用离散正交多项式进行深度图的特征检测

Using Discrete Orthogonal Polynomials to Detect Characteristics of Range images

本文介绍一种利用离散正交多项式进行物体表面局部曲面拟合以检测物体的特征的方法.该方法的拟合涵数力双变量二阶多项式,用该方法对深度图进行特征检测,可避免直接对深度图数据进行数值差分,减少噪声对特征的影响.

In this paper a method of using discrete orthogonal polynomials to fitting local surface of object in order to detect characteristics of range images is presented.The fitting function is a bivariate polynomial with order up to two. The advantage of using this method to detect characteristics is that the direct numerical differentiation to range image can be avoided and the noise effect to the detected results can be reduced.