디지털콘텐츠학회 논문지 (Journal of Digital Contents Society)

  • 제18권8호
  • /
  • Pages.1641-1648
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  • 2017
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  • 1598-2009(pISSN)
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  • 2287-738X(eISSN)
한국디지털콘텐츠학회 (Digital Contents Society)
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컬러 이미지 변환을 이용한 노이즈 제거 방법 및 성능 비교

Performance comparison of Image De-nosing Techniques based on Color Model Transformation

  • 김태호 (청나 달튼 스쿨) ;
  • 김학란 (미시시피 주립대학교 계산공학과)
  • Kim, Taeho (Cheongna Dalton School) ;
  • Kim, Hakran (Department of Computational Engineering, Mississippi State University)
  • 투고 : 2017.10.31
  • 심사 : 2017.12.25
  • 발행 : 2017.12.31
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초록

본 논문의 주요 목적은 컬러 이미지에서의 노이즈 제거를 위한 다양한 필터들의 성능 분석 비교이다. 기존의 노이즈 제거 필터들에 대한 분석에서 한 발 더 나아가 RGB에서 HSV나 $YC_BC_R$로 컬러 모델변환을 하여 노이즈를 제거하는 방법을 제안하였다. 논문에서 사용된 예인 Median, Wiener, Mean 등의 노이즈 제거필터들의 성능 개선에 도움을 주기위해 고안했으며 현재까지는 컬러 이미지를 위한 필터들의 성능분석이나 컬러모델 변환을 이용한 개선 방법들이 제안된 바가 없다. 이에 영감을 받아서, 고안된 새로운 방법을 테스트 하였다. 실행해 본 결과, 현재 사용되고 있는 필터들 중에서 몇몇 필터들의 성능을 향상시켜서 컬러 이미지에서의 노이즈 제거에 큰 도움을 주는 것으로 나타났다.

The main purpose of this paper is to compare the performances of various filters with color images to remove the noise. Furthermore, we suggest a modified de-noising process by the transformation of color model from RGB to another color models, such as HSV and $YC_BC_R$, to improve the quality of de-noising methods encompassing Median, Wiener, and Mean filters. Neither the performance comparison of the de-noising filters with color images nor the converting the color model for better de-noise on the degraded images haven't been performed before. Inspired to make improvements, we conduct experiments with new de-noising process on color images. The result of the experiments is shown that it could assist on certain filters being more reliable techniques.

키워드

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