Journal of the Institute of Convergence Signal Processing (융합신호처리학회논문지)

The Korea Institute of Convergence Signal Processing (한국융합신호처리학회)
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A Study of an Image Retrieval Method using Binary Subimage

이진 부분영상을 이용한 영상 검색 기법에 관한 연구

  • 정순영 (계명대학교 컴퓨터공학과) ;
  • 최민규 (대구미래대학 컴퓨터게임 제작과) ;
  • 남재열 (계명대학교 컴퓨터전자공학부)
  • Published : 2001.01.01
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Abstract

An image retrieval method combining shape information of 2-dimension color histograms with color information of HSI color histograms is proposed in this paper. In addition, the proposed method can find location information of image through the comparison of similarity among subimages. The suggested retrieval method applies the location information to shape and color information and can retrieve region information which is hard to distinguish in the binary image. Some simulation results show that it works very well in the behalf of precision/recall graph compare with conventional method which uses color histogram. Especially, the proposed method brought well effects such as rotations and transitions of the objects in an image was found.

본 논문에서는 이진 영상의 2차원 히스토그램을 이용하여 추출한 형태 정보와 HSI 컬러 좌표를 이용한 색상 정보를 결합한 영상 검색 기법을 제안한다. 또한, 제안된 방식은 부분영상의 유사도 비교를 통한 영상의 위치 정보를 추출한다 이 검색 기법을 형태 정보와 색상 정보에 활용함으로써 이진 영상으로 비교가 힘든 영역 정보의 검색도 가능하게 한다 그 결과 기존의 색상기반 영상 검색 기법에 비해 제안된 기법은 Frecision/Recall로 표현된 정량적 결과에서 훨씬 우수한 성능을 보임을 실험으로 확인할 수 있다. 특히, 제안된 검색 기법은 영상의 회전이나 객체의 이동 등이 발생한 영상에 대해서도 우수한 검색 효율을 보인다.

Keywords

References

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