Pixel decomposition for tracking in low resolution videos

被引：0
|
作者：
Govinda, Vivekanand [1 ]
Ralph, Jason F. [1 ]
Spencer, Joseph W. [1 ]
Goulermas, John Y. [1 ]
Yang, Lihua [1 ]
Abbas, Alaa M. [2 ]
机构：
[1] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Merseyside, England
[2] Menoufia Univ, Fac Elect Engn, Menoufia 32952, Egypt
来源：
SIGNAL AND DATA PROCESSING OF SMALL TARGETS 2008 | 2008年 / 6969卷
关键词：
sub-pixel motion; pixel decomposition; un-mixing; colour tracking;
D O I：
10.1117/12.777502
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper describes a novel set of algorithms that allows indoor activity to be monitored using data from very low resolution imagers and other non-intrusive sensors. The objects are not resolved but activity may still be determined. This allows the use of such technology in sensitive environments where privacy must be maintained. Spectral un-mixing algorithms from remote sensing were adapted for this environment. These algorithms allow the fractional contributions from different colours within each pixel to be estimated and this is used to assist in the detection and monitoring of small objects or sub-pixel motion.
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页数：11
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