彩色图像四元数矩不变量的研究

朱明; 孙继刚; 郭立强

彩色图像四元数矩不变量的研究

1.
中国科学院长春光学精密机械与物理研究所,吉林长春 130033;
2.
中国科学院研究生院,北京 100039

详细信息

作者简介:
朱明(1964-),男,江西南昌人,研究员,博士生导师,主要从事图像处理、光电成像测量技术以及目标识别与电视跟踪技术等方面的研究。E-mail:zhu_mingca@163.com

中图分类号: TP391.4
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出版历程
- 收稿日期: 2011-07-21
- 修回日期: 2011-08-23
- 刊出日期: 2011-10-25

Quaternion moment invariant for color image

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;
2.
Graduate University of Chinese Academy of Sciences, Beijing 100039, China

摘要

摘要: 为了研究彩色图像的矩不变量特性,采用四元数进行彩色图像处理,以充分利用彩色图像的整体信息,实现彩色图像RGB并行处理。本文把传统灰度图像的矩不变量理论推广应用到四元数层面上来,定义了彩色图像的四元数矩并构造了该矩函数的仿射不变量。实验结果表明:所提出的彩色图像的四元数矩不变量的稳定性要优于L.V.Gool等人提出的彩色矩仿射不变量,其/u值提高了2个数量级。所提出的四元数仿射矩不变量可以作为模式识别中彩色目标的特征描述子来实现彩色图像目标的识别与跟踪。
- 彩色图像 /
- 四元数 /
- 四元数矩 /
- 仿射不变量
Abstract: In order to study moment invariants of color images, the quaternion is used to process color images and to implement the parallel processing of R, G and B components. Traditional complex moments for graylevel images are introduced to the quaternion, and the quaternion moments for describing a color image are presented. Then, the quaternion affine moment invariants are derived. Experimental results show that the stability of this method is superior to that of L.V.Gool's color affine moment invariants, and the value of /u have be improved by two orders of magnitude. The proposed quaternion moment invariants could be a useful tool in color pattern recognition and tracking.
- color image /
- quaternion /
- quaternion moment /
- affine moment invariant

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