METHOD AND SYSTEM FOR REDUCING RINGING ARTIFACTS I

专利名称：METHOD AND SYSTEM FOR REDUCING

RINGING ARTIFACTS IN X-RAY IMAGE

发明人：Zhaoxia Zhang,Kun Tao,Xiao Xuan,Ming

Yan,Han Kang

申请号：US15481191申请日：20170406

公开号：US20170294001A1公开日：20171012

专利附图：

摘要：The present disclosure discloses a method for reducing ringing artifacts in an X-ray image, comprising: acquiring an X-ray image by scanning an object, wherein the X-ray

image comprises grid line artifacts; applying a first bandwidth filter and a secondbandwidth filter respectively to the X-ray image so as to obtain a filtered first image anda filtered second image, wherein the first bandwidth filter and the second bandwidth havedifferent bandwidths; constructing a weighting map according to the X-ray image; andfusing the filtered first image and the filtered second image with the weighting map so asto obtain an output image. The present disclosure also discloses a system using theabove method.

申请人：GENERAL ELECTRIC COMPANY

地址：Schenectady NY US

国籍：US

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