Title :
Robust shape-matching criterion for precision tracking of moving objects in correlated image sequences
Author :
Cho, J.S. ; Park, D.J.
Author_Institution :
Dept. of Internet Media Eng., Korea Univ. of Technol. & Educ., Chungnam, South Korea
Abstract :
A robust shape-matching measure with a boundary detection preprocessor is proposed to track a moving object in complex image sequences. A correlation-tracking algorithm seeks to align the incoming target image with the reference image of the target. But it has a critical problem if we use the conventional block-matching criteria. This is the so-called ´false peak problem´, which is generally caused by highly correlated background pixels with similar intensities to the pixels of moving targets. The robustness of the proposed method for practical application is demonstrated by simulating two kinds of real-target image sequences.
Keywords :
Kalman filters; correlation methods; image sequences; motion estimation; target tracking; tracking filters; Kalman filter; boundary detection preprocessor; cluttered environments; comparative computer simulations; correlated image sequences; correlation-tracking algorithm; edge pixels; false peak problem; motion estimation; moving objects; precision tracking; robust shape-matching; tracking filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040027