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消除光照影响的背景减除算法

DOI: 10.11834/jig.20090727

Keywords: 背景减除,亮度变化,图割,能量最小化

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Abstract:

为了准确分离图像中的对象与背景信息,并使得分离效果不受图像中光照变化的影响,提出了一种改进的图像背景减除算法。首先,算法使用改进的图割方法进行背景减除,提高减除效果。其次,算法提出颜色衰减模型和对比度衰减模型,改进能量公式中的颜色分量和对比度分量,消除光照变化对于减除结果的影响。最后,针对分离出的二值图像,提出利用形态学操作和空洞填充策略予以优化补偿,优化最终图像分离的结果。实验结果表明,当原始图像和背景图像光线强度差别较大,或光线被对象遮挡的情况下,相比于传统背景减除算法,该算法的减除效果仍然较好。该算法适用于复杂环境下图像中对象提取。

References

[1]  Kolmogorov V,Criminisi A,Blake A,Bi-layer segraentation of binocular stereo video,Washington,DC:USA,2005.
[2]  Boykov Y,Gareth F,Graph cuts and efficient N-D image segmentation,International Journal of Computer Vision,2006(2).
[3]  Li K,Wu X,Chen D Z,Optimal surface segmentation in volumetric images-a graph-theoretic approach,IEEE Transactions on Pattern Analysis and Pattern Recognition,2005(1).
[4]  Bray M,Kohli P,Tort P H S,Posecut:Simultaneous segmentation and 3D pose estimation of humans using dynamic graph-cuts,Graz,Austria,2006.
[5]  Kohli P,Tort P H S,Measuring uncertainty in graph cut solutions-efficiently computing rain-marginal energies using dynamic graph cuts,Graz,Austria,2006.
[6]  Juan O,Boykov Y,Active graph cuts,Washington,DC:USA,2006.
[7]  Boykov Y,Kolmogorov V,An experimental comparison of Min-cut/ Max-flow algorithms for energy minimization,IEEE Transactions on Pattern Analysis and Machine Intelligence,2004(9).
[8]  Wang J,Bhat P,Colburn H A,Interactive video cutout,Los Angeles,California,2005.
[9]  Kolmogorov V,Zabih R,Gortler S,Generalized multi-camera scene reconstruction using graph cute,Energy Minimization Methods in Computer Vision and Pattern Recognition,2003(2003).
[10]  Sun J,Zhang W,Tang X,Background cut,Graz,Austria,2006.
[11]  Boykov Y,Veksler O,Graph cuts in vision and graphics:theories and applications,Bedin,Germany:Springer,2006.
[12]  Jianbo S,Malik J,Normalized cuts and image segmentation,IEEE Transactions on Pattern Analysis and Machine Intelligence,2000(8).
[13]  Greig D,Porteous B,Seheult A,Exact maximum a posteriori estimation for binary images,Journal of the Royal Statistical Society,1989(2).
[14]  Boykov Y,Funka-lea G,Graph cots and efficient NDImage segnentation,International Journal of Computer Vision,2006(2).
[15]  Rother C,Blake A,Kolmogorov V,Grnbcut interactive foreground extraction using iterated graph cuts,2004.

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