首页> 外文会议>Biennial Australian Pattern Recognition Society Conference(DICTA2003) v.2; 2003; Sydney; AU >False-Peaks-Avoiding Mean Shift Method for Unsupervised Peak-Valley Sliding Image Segmentation
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False-Peaks-Avoiding Mean Shift Method for Unsupervised Peak-Valley Sliding Image Segmentation

机译:无监督峰谷滑移图像分割中的虚峰避免均值漂移方法

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摘要

The mean shift (MS) algorithm is sensitive to local peaks. In this paper, we show both empirically and analytically that when using sample data, the reconstructed PDF may have false peaks. We show how the occurrence of the false peaks is related to the bandwidth h of the kernel density estimator, using examples of gray-level image segmentation. It is well known that in MS-based approaches, the choice of h is important: we provide a quantitative relationship between false peaks and h. For the gray-level image segmentation problem, we provide a complete unsupervised peak-valley sliding algorithm for gray-level image segmentation.
机译:均值漂移(MS)算法对局部峰敏感。在本文中,我们从经验和分析上都表明,当使用样本数据时,重建的PDF可能会出现假峰。我们使用灰度级图像分割的示例来说明伪峰的出现与内核密度估计器的带宽h如何相关。众所周知,在基于MS的方法中,h的选择很重要:我们提供了假峰和h之间的定量关系。对于灰度图像分割问题,我们为灰度图像分割提供了一个完整的无监督峰谷滑动算法。

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