Journal of KIISE:Computing Practices and Letters (한국정보과학회논문지:컴퓨팅의 실제 및 레터)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
권호 표지

Clipart Image Retrieval System using Shape Information

모양 정보를 이용한 클립아트 이미지 검색 시스템

  • Cheong, Seong-Il (Dept. of Computer Engineering, Kyungpook National University) ;
  • Kim, Seung-Ho (Dept. of Computer Engineering, Kyungpook National University)
  • 정성일 (경북대학교 컴퓨터공학과) ;
  • 김승호 (경북대학교 컴퓨터공학과)
  • Published : 2002.02.01
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Abstract

This paper presented a method of extracting shape information from a clipart image and then measured the similarity between clipart images using the extracted shape information. The results indicated that the outlines of the extracted clipart images were clearer that those of the original images. Previous methods of extracting shape information could be classified into outline-based methods and region-based methods. Included in the former category, the proposed method expressed the convex and concave aspects of an outline using the ratio of a rectangle. Accordingly, the proposed method was superior in expressing shape information than previous outline-based feature methods.

본 논문에서는 클립아트 이미지에서 모양 정보를 추출하고 이 정보를 이용하여 클립아트 이미지의 유사도를 측정하는 방법을 제안하였다. 본 논문에서 사용하는 클립아트 이미지는 자연영상에 비해 외곽선을 명확하게 추출할 수 있다는 장점이 있다. 이미지에서 모양 정보를 추출하는 이전의 방법은 모양의 외곽선을 이용하는 것과 영역을 이용하는 것으로 분류할 수 있는데 본 논문에서는 모양의 외곽선을 이용하는 것으로 외곽선의 오목한 부분과 볼록한 부분을 직사각형의 비율로 표현하는 방식을 제안하였다. 이렇게 함으로서 기존의 외곽선 기반 특징을 이용하는 방식보다 모양 정보를 더욱 잘 표현할 수 있었다.

Keywords

References

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