69.濾波反投影(filtered backprojection)影像重建法是使用下列何種濾波器,以移除單純使用反投影(backprojection)進行切面影像重建所造成之假影?
(A)rampfilter
(B)Butterworth filter
(C)Hann filter
(D)Gaussian filter
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統計: A(1307), B(268), C(97), D(161), E(0) #2742349
統計: A(1307), B(268), C(97), D(161), E(0) #2742349