McCann99算法的改进

顾耀林; 袁雪庚

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DOI: 10.11834/jig.2005012282
2005 | Volume 10 | Number 12

McCann99算法的改进

顾耀林¹, 袁雪庚¹(江南大学信息工程学院，无锡 214122)

摘要

分析了高动态范围图像(HDR)显示算法中的M cCann99算法,并针对其在亮、暗区域处理的缺陷,提出了改进方案。即结合了新近的研究结果,更换M cCann99中的初值,调整它的反射图像值等。实验结果表明,改进后的算法不但可以适应更高的动态范围图像的显示,而且有对比度可调的方便特性。

关键词

照度图像反射图像多分辨率图像高动态范围图像光晕

Improvement of McCann99 Algorithm

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Abstract

The analysis of McCann99 algorithm with regard to high dynamic image display is demonstrated here.The improved plot was proposed based on the weakness of McCann99 in dealing with very dark and light region of HDR images.Combining the new research result,the initial value and reflectance value were adjusted.In addition to the suitable visualization of HDR image,the improved algorithm also has the facility of contrast adjustment.

Keywords

illumination image reflectance image multi-resolution image HDR image halo

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