灰度对象关联中Bhattacharyya系数的偏置性

ISPA 2005. Proceedings of the 4th International Symposium on Image and Signal Processing and Analysis, 2005. Pub Date : 2005-10-24 DOI:10.4304/jmm.1.1.56-61

M. S. Khalid, M. U. Ilyas, M. Sarfaraz, M. A. Ajaz

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引用次数: 58

摘要

Bhattacharyya系数是一种流行的方法，它使用颜色直方图来关联图像。在本文中，我们表明，当这种方法应用于灰度图像时，它会产生偏差的结果。通过在杂乱和非杂乱环境中对不同类型的非刚性机动物体进行大量实验，探索并证明了偏置性。将Bhattacharyya曲线的光谱性能与空间匹配准则即均方差进行了比较。

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Biased nature of Bhattacharyya coefficient in correlation of gray-scale objects

Bhattacharyya coefficient is a popular method that uses color histograms to correlate images. In this paper, we show that when this method is applied to gray scale images, it produces biased results. The biased nature is explored and demonstrated through numerous experiments with different kinds of non-rigid maneuvering objects in cluttered and less cluttered environments. The spectral performance of the Bhattacharyya curve is compared with the spatial matching criterion i.e. mean square difference.

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ISPA 2005. Proceedings of the 4th International Symposium on Image and Signal Processing and Analysis, 2005.

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