Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Pseudo Feature Point Removal using Pixel Connectivity Tracing

픽셀 연결성 추적을 이용한 의사 특징점 제거

  • Kim, Kang (Dept. of Tourism Information Processing, Kangwon Tourism University) ;
  • Lee, Keon-Ik (Dept. of Computer Science, Kangwon University)
  • 김강 (강원관광대학 관광정보처리과) ;
  • 이건익 (강원대학교 컴퓨터공학과)
  • Received : 2011.04.20
  • Accepted : 2011.06.01
  • Published : 2011.08.31
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Abstract

In this paper, using pixel connectivity tracking feature to remove a doctor has been studied. Feature extraction method is a method using the crossing. However, by crossing a lot of feature extraction method sis a doctor. Extracted using the method of crossing the wrong feature to remove them from the downside and the eight pixels around the fork to trace if it satisfies the conditions in the actual feature extraction and feature conditions are not satisfied because the doctor was removed. To evaluate the performance using crossing methods and extracted using pixel connectivity trace was compared to the actual feature, the experimental results using pixel connectivity trace arcuate sentence, croissants sentence, sentence the defrost feature on your doctor about47%, respectively, 40%, 30%were found to remove.

본 논문에서는 픽셀 연결성 추적을 이용한 의사 특징점 제거에 관하여 연구하였다. 특징점을 추출하는 방법에는 교차수를 이용한 방법이 있다. 그러나 교차수를 이용한 방법에서는 의사 특징점이 많이 추출된다. 교차수를 이용한 방법에서 잘못 추출된 특징점들을 제거하기 위하여 단점과 분기점 주위에 있는 8개 픽셀을 추적하여 조건을 만족하는 경우 실제 특징점으로 추출하고 조건을 만족하지 않는 경우 의사 특징점이므로 제거하였다. 성능 평가를 위하여 교차수를 이용한 방법과 픽셀 연결성 추적을 이용하여 추출된 실제 특징점을 비교하였으며, 실험결과 픽셀 연결성 추적을 이용하여 궁상문형, 와상문형, 제상문형에 대하여 의사특징점이 각각 47%, 40%, 30% 제거되었음을 알 수 있었다.

Keywords

References

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