New color correction method of multi-view images for view rendering in free-viewpoint television

New color correction method of multi-view images for view rendering in free-viewpoint television
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用于自由视点电视视图渲染的多视点图像色彩校正新方法

DOI:
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发表时间:
2008-05
期刊:
WSEAS TRANSACTIONS ON COMPUTERS
影响因子:
--
通讯作者:
蒋刚毅
蒋刚毅
中科院分区:
其他
文献类型:
--
作者:
郁梅;邵枫;蒋刚毅

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在多视点视频成像应用(如自由视点电视)中,视点间的颜色不一致性是需要解决的重要问题。到目前为止,已经提出了一些颜色校正方法,主要是为了一致的颜色外观或高编码效率,其中使用均值、方差或协方差信息来传递颜色信息。本文提出了一种基于颜色恢复和线性回归技术的多视点图像颜色校正方法。我们首先从场景中分离前景和背景的平均去除视差估计。然后利用颜色恢复技术重建前景和背景的原始颜色信息。然后利用线性回归技术估计彩色恢复图像的校正参数。最后,实现了参考图像和颜色校正图像之间的颜色校正和视图绘制。实验结果表明,该方法能获得较好的色彩校正效果和视图绘制效果。
Color inconsistency between views is an important problem to be solved in multi-view video imaging application, such as free viewpoint television. Up to now, some color correction methods have been proposed mainly for consistent color appearance or high coding efficiency, in which the mean, variance, or covariance information are used to transfer color information. In this paper, by using color restoration and linear regression technique, a new color correction method of multi-view images is proposed for view rendering. We first separate foreground and background from scene by mean-removed disparity estimation. Then color restoration is used to reconstruct the original color information for foreground and background. And then linear regression technique is used to estimate correction parameters for color restored image. Finally, color correction and view rendering between reference image and color corrected image are implemented. Experimental results show that he proposed method can achieve better performances of color correction and view rendering.
DOI: 10.1109/cvpr.2004.24
发表时间: 2004
期刊: Proceedings of the 2004 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2004. CVPR 2004.
影响因子: --
作者:
Gözde B. Ünal;A. Yezzi
通讯作者: A. Yezzi
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发表时间: 1988-07
期刊: IEEE Trans. Acoust. Speech Signal Process.
影响因子: --
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