| virtual image |
An image produced on the back plane of a mirror or hologram recording medium (eg on the side opposite the light source). In the case of a hologram, there is no left-right inversion of the subject image. A virtual image is usually orthoscopic, but may also be pseudoscopic.
출처: muse.jhu.edu/journals/leonardo/v034/34.4poissant.h...
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| virtual colonoscopy |
Advances in computer processing speed and imaging software have allowed for the development of "virtual colonoscopy" (CT colonography). This test still requires an intestinal cleansing but is performed rapidly, without sedation, and without the invasiveness of flexible video colonoscopy. Other intra-abdominal abnormalities may be diagnosed with this screening device. CT colonography is an exciting technique for screening for colon cancer. ...
출처: www.usc.edu/schools/medicine/departments/surgery/d...
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| virtual c. |
an imaging technique, used for examination of the colon, in which cross-sectional images acquired by computed tomography or magnetic resonance imaging are processed by computer to reconstruct a 3-dimensional display of the colonic lumen.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| virtual e. |
an imaging technique in which cross-sectional images acquired by computed tomography or magnetic resonance imaging are processed by computer to reconstruct a three-dimensional display similar to that seen through an endoscope.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| virtual f. |
the point at which divergent rays would intersect if prolonged backward.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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