Cerebrovascular Segmentation from CTA and MRA Image

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  • 頭部CTA・MRA画像からの血管領域の抽出
  • トウブ CTA ・ MRA ガゾウ カラ ノ ケッカン リョウイキ ノ チュウシュツ

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Abstract

Radiation therapy is one of treatment technique for tumor. In the treatment, tumor parts are exposed by radiation beams from several angles. To avoid radiation exposure to normal tissues in the treatment, radiation beams are aimed accurately to tumor. Consequently, to comprehend tumor parts from CT and/or MR images is important in treatment planning. The tumor parts are displayed effectively by applying the image registration between CT and MR images. Feature based image registration technique is one of typical approaches for image registration. In this study, to develop assistance system of radiation therapy for brain tumor, cerebrovascular segmentation method which is utilized as feature position detection of image registration technique for head CTA and MRA images has been proposed. Availability of proposed method has been investigated by applying to head CTA and MRA images.

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