计算机科学 ›› 2014, Vol. 41 ›› Issue (3): 76-79.
王浩,刘则芬,方宝富,陈金金
WANG Hao,LIU Ze-fen,FANG Bao-fu and CHEN Jin-jin
摘要: 人体姿态估计是计算机视觉领域中的一个关键问题,可用于行人检测、人体活动分析、人机交互以及视频监控等方面。针对基于树形图形结构模型的人体姿态估计算法中人体部件外观模型容易受到背景干扰的问题, 提出了基于先验分割和外观转换的外观模型的人体姿态估计算法以改进人体的外观模型。根据PS模型,使用人体检测器和前景加亮进行预处理,确定人体的大致位置和大小,同时移除背景上的杂斑,基于先验分割和外观转换机制来估计人体部件的外观模型。实验表明在不同的图像数据库中,该算法在使用人体检测器和前景加亮算法减少部件搜索空间的同时,提高了人体姿态估计的准确性。
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