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可见光偏振图像的自适应融合算法
引用本文:曾海芳,顾国华,何伟基,杨蔚.可见光偏振图像的自适应融合算法[J].光子学报,2011,40(1):132-135.
作者姓名:曾海芳  顾国华  何伟基  杨蔚
作者单位:南京理工大学,电子工程与光电技术学院,南京,210094
基金项目:江苏省“青蓝工程”基金
摘    要:鉴于偏振图像能够增强目标特性识别的特点,提出了可见光下景物偏振信息采集的偏振系统及偏振图像的小波融合算法.在小波系数的低通子带选用基于窗口能量的融合规则,高通子带选用窗口空间频率的自适应加权融合规则.其中自相关函数的设定、模拟退火优化算法的应用提高了融合算法的鲁棒性和自适应性,融合后的图像具有良好的主观视觉效果及客观评...

关 键 词:偏振系统  小波融合算法  自相关函数  模拟退火优化算法
收稿时间:2010-07-09
修稿时间:2010-08-25

Adaptive Fusion Algorithm of Polarization Images in Visible Light
ZENG Hai-fang,GU Guo-hua,HE Wei-ji,YANG Wei.Adaptive Fusion Algorithm of Polarization Images in Visible Light[J].Acta Photonica Sinica,2011,40(1):132-135.
Authors:ZENG Hai-fang  GU Guo-hua  HE Wei-ji  YANG Wei
Abstract:Whereas the recognition of target characteristics could be enhanced by the polarization image, polarization system of visible light and the dual-tree complex wavelet (DTCWT) fusion algorithm of polarization image had been presented in this paper. In the low-pass sub-band of Wavelet coefficients, the fuse rule based window energy had been adopted, while in the high-pass sub-band, the rule of spatial frequency self-adaption weighted at window had been selected. The setting of autocorrelation and the application of simulated annealing algorithm greatly improved the robustness and adaptability of fusion. Fused image with good subjective quality and objective evaluation of performance had greatly enhanced the target and background contrast.
Keywords:polarization system  wavelet fusion algorithm  autocorrelation function  simulated annealing algorithm
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