本文给出了一种基于样本库的人脸图像超分辨率方法,这一方法结合了人脸图像全局相似性和局部特征相似性的约束.局部结构的相似性将超分辨率解约束到人脸局部结构空间,不同尺度上的局部相似性指导搜索最优解,然后将局部结构重建的人脸图像投影到由人脸图像确定的特征人脸空间.实验结果表明该算法得到的人脸具有很好的准确性和视觉效果.
参考文献
| [1] | Katsaggelos A K.Digital Image Restoration[M].Springer-verlag,1989 |
| [2] | Moon Gi Kang;Katsaggelos A.K. .Simultaneous multichannel image restoration and estimation of the regularization parameters[J].IEEE Transactions on Image Processing,1997(5):774-778. |
| [3] | Schultz R.R.;Stevenson R.L. .A Bayesian approach to image expansion for improved definition[J].IEEE Transactions on Image Processing,1994(3):233-242. |
| [4] | Schultz R.R.;Stevenson R.L. .Extraction of high-resolution frames from video sequences[J].IEEE Transactions on Image Processing,1996(6):996-1011. |
| [5] | Sezan A M;Tekalp A .Superresolution video reconstruction with arbitary sampling lattices and nonzero aperture time[J].IEEE Transactions on Image Processing,1997,6(08):1064-1076. |
| [6] | Nguyen N;Milanfar P .A wavelet-based interpolation-restoration method for superresolution[J].Circuits Systems and Signal Process,2000,19(40):321-338. |
| [7] | Baker S.;Kanade T. .Limits on super-resolution and how to break them[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,2002(9):1167-1183. |
| [8] | Strombeck J R .Superresolution with artificial neural networks[EB/OL].http://www.dd.chalmers.se/～f96jost/superresolution/superresolution.htm,2007-10-09. |
| [9] | Chang H;Yeung D Y;Xiong Y M.Super-resolution through neighbor embedding[A].,2004:275-282. |
| [10] | Gunturk B K;Batur A U;Altunbasak Y;Hayes M H Mersereau R M .Eigenface-domain super-resolution for face recognition[J].IEEE Transactions on Image Processing,2003,12(05):597-606. |
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%