一种基于灰度投影算法的车载电子稳像方法  

A Method of Vehicle-bone Electronic Image Stabilization Based on Gray Projection Algorithm

作　　者：李计添[1,2] 何永强[1] 陈财森[3] 王立邦[2] 

机构地区：[1]军械工程学院光学与电子工程系 [2]73661部队 [3]军械工程学院计算机工程系

出　　处：《红外技术》2010年第6期328-332,共5页Infrared Technology

基　　金：中国博士后科学基金资助项目;编号:20090461453

摘　　要：通过分析车辆载体运动的特点和产生车载摄像系统动态图像抖动的原因,阐明了对车载摄像系统动态图像系列进行电子稳像的必要性。运用灰度投影算法对车载动态图像系列进行实验,通过计算互信息值检验电子稳像效果,初步探讨了适用于车载电子稳像运动矢量估计的算法。实验表明了对车载动态图像系列进行稳像是必要的,验证了在只存在平移量或者旋转量较小的情况下,灰度投影算法的有效性。Features of vehicular motion and causes of producing dynamic image floating in the vehicular camera system are analyzed, and the necessity of carrying out electronic image stabilization for the dynamic image series in the vehicle camera system is illustrated. Employing the gray projection algorithm to conduct experiment and calculating mutual information value to evaluate the effect of the image stabilization, the algorithm of motion vector estimation available for vehicular electronic image stabilization is discussed. The experiment demonstrates that it is necessary to implement image stabilization, and the availability of the gray projection algorithm in the condition of only having translation error or less rotation error is also validated.

关 键 词：车载 动态图像 运动估计 灰度投影 互信息 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]