A simple quality assessment index for stereoscopic images based on 3D gradient magnitude.

A simple quality assessment index for stereoscopic images based on 3D gradient magnitude.
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DOI:
10.1155/2014/890562
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发表时间:
2014
影响因子:
--
通讯作者:
Jiang G
Jiang G
中科院分区:
其他
文献类型:
--
作者:
Wang S;Shao F;Li F;Yu M;Jiang G

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提出了一种基于三维梯度幅值的立体图像质量评价指标。更具体地说,我们从不同视差空间的立体图像中构建3D体积,并沿水平、垂直和视点三个方向沿着计算逐点3D梯度幅度相似性(3D-GMS)。然后,通过对3D体积中所有点的3D-GMS分数求平均来获得质量分数。在4个公开的3D图像质量评价数据库上的实验结果表明,与现有的大多数相关方法相比,该算法实现了与主观评价的高度一致性。
We present a simple quality assessment index for stereoscopic images based on 3D gradient magnitude. To be more specific, we construct 3D volume from the stereoscopic images across different disparity spaces and calculate pointwise 3D gradient magnitude similarity (3D-GMS) along three horizontal, vertical, and viewpoint directions. Then, the quality score is obtained by averaging the 3D-GMS scores of all points in the 3D volume. Experimental results on four publicly available 3D image quality assessment databases demonstrate that, in comparison with the most related existing methods, the devised algorithm achieves high consistency alignment with subjective assessment.
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