Journal of the Institute of Electronics Engineers of Korea SP (대한전자공학회논문지SP)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Block based Normalized Numeric Image Descriptor

블록기반 정규화 된 이미지 수 표현자

  • Received : 2011.10.25
  • Accepted : 2012.01.27
  • Published : 2012.03.25
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Abstract

This paper describes a normalized numeric image descriptor used to assess the luminance and contrast of the image. The proposed image descriptor used the each pixel data as weighted value of the probability density function (PDF) and defined by normalization in order to objective represent. The proposed image numeric descriptor can be used to the adaptive gamma process because it suggests the objective basis of the gamma value selection.

본 논문에서는 이미지 밝기와 명암을 명확하고 객관적으로 평가하기 위한 정규화된 수 표현자를 제안한다. 제안하는 수 표현자는 이미지를 구성하는 각각의 픽셀 데이터 값을 확률밀도함수(PDF)의 가중치로 사용하고 이를 정규화하여 객관적으로 표현되도록 정의되었다. 제안된 정규화 된 이미지 수 표현자는 감마보정 처리 시에 객관적인 감마 값 선택 기준을 제시하므로 적응형 감마보정처리가 가능하다.

Keywords

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