A New Approach to Improve Tracking Performance of Moving Objects with Partial Occlusion.
الموضوعات : Journal of Computer & Robotics
Zahra Sahraei
1
(MSc Student of Computer and Information Technology Engineering, Qazvin Branch, Islamic Azad University)
Amir Masoud Eftekhari Moghadam
2
(Faculty of Computer and Information Technology Engineering, Qazvin Branch, Islamic Azad University, Qazvin)
الکلمات المفتاحية: Object tracking, Particle Filter, Salient Feature Points, Partial Occlusion,
ملخص المقالة :
< p>Tracking objects in video images has attracted much attention by machine vision and image processing researchers in recent years. Due to the importance of the subject, this paper presents a method for improving object tracking tasks with partial occlusion, which increases the efficiency of tracking. The proposed approach first performs a pre-processing and extracts the tracking targets from the image. Then the salient feature points are extracted from the targets that are moving objects. In the next step, the particle filter is used for tracking. The final steps are modifying points and updates. A new approach is used to determine the speed of the feature points because the speed of some points can be out of range and this causes errors in tracking especially when there is occlusion. The location of the new points is corrected and updated using the threshold values in modifying the process as needed. The experiments performed on the video sequence of PETS2000 database show that the precision and recall of the proposed approach are higher than other compared approaches.
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