The KIPS Transactions:PartB (정보처리학회논문지B)

Korea Information Processing Society (한국정보처리학회)
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Medical Image Database for Morphometric and Functional Analysis of Brain Images

뇌 영상의 형태적 및 기능적 분석을 위한 의료 영상 데이터베이스

  • 김태우 (삼성종합기술원 의료전자랩)
  • Published : 2001.04.01
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Abstract

본 논문에서는 시각화와 공간적, 속성 혼합 쿼리를 수행할 수 있는 관계형 데이터베이스를 설계하고 구현하였다. 쿼리에 사용되는 데이터형은 슬라이스, MPR, 볼륨 렌더링으로 시각화할 수 있으며, 쿼리는 아탈라스를 이용하는 경우와 그렇지 않는 경우를모두 고려하였다. 영상 데이터는 공간충전 곡선으로 공간적으로 클러스트링한 후 무손실 압축하여 데이터베이스에 저장된다. 본 논문은 저장 데이터의 양을 줄이기 위하여 관심영역의 크기에 따라 창의 크기가 변하는 적응적 Hibert 곡선을 제안하였으며, 실험에서 Hibert 곡선의 적용한 데이터보다 약 1.15배 높은 압축율을 보였다. 또한 아틀라스에 대한 뇌종양의 공간적 쿼리 결과를 통하여 본 의료 영상 데이터베이스의 유용성을 보였다.

Keywords

References

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