基于仿射变换的图象定位方法

Research on Image Tracking Based on Affine Transform

本文主要针对复杂地物背景下的一般图象目标,在应用本征空间方法进行鲁棒跟踪等方面做了大量研究工作.放弃了基于平移运动模型的传统相关算法,改用仿射变换运动模型,借助快速解法,在保持跟踪定位鲁棒性的基础上,实现了以实时的速度处理目标发生的旋转、平移、放缩等仿射变化.通过理论分析以及大量实验验证,配合以适当的模板更新策略,该方法可以构成一种替代传统互相关跟踪的新方法.

Mainly on the purpose of tracking general image target in complex background,much research has been done in applying eigenspace method to this area.Affine modal other than traditional translation modal is adopted.With the help of some fast resolve method,our new algorithm can dispose the object's changes,including rotation,translation,scaling and other affine changes,in real time speed.Theoretic analysis and a great deal experiments have come to such conclusion affine modal plus appropriate template update strategies can performance better than cross-relation method.