非线性拉伸自动模式下图像对比度增强

2018 XIV-th International Conference on Perspective Technologies and Methods in MEMS Design (MEMSTECH) Pub Date : 2018-04-18 DOI:10.1109/MEMSTECH.2018.8365712

S. Yelmanov, Y. Romanyshyn

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引用次数: 11

摘要

研究了自动模式下的图像增强问题。提出了一种利用亮度尺度分段线性变换的自适应非线性拉伸对比度增强方法，该方法使变换后图像的亮度平均值最接近亮度范围的中间值。利用已知的图像积分对比度无参考度量，对本文提出的方法和已知的单色图像非线性拉伸方法的有效性进行了研究。

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Image contrast enhancement in automatic mode by nonlinear stretching

The problem of image enhancement in automatic mode is considered. A new method of contrast enhancement by adaptive nonlinear stretching using piecewise linear transformation of the brightness scale is proposed at which the average value of the brightness of transformed image is closest to the middle of the brightness range. The research of the effectiveness of the proposed and known methods of nonlinear stretching of monochrome images using the known no-reference metrics of integral contrast of image is carried out.

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2018 XIV-th International Conference on Perspective Technologies and Methods in MEMS Design (MEMSTECH)

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