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中国科学院 长春光学精密机械与物理研究所,吉林 长春,中国,130033
收稿日期:2005-04-22,
修回日期:2005-09-18,
网络出版日期:2005-12-30,
纸质出版日期:2005-12-30
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孙 辉, 张 葆, 刘晶红. 基于维纳滤波的运动模糊消除算法 及其在航空成像系统中的应用[J]. 光学精密工程, 2005,13(6):735-740.
SUN Hui, ZHANG Bao, LIU Jing-hong. Restoration of motion-blurred image based on Wiener filter and its application in aerial imaging system[J]. Optics and precision engineering, 2005, 13(6): 735-740.
分析了航空成像系统运动模糊产生的机理
通过建立运动模糊数学模型
进行了消除运动模糊仿真实验。研究表明
由于成像系统与地面目标景物的相对运动
在目标图像上产生运动模糊
图像复原技术可以消除图像模糊。在图像复原技术中
点扩散函数(PSF)是影响图像恢复结果的关键因素
文中给出了估计点扩散函数的一般方法。虽然维纳滤波可以解决在逆滤波中
H(u
v)
零点噪声放大问题
但是在图像边缘附近误差较大。采用带最优窗的维纳滤波方法可有效抑制噪声和减小边缘误差。对实验平台获取的运动模糊图像进行实验
结果表明在图像边缘像素灰度平滑条件下
可以收到近乎完美的恢复效果。
The mechanism of generation of motion-blurred image was given. A mathematics model of motion-blurred image was built up. In addition
A procedure for estimating Point Spread Function(PSF) of motion-blurred was provided. The aerial vehicle platform and related system were quickly moving relative to ground target during the image data collection.The image might become blurred. The motion-blurred images could be restored using restoration of image. In restoration methods
Wiener filter is less sensitive to noise than inverse filter for the restoration of motion-blurred images
however
there is a large edge-error. This paper presents the optimal window technique for the restoration of motion-blurred images. With these optimal windows
near-perfect restorations can be obtained if the images vary gradually in intensity near their edge.
. 孙智信.世界电子信息装备[M]. 长沙:国防科技大学出版社.2001. SUN ZH X. World electronic information equipment[M]. Changsha: National University of Defense Technology Press. 2001.(in Chinese)
. 贾平,张葆. 航空光电侦察平台关键技术及其发展 . 光学 精密工程,2003,11(1):82-88. JIA P, ZHANG B. Critical technologies and their development for airborne opto-electronic reconnaissance platforms[J].Optics and Precision Engineering, 2003,11(1):82-88.(in Chinese)
. 颜昌翔,王家骐. 航空相机像移补偿计算的坐标变换方法[J]. 光学 精密工程,2000,8(3):203-207. YAN CH X,WANG J Q. Method of coordinate transformation for IM&IMC calculation in aerospace camera system[J].Optics and Precision Engineering,2000,8(3):203-207.(in Chinese)
. TEKALP A M,崔之祜. 数字视频处理[M]. 北京:电子工业出版社,1998. TEKALP A M,CHUI ZH G. Digital video processing[M]. Beijing: Electronics Industry Press, 1998.(in Chinese)
. 章毓晋.图象工程:图象处理和分析[M]. 北京:清华大学出版社,1999. ZHANG Y J. Image engineering:Image processing and analysis[M]. Beijing: Tsinghua University Press, 1999.(in Chinese)
. 容观澳.计算机图象处理[M]. 北京:清华大学出版社,2000. RONG G A. Computer image processing[M]. Beijing: Tsinghua University Press, 1999.(in Chinese)
. 王晓红,赵蓉椿. 任意方向运动模糊的消除[J]. 中国图象图形学报,2000,5(6):525-529. WANG X H ZHAO R CH. Restoration of arbitrary direction motion-blurred images[J]. Journal of Image and Graphics, 2000,5(6):525-529.(in Chinese)
. LIM H, TAN K CH, TAN B T G. Edge errors in inverse and Wiener filter restorations of motion-blurred images and their windowing treatment[J]. CVGIP, 1991,53:186-195.
. TAN K CH,LIM H,TAN B T G. Restoration of real-world motion-blurred images[J]. CVGIP, 1991,53: 291-299.
. TAN K CH,LIM H,TAN B T G. Windowing techniques for image restoration[J]. CVGIP, 1991,53: 491-500.
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