Dear editor, Target tracking has been a subject of intense scholarly research in past decades. Many parallel processors [1–4] and efficient tracking algorithms based on feature extraction [3–5] have been… Click to show full abstract
Dear editor, Target tracking has been a subject of intense scholarly research in past decades. Many parallel processors [1–4] and efficient tracking algorithms based on feature extraction [3–5] have been proposed to meet the requirements of high-speed tracking. However, the tracking algorithms are all based on a single descriptor so that the description for the target is not comprehensive and the target is prone to be missed in complex scenery. The tracking algorithms involve histogram statistics, which would consume most of the algorithm running time, and the previous parallel processors cannot support a fast calculation of a statistical histogram.
               
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