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5. PHASE CORRECTION AND BAND-PASS FILTERS IN CT IMAGING

PHASE CORRECTION AND BAND-PASS FILTERS IN CT IMAGING

来源 :核技术：英文版 | 被引量 : 0次 | 上传用户：changewu1

【摘 要】

：

This paper reports the use of the fast Fourier transform (FFT) in the direct Fourier transform method (DFM) in Computerized Tomography (CT) reconstruction. Phas

【作 者】

：

赵生妹 蒋大真 

【机 构】

：

ShanghaiInstituteofNuclearResearchAcademiaSinica,ShanghaiInstituteofNuclearResearchAcademiaSinica

【出 处】

：

核技术：英文版

【发表日期】

：

1993年2期

【关键词】

：

CT imaging Phase CORRECTION BAND-PASS FILTERS FOURIER TRANSFORMATION PADDING CT 

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This paper reports the use of the fast Fourier transform (FFT) in the direct Fourier transform method (DFM) in Computerized Tomography (CT) reconstruction. Phase corrections are needed in the CT reconstruction. In order to eliminate the image distortion f

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