改进矢量外推Richardson-Lucy算法在波前编码图像复原中的应用
Experimental Studies on Improved Vector Extrapolation Richardson-Lucy Algorithm Used to Realize Wave-front Coded Imaging
查看参考文献26篇
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文摘
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将指数修正嵌入到矢量外推框架中,构建了一种改进的矢量外推Richardson-Lucy算法。以结构相似度因子作为评价指标,优化彩色图像三通道最佳迭代次数,确定矢量外推加速参量与指数修正加速参量最优组合.试验结果表明:改进的矢量外推Richardson-Lucy算法总迭代次数减少了78.9%,能有效抑制噪声放大,无需后续处理就能获得视觉质量更好的复原效果.该研究可为Richardson-Lucy算法在实时波前编码成像中的应用提供参考. |
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其他语种文摘
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An improved vector extrapolation based on Richardson-Lucy algorithm was designed by embedding the modified exponent into the vector extrapolation.The structural similarity index was used as a criterion to determine the optimum iterations and optimum combinations of two acceleration factors. Experimental results show that total iterations are reduced approximately 78.9%and visually satisfactory restoration results can be obtained without denoising the restored image further.This work provides a reference for the development of the Richardson-Lucy algorithm in the application of real-time wave-front coded imaging. |
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来源
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光子学报
,2019,48(6):0611003 【核心库】
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DOI
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10.3788/gzxb20194806.0611003
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关键词
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波前编码
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计算成像
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图像复原
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Richardson-Lucy算法
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矢量外推
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地址
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1.
中国科学院西安光学精密机械研究所空间光学应用研究室, 西安, 710119
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陕西师范大学, 西安, 710119
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中国科学院大学, 北京, 100049
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1004-4213 |
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学科
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物理学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:6524606
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