hybrid gel phantom | 合法醫療器材資訊網
Adaptive mean filtering for noise reduction in CT polymer gel dosimetry[1]
International Nuclear Information System (INIS)[2]
Hilts, Michelle; Jirasek, Andrew
2008-01-01
X-ray computed tomography (CT) as a method of extracting 3D dose information from irradiated polymer gel dosimeters is showing potential as a practical means to implement gel dosimetry in a radiation therapy clinic. However, the response of CT contrast to dose is weak and noise reduction is critical in order to achieve adequate dose resolutions with this method. Phantom design and CT imaging technique have both been shown to decrease image noise. In addition, image postprocessing using noise reduction filtering techniques have been proposed. This work evaluates in detail the u...
"冠今" 一體成型近視泳鏡(未滅菌) | 合法醫療器材資訊網
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a2 inhibition protects | 合法醫療器材資訊網
hybrid gel phantom | 合法醫療器材資訊網
【"冠今" 一體成型近視泳鏡 (未滅菌)】許可證字號:衛部醫器陸輸壹字第002835號
器材品名:"冠今"一體成型近視泳鏡(未滅菌)許可證字號:衛部醫器陸輸壹字第002835號註銷狀態:註銷日期:註銷理由:有效日期:2021...