分析了Hermite型插值样条的基本特性,同时研究了图像放大时边缘区域产生模糊的原因,并考虑到数字图像实时传输的要求,给出了一类新的基于Hermite型插值样条的自适应图像插值算法.由于采用单核插值以及弹性边界的处理方法,提出的算法计算复杂性较小,且尽可能保持了边缘像素原有特征.数值模拟与仿真显示该方法比传统方法有更清晰的边界.
参考文献
[1] | Gonzalez R C,Woods R E.Digital Image Processing Using Matlab[M].Prentice Hall,2005. |
[2] | Shi J Z,Reichenbach S E.Image interpolation by two-dimensional parametric cubic convolution[J].IEEE Transactions on Image Processing,2006,15(7):1857-1870. |
[3] | Sun Qingjie,Zhang Xiaopeng,et al.A method of image zooming-in based on Bezier surface interpolation[J].Journal of Software(软件学报),1999,10(6):570-574(in Chinese). |
[4] | Li Jiangyun,Yang Xunnian,Wang Guozha.Patch-wise continuous approach to image zooming[J].Journal of Zhejiang University(Science Edition)(浙江大学学报),2002,29(5):530-534(in Chinese). |
[5] | Wu Jiying,Ruan Qiuqi.A two-layer constraint image interpolation model basing on both local and global information[J].Journal of Electronics and Information Technology(电子与信息学报),2008,30(1):144-148 (in Chinese). |
[6] | Chen M,Huang C H,Lee W L.A fast edge-oriented algorithm for image interpolation[J].Image and Vision Computing,2005,23:791-798. |
[7] | Battiato S,Gallo G,Stanco F.A locally adaptive zooming algorithm for digital images[J].Image and Vision Computing,2002,20:805-812. |
[8] | Aràndiga F,Donat R,Mulet P.Adaptive interpolation of images[J].Signal Processing,2003,83:459-464. |
[9] | Chuah C S,Leou J J.An adaptive image interpolation algorithm for image/video processing[J].Pattern Recognition,2001,34:2383-2393. |
[10] | Ramponi G.Warped distance for space-variant linear image interpolation[J].IEEE Trans.Ima.Proc.,1999,8(5):629-639. |
[11] | Zhang J J,Fang Y H,Yi W N.Fusion of polarimetric image based on Contourlet transform[J].Chinese Journal of Quantum Electronics(量子电子学报),2009,26(5):525-530(in Chinese). |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%