融合相位一致性与二维主成分分析的视觉显著性预测

徐威; 唐振民

doi:10.11999/JEIT141478

融合相位一致性与二维主成分分析的视觉显著性预测

doi: 10.11999/JEIT141478

徐威¹,
唐振民¹

基金项目:

国家自然科学基金(61473154)

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- 文章访问数: 1368
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- 被引次数: 0
出版历程
- 收稿日期: 2014-11-24
- 修回日期: 2015-03-11
- 刊出日期: 2015-09-19

Integrating Phase Congruency and Two-dimensional Principal Component Analysis for Visual Saliency Prediction

Xu Wei¹,
Tang Zhen-min¹

摘要

摘要: 为了更加有效地预测图像中吸引视觉注意的关键区域，该文提出一种融合相位一致性与2维主成分分析(2DPCA)的显著性方法。该方法不同于传统的利用相位谱的方式，而是提出采用相位一致性(PC)获取图像中重要的特征点和边缘信息，经快速漂移超像素优化后，融合局部和全局颜色对比度，生成低层特征显著图。接着提出利用2DPCA提取图像块的主成分后，计算主成分空间中图像块的局部和全局可区分性，得到模式显著图。最后，通过空间离散度度量分配合适的权重，使两者融合，提取显著性区域。在两种人眼跟踪数据库上与5种经典算法的实验对比结果表明，该算法能更加准确地预测人眼视觉关注点。
- 图像处理 /
- 视觉显著性 /
- 人眼关注点预测 /
- 相位一致性 /
- 2维主成分分析
Abstract: In order to predict the pivotal visually attractive image regions more effectively, a novel saliency method using the phase congruency and the two-Dimensional Principal Component Analysis (2DPCA) is proposed in this paper. Firstly, the phase congruency is utilized to extract the most important feature points and the edge informations in the frequency domain, which is different from the conventional phase spectrum based methods. Then, after the quick shift superpixel based refinement, these features are incorporated with the local and global color contrast, to generate the low-level feature based saliency map. Then, the 2DPCA is adopted to extract the principal component vectors of image patches. The local and global distinctness between the different image patches in the principal component space are computed to get the pattern saliency map. Finally, these two complementary maps are integrated through the weighting strategy based on the spatial variance measure. The comparable experimental results on two benchmark eye tracking databases of the proposed method and 5 state-of-the-art methods show that the proposed method can predict eye fixation more accurately.
- Image processing /
- Visual saliency /
- Eye fixation prediction /
- Phase congruency /
- Two-Dimensional Principal Component Analysis (2DPCA)

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参考文献(18)

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