一种基于小波阈值的图像增强改进算法
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摘要
提出一种基于平滑滤波的小波阈值图像增强算法,利用邻域平均和小波阈值相结合的方法对图像进行平滑滤波处理。实验结果表明,该方法有利于图像去噪处理,同时边缘信息也得到了较好的保留,使图像具有更好的视觉效果。
This article proposes an improved image enhancement algorithm based on the smooth filter with wavelet threshold.In this method,neighborhood average and the wavelet threshold is integrated to achieve smoothing filtering for the image.The experimental result indicates that the method is advantageous to image noising processing,simultaneously the edge information also obtained the good retention,and improves the effect of image enhancement with good visual effect.
This article proposes an improved image enhancement algorithm based on the smooth filter with wavelet threshold.In this method,neighborhood average and the wavelet threshold is integrated to achieve smoothing filtering for the image.The experimental result indicates that the method is advantageous to image noising processing,simultaneously the edge information also obtained the good retention,and improves the effect of image enhancement with good visual effect.
引文
[1]姚敏.数字图像处理[M].北京:机械工业出版社,2006:1-216.
[2]杨福生.小波变换的工程分析与应用[M].北京:科学出版社,2003:32-153.
[3]Brown TJ.An adaptive strategy for wavelet based image en-hancement[C]//Proceedings of Irish Machine Vision andImage Proceeding Conference.Belfast:Northern Ireland,2000:256-275.
[4]李弼程,罗建书.小波分析及其应用[M].北京:电子工业出版社,2003.
[5]谭艳丽.一种基于边缘检测的小波阈值图像增强方法[J].科技情报开发与经济,2007,17(18):206-208.
[6]崔屹.数字图像处理技术与应用[M].北京:电子工业出版社,1997:105-200.
[7]James S Walker.A Primer on Wavelets and their ScientificApplications[M].CRC Press LLC,1999:9-36.
[8]张权,张晶,王欣.一种基于小波变换的图像边缘增强算法[J].计算机应用,2006,26(z1):49-50.
[9]陈武凡.小波分析及其在图像处理中的应用[M].北京:科学出版社,2003:223-300.
[10]郑治真.小波变换及其Matlab工具的应用[M].北京:地震出版社,2001:110-115.
[11]徐飞,施晓红.Matlab应用图像处理[M].西安:西安电子科技大学出版社,2002:56-189.
[12]Heric D,Potocnik B.Image enhancement by using direc-tional wavelet transform[J].Journal of Computing and In-formation Technology,2006,4(14):229-305.
[13]王晓凤,耿国华,郭红波.一种改进的图像增强算法及其应用[J].计算机应用与软件,2008,25(9):39-41.
[14]程远航,薛定宇,韩晓微.小波和曲波结合的图像增强算法[J].工程图学学报,2009(3):100-104.
[15]Stephane Mallat.信号处理的小波引导[M].杨力华,等译.北京:机械工业出版社,2002:136-150.
[16]刘劲,康志伟,何怡刚.基于小波变换的反锐化掩模图像增强新算法[J].计算机工程,2007,33(21):179-180.
[2]杨福生.小波变换的工程分析与应用[M].北京:科学出版社,2003:32-153.
[3]Brown TJ.An adaptive strategy for wavelet based image en-hancement[C]//Proceedings of Irish Machine Vision andImage Proceeding Conference.Belfast:Northern Ireland,2000:256-275.
[4]李弼程,罗建书.小波分析及其应用[M].北京:电子工业出版社,2003.
[5]谭艳丽.一种基于边缘检测的小波阈值图像增强方法[J].科技情报开发与经济,2007,17(18):206-208.
[6]崔屹.数字图像处理技术与应用[M].北京:电子工业出版社,1997:105-200.
[7]James S Walker.A Primer on Wavelets and their ScientificApplications[M].CRC Press LLC,1999:9-36.
[8]张权,张晶,王欣.一种基于小波变换的图像边缘增强算法[J].计算机应用,2006,26(z1):49-50.
[9]陈武凡.小波分析及其在图像处理中的应用[M].北京:科学出版社,2003:223-300.
[10]郑治真.小波变换及其Matlab工具的应用[M].北京:地震出版社,2001:110-115.
[11]徐飞,施晓红.Matlab应用图像处理[M].西安:西安电子科技大学出版社,2002:56-189.
[12]Heric D,Potocnik B.Image enhancement by using direc-tional wavelet transform[J].Journal of Computing and In-formation Technology,2006,4(14):229-305.
[13]王晓凤,耿国华,郭红波.一种改进的图像增强算法及其应用[J].计算机应用与软件,2008,25(9):39-41.
[14]程远航,薛定宇,韩晓微.小波和曲波结合的图像增强算法[J].工程图学学报,2009(3):100-104.
[15]Stephane Mallat.信号处理的小波引导[M].杨力华,等译.北京:机械工业出版社,2002:136-150.
[16]刘劲,康志伟,何怡刚.基于小波变换的反锐化掩模图像增强新算法[J].计算机工程,2007,33(21):179-180.
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