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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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C4_5
说明: matlab源代码 C4.5决策树算法的matlab实现(C4.5)
- 2010-04-07 22:59:30下载
- 积分:1
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1-3
Cranck Nicholson heat equation
- 2017-01-28 16:19:15下载
- 积分:1
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最出色的孩子
我在许多语言和研究计算机编写程序和我螺柱的修补程序的计算机的硬件。今天是个好日子。
- 2022-04-08 10:12:35下载
- 积分:1
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lp
说明: 基于matlab的车牌的定位,车牌的提取和车牌的识别程序。(Matlab license plate on the positioning of the extraction plate and license plate recognition program.)
- 2011-11-01 11:54:51下载
- 积分:1
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sat_VSI_24_Pulse
Twenty Four pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation technique.
- 2012-01-23 20:47:53下载
- 积分:1
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DG
说明: 分布式发电技术的潮流计算,将分布式电源视为PQ与PV节点,再代入配电网络,进行简化计算(The trend of distributed generation computing technology, distributed power regarded as PQ and PV node, and then substituted into the distribution network for simplified calculation)
- 2015-06-22 12:15:40下载
- 积分:1
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CP_OFDM_SISO_MATLAB_仿真
带CP的OFDM的传输系统的(包括发送端和接收端)MATLAB仿真代码(cp-ofdm transmission system including send and receive)
- 2017-11-08 16:53:51下载
- 积分:1
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GaussJordan
matlab编写的适用于数值分析求解线性方程组的程序(matlab numerical analysis prepared for the procedure for solving linear equations)
- 2009-12-07 21:11:36下载
- 积分:1
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chaojishihzong
超级时钟的程序,值得收藏,很经典的,用C语言编写,运行可靠!(Super-clock program, worthy of collection, very classic, with the C language, and reliable operation!)
- 2010-12-01 21:01:30下载
- 积分:1