计算机科学 ›› 2018, Vol. 45 ›› Issue (8): 36-40.doi: 10.11896/j.issn.1002-137X.2018.08.007
方正1, , 曹铁勇1, 付铁连2
FANG Zheng1, CAO Tie-yong1, FU Tie-lian2
摘要: 运动模糊是由于物体与成像系统间的相对运动而形成的,匀速直线模糊图像的复原需要得到精确的模糊参数。根据理论,匀速直线运动模糊的模糊参数与频谱中的零点有关,其频谱暗线数目与模糊尺度有关,且频谱暗线与角度垂直。在检测频谱暗线时,由于受到图像结构或者噪声影响,难以准确定位频谱暗线;同时,图像长宽比的不同也会影响频谱结构。针对以上问题,文中利用形态学中的Bottom-hat操作对模糊图像频谱进行处理,并对处理后的频谱采用霍夫变换得到模糊角度,再利用模糊角度和中心零点距离得出模糊尺度。实验结果表明,该方法检测模糊尺度的误差小于0.25个像素,角度小于0.6°,且拥有较好的稳定性,可以正确检测不同尺度和内容模糊图像的模糊参数。
中图分类号:
[1]BABACAN S D,MOLINA R,DO M N,et al.Bayesian Blind Deconvolution with General Sparse Image Priors∥Computer Vision - ECCV 2012.Springer Berlin Heidelberg,2012:341-355. [2]HU W,XUE J,ZHENG N.PSF estimation via gradient domain correlation.IEEE Transactions on Image Processing A Publication of the IEEE Signal Processing Society,2012,21(1):386-392. [3]GUO Y C,DING X P,GAO C.Identifying Size of Motion-blurred Image Based on Difference Auto-correlation Method.Opto-Electronic Engineering,2011,38(6):134-140.(in Chinese)郭永彩,丁小平,高潮.基于差分自相关的运动模糊图像尺度参数识别.光电工程,2011,38(6):134-140. [4]SUN H,LI Z Q.Estimation of displacement parameters for uniform linear motion-blurred images based on phase-only correlation.Chinese Optics,2012,5(2):174-180.(in Chinese)孙辉,李志强.基于相位相关的匀速直线运动模糊图像位移参数估计.中国光学,2012,5(2):174-180. [5]NI S J,LI X Y,WU T T.Identification of blur parameters of motion-blurred image.Computer Engineering and Applications,2013,49(6):152-155.(in Chinese)倪时金,李星野,吴婷婷.运动模糊图像的PSF参数辨识.计算机工程与应用,2013,49(6):152-155. [6]CHEN Z K,HAN B,WANG F B,et al.Blur parameter identification of motion blurred image and restore motion blurred image based on line-by-line method.Science Technology and Engineering,2016(5):177-181.(in Chinese)陈至坤,韩斌,王福斌,等.运动模糊图像模糊参数辨识与逐行法恢复.科学技术与工程,2016(5):177-181. [7]XIAN G,YAN C X,ZHANG X J.Motion-blurred image point spread function estimation method based on spectral analysis.Chinese Journal of Liquid Crystals and Displays,2014,29(5):751-755.(in Chinese)贤光,颜昌翔,张新洁.运动模糊图像点扩散函数的频谱估计法.液晶与显示,2014,29(5):751-755. [8]LOKHANDE R,ARYA K V,GUPTA P.Identification of pa-rameters and restoration of motion blurred images∥ACM Symposium on Applied Computing.2006:301-305. [9]SHI M Z,XU T F ,ZHANG K.Total variation image restoration for mixed blur in moving image.Optics and Precision Engineering,2011,19(8):1973-1981.(in Chinese)石明珠,许廷发,张坤.运动成像混合模糊的全变分图像复原.光学精密工程,2011,19(8):1973-1981. [10]SHI M Z,XU T F,LIANG J,et al.PSF estimation via gradient cepstrum analysis for single blurred image.Acta Physica Si-nica,2013,62(17):174204.(in Chinese)石明珠,许廷发,梁炯,等.单幅模糊图像点扩散函数估计的梯度倒谱分析方法研究.物理学报,2013,62(17):174204. [11]DESHPANDE A M,PATNAIK S.A novel modified cepstralbased technique for blind estimation of motion blur.Optik - International Journal for Light and Electron Optics,2014,125(2):606-615. [12]LI H S,ZHANG Y N,YAO R,et al.Parameter estimation of linear motion blur based on principal component analysis.Optics and Precision Engineering,2013,21(10):2656-2663.(in Chinese)李海森,张艳宁,姚睿,等.基于主成分分析的直线运动模糊参数估计.光学精密工程,2013,21(10):2656-2663. [13]YAN R M,SHAO L.Blind Image Blur Estimation via DeepLearning.IEEE Transactions on Image Processing,2016,25(4):1910-1921. [14]DASH R,MAJHI B.Motion blur parameters estimation for ima-ge restoration.Optik - International Journal for Light and Electron Optics,2014,125(5):1634-1640. [15]ZHANG M Q.Research on parameters estimation and restoration of motion-blurred images.Chengdu:University of Electronic Science and Technology of China,2009.(in Chinese)张明谦.运动模糊图像的运动参数估计及复原研究.成都:电子科技大学,2009. [16]SHI M Z.Motion Blur Image Resroration Theory and KeyTechnology based on Total Variation.Beijing:Beijing Institute of Technology,2014.(in Chinese)石明珠.运动模糊图像全变分复原理论及关键技术研究.北京:北京理工大学,2014. |
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