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14 August 2019 A high-speed multi-scale kernel correlation filter tracking algorithm
Bin Fu, Zongxi Song, Feng Wang, Wei Gao, Shuang Zhang, Jiwei Liu
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Proceedings Volume 11179, Eleventh International Conference on Digital Image Processing (ICDIP 2019); 111793Z (2019) https://doi.org/10.1117/12.2539759
Event: Eleventh International Conference on Digital Image Processing (ICDIP 2019), 2019, Guangzhou, China
Abstract
Recently, Kernel Correlation Filter (KCF) is recognized as one of the best visual tracking algorithms which provide excellent tracking performance and high possessing speed. However, how to adapt to the scale change of target in real time and accurately is still an open problem. In this paper, a multi-scale improved method based on one-dimensional scale correlation filtering is proposed. We use the kernel function to solve the regularized least squares classifier, and the translation filter template is obtained to estimate the target position. Then, we collect a series of samples of different scales at the target position to construct a one-dimensional scale filter template for estimating the most suitable scale. The filter is learned and updated online in the tracking process. In scale estimation, we employed the dimension reduction method to reduce the computational complexity, and the interpolation method is used to increase the number of multi-scale to obtain more accurate scale location. A number of experimental results and data show that the target region overlap rate and tracking rate of the improved algorithm are improved by 9% and 60% on average compared with the best of other scale adaptive tracking algorithms. Compared with the KCF algorithm, the average position tracking error is reduced by 23.9% and the overlap rate is increased by 46%.
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Bin Fu, Zongxi Song, Feng Wang, Wei Gao, Shuang Zhang, and Jiwei Liu "A high-speed multi-scale kernel correlation filter tracking algorithm", Proc. SPIE 11179, Eleventh International Conference on Digital Image Processing (ICDIP 2019), 111793Z (14 August 2019); https://doi.org/10.1117/12.2539759
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KEYWORDS
Detection and tracking algorithms
Electronic filtering
Image filtering
Video
Target detection
Dimension reduction
Optical tracking
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