, college of health science, korea university, seoul, south korea sang-wook yoon department of diagnostic radiology, cha bundang medical center, cha university, gyeonggi-do, south korea deok-nam seo department of radiologic science, college of health science, korea university, seoul, south korea so-ra nam department of radiologic science, college of health science, korea university, seoul, south korea jung-min kim department of radiologic science, college of health science, korea university, seoul, south korea; department of radiologic science, college of health science, korea university, seoul, south korea. tel: +82-2940-2577, fax: +82-29402829

conclusion despite multiple exposures, ed control is more effective if wss is performed using apmdr in the aec mode. results using apmdr, the mean number of exposures was 6.1 for ap and 6.5 for lat projections. lat projections required more exposures (6.55%) than ap projections. the mean ed was 0.6276 msv (ap) and 0.6716 msv (lat). the mean ed for lat projections was 0.6061 msv in automatic exp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان 1386

چکیده ندارد.

Journal: :Journal of Agricultural Meteorology 1991

Journal: :Japanese Journal of Radiological Technology 1993

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