发明名称 Reduction of truncation caused artifacts
摘要 The Gibb's artifact in magnetic resonance images is reduced by asymmetrically sampling acquired F.I.D. signals to obtain data, time domain filtering the obtained data with a filter that reduces overshoot, degrades resolution but increases SNR. Then obtaining symmetrical data by complex conjugating the time domain filtered data which improves the resolution, compresses the overshoot, but decreases SNR. Processing the symmetrical data to obtain images with insignificant Gibb's artifacts.
申请公布号 US4950991(A) 申请公布日期 1990.08.21
申请号 US19890359488 申请日期 1989.05.31
申请人 ELSCINT LTD. 发明人 ZUR, YUVAL
分类号 G01R33/54;A61B5/055;G01R33/32;G01R33/56;G01R33/565;G01R33/567 主分类号 G01R33/54
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