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高效高精度的自动鉴别运动模糊
摘 要:曝光瞬间造成图像模糊的运动通常作为直线运动近似处理 ,若能找出模糊图像的运动模糊方向 ,并将之旋转到水平轴 ,则二维问题可简化为一维来处理 ,大大简化由模糊图像估计出运动模糊点扩散函数以及图像恢复的过程 ,并为图像恢复的并行计算创造有利条件。由于运动模糊降低了运动方向上图像的高频成
分 ,沿着运动方向实施高通滤波 方向微分 ,可保证微分图像灰度值 绝对值 之和最小。基于此 ,本文利用双线性插值的方法 ,固定并适当选取方向微分的微元大小 ,构造出3 ×3方向微分乘子 ,得到了高效高精度的自动鉴别运动模糊方向的新方法 ,并通过数值实验进行了验证。(?
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Abstract:Thedirectionofthemotionwhichblurstheimagecanbedealtwithasunchangingduringtheshortexposingtime.If
itisidentified,theblurreddirectioncanberotatedtothehorizontalaxis,andtheimagerestorationcanbeworkedouteasilyinone
dimension.Anexcellentsimplemodelforimagerystatisticsisthatofaspatiallyisotropicfirst 2orderMarkovprocess.The
autocorrelationoftheoriginalimageanditspowerspectrumareassumedtobeapproximatelyisotropic.Themotionblurring
decreasestheoriginalimage ’shighfrequencycontentsinthemotiondirection.Thus,aderivativeoftheimageinthemotion
directionwouldsuppressmoreimageintensitythanaderivationinotherdirection.Thenthemotiondirectionisidentifiedfromthe
blurredimage.Thederivationmatrixisthekeyfortheidentification.Weselectaproprietyunchangingstepforthedirection
derivation,a3 ×rectionderivationmatrixisthenconstructedbyusingthedoublelineinterposition.This3 ×3directio)
- 2009-05-23 19:17:38下载
- 积分：1
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CW-with-LFM
CW脉冲和LFM信号Matlab仿真图像以及源代码(CW pulse and LFM signal Matlab simulation images and source code)
- 2015-01-18 23:57:18下载
- 积分：1
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presentation
inverter 400 voltage good
- 2013-05-23 20:03:40下载
- 积分：1
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three-plate-PSO
在三波片式电光晶体结构中利用粒子群优化算法进行模拟的matlab代码(In the three-wave-piece electro-optic crystal structure using particle swarm optimization algorithm simulation matlab code)
- 2013-05-25 10:11:26下载
- 积分：1
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4wayMVA
GUI for Multivariate Image Analysis of 4-dimensional data (Matlab Code)(GUI for Multivariate Image Analysis of 4-d imensional data (Matlab Code))
- 2006-05-19 00:58:30下载
- 积分：1
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xport
Xport Transport Stream Demuxer
Updated 09/06/2007 - current version is 0.98(Xport Transport Stream Demuxer
Updated 09/06/2007- current version is 0.98)
- 2007-09-25 17:34:43下载
- 积分：1
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xiaoboquzao
利用小波去噪的程序，还不错，可以借签一下(Wavelet denoising procedure, not bad)
- 2010-10-26 15:48:26下载
- 积分：1
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nn-files
nn codes for classification
- 2012-11-12 14:17:26下载
- 积分：1
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model
说明： 可以用于光储充微网系统的容量配置仿真计算，从而最优化其经济效益(It can be used to simulate the capacity allocation of optical storage and charging microgrid system, so as to optimize its economic benefits.)
- 2021-04-23 09:48:48下载
- 积分：1
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SEM
structure EM
- 2008-12-04 12:30:29下载
- 积分：1
