Contrast enhancement for sentinel lymph node imaging

K. Ogawa, H. Fujii, Y. Kitagawa, A. Kubo

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The paper proposes a new contrast enhancement method for sentinel lymph node imaging. The sentinel lymph node image acquired by a conventional gamma camera system has a wide dynamic range, so that the contrast of sentinel lymph nodes relatively decreases. The proposed method, which is named an annular background subtraction (ABS) method, first found the center of the distribution of activity. Then we calculated the mean value in each annular area centered at the injection point of radiopharmaceuticals with one pixel width. The original image was subtracted by the mean value at each annular area. The performance of the proposed method was confirmed by clinical data.

本文言語English
ページ(範囲)317-323
ページ数7
ジャーナルKaku igaku. The Japanese journal of nuclear medicine
38
4
出版ステータスPublished - 2001 7
外部発表はい

ASJC Scopus subject areas

  • 放射線学、核医学およびイメージング

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