视频监控中运动图像序列三维重建Three-dimensional reconstruction of moving image sequence in video surveillance
胡红权
摘要(Abstract):
视频监控中运动图像序列三维重建一直是三维重建研究的重点,其重建效果会对运动图像的清晰度产生影响。但当前三维重建方法都是通过获取二维视频监控中的运动图像序列,通过基于Java Applet与Java Application编程,采用体绘制法完成视频监控中二维运动图像序列的三维重建,该方法无法保证重建后的图像质量,导致图像清晰度不高。为此,提出基于图像特征点提取与匹配的视频监控中运动图像序列三维重建方法。首先,对视频监控中运动图像序列特征点进行检测,并对特征点一定邻域内图像的纹理、结构以及其他特征进行统计,通过对运动图像序列特征点的特征比较,完成运动图像序列特征点提取与匹配;然后,对视频监控中运动图像序列的结构和运动初始化,并进行视频监控相机的自标定,实现对视频监控中运动图像序列的三维重建。实验结果表明,所提方法能够有效提高三维重建后视频监控中运动图像序列的清晰度,减少三维重建流程,提高运动图像序列重建效率,具有良好的使用价值。
关键词(KeyWords): 视频监控;清晰度;特征点;匹配;运动图像序列;三维重建
基金项目(Foundation):
作者(Author): 胡红权
DOI: 10.16652/j.issn.1004-373x.2018.03.016
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