归一化偏差本体反射特征的研究

Study of Normalized Deviation Body Reflection

使图像获得不受光照和几何条件影响的颜色特性描述是实现颜色便常性的关键。利用双色反射模型和有限维线性模型，提取归一化偏差本体反射特征，被实验证明是实现颜色恒常性的一个重要途径。本文详细阐述了归一化偏差本体反射特征的特性，其计算方法，应用的前提条件，以及应用限制，并在实际图像处理中，考虑到了这些影响的因素。

It is essential for realizing color constancy to acquire color descriptors that are not affected by illumination and geometry conditions. To combine dichromatic reflection model with the finite dimensional linear model to derive the normalized deviation body reflectance, has been demonstrated to be an important method to realize color constancy.In the present work, we studied the properties of the normalized deviation body reflectance, its computational method, as well as constrains of its application.