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논문 기본 정보

자료유형
학술저널
저자정보
Zhang, Yunjie (Department of Mathematics, Dalian Maritime University) Li, Yi (Department of Mathematics, Dalian Maritime University, Department of Computer & Information Engineering College, Heilongjiang Institute of Science and Technology) Gao, Zhijun (Department of Computer & Information Engineering College, Heilongjiang Institute of Science and Technology) Wang, Weina (Department of Mathematics, Dalian Maritime University, Department of Mathematic, Jilin Institute of Chemical Technology)
저널정보
한국전산응용수학회 Journal of applied mathematics & informatics Journal of applied mathematics & informatics 제26권 제3호
발행연도
2008.1
수록면
661 - 672 (12page)

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In this paper an algorithm, based on extracting a certain target of an image, is proposed that is capable of performing bilevel thresholding of image with multimodal distribution. Each pixel in the image has a membership value which is used to denote the characteristic relationship between the pixel and its belonging region (i.e. the object or background). Using the membership values of image set, a new measurement, which simultaneously measures the measure of fuzziness and the conditional entropy of the image, is calculated. Then, thresholds are found by optimally minimizing calculated measurement. In addition, a fuzzy range is defined to improve the threshold values. The experimental results demonstrate that the proposed approach can select the thresholds automatically and effectively extract the meaningful target from the input image. The resulting image can preserve the object region we target very well.

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