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RADIOGRAPHIC APPARATUS AND IMAGE ACQUIRING METHOD
专利权人:
Wataru Takahashi
发明人:
Wataru Takahashi
申请号:
US13392389
公开号:
US20120148017A1
申请日:
2009.09.02
申请国别(地区):
US
年份:
2012
代理人:
摘要:
This invention has one object to provide radiographic apparatus with a compensating filter that allows simple and accurate estimation of direct radiation to acquire a radioscopic image or a sectional image of excellent contrast. This invention includes a direct-ray attenuation-rate acquiring section for acquiring a direct-ray attenuation rate from a dose of direct radiation entering into a subject and a dose of direct radiation emitted from the subject. In this invention, a direct-ray attenuation rate is acquired on an assumption that a primary indirect-ray attenuation rate is equal to the direct-ray attenuation rate, the primary indirect-ray attenuation rate being a rate of decreasing a primary indirect-ray generated with the compensating filter that transmits the subject. Such configuration may achieve provision of X-ray apparatus that allows more simple acquisition of a fluoroscopic X-ray image or a sectional image without performing complicated calculations conventionally.
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http://www.ckcest.cn/home/
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