DOI QR코드

DOI QR Code

Efficient Contrast Enhancement Using Histogram Specification

히스토그램 명세화를 이용한 효율적인 영상 대비 향상

  • Received : 2010.09.28
  • Accepted : 2010.12.17
  • Published : 2010.12.31

Abstract

In this paper, an efficient contrast enhancement algorithm using histogram specification is proposed. Histogram equalization and its modified methods have been effective techniques for contrast enhancement. However, they often result in excessive contrast enhancement. Besides conventional histogram specification also has a problem to get the desired histogram. We propose a method that utilizes a simple high frequency filter to get the desired histogram. The proposed technique not only produces better visual results than conventional contrast enhancement techniques, but is also adaptively adjusted to the statistical characteristics of the image.

Keywords

Histogram;Equalization;Specification

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