Abstract
The paper presents a case study on the performance of the interactive multiple motion (IMM) model technique in tracking more than one target, especially when the targets are crossing each other during their motion. We have used a selective approach in choosing multiple motion models, thus providing wider coverage to track straight line as well as manoeuvring targets. Initially, there are two motion models in the system to track each target. The probability of each model being correct is computed through a likelihood function for each. The study presents a simple technique to introduce additional models into the system using deterministic acceleration, which basically defines the dynamics of the system. Therefore, based on this value, more motion models are employed to increase the coverage. Finally, the combined estimate is obtained using posteriori probabilities from different filter models. The case study shows that when targets are well separated from each other and may be manoeuvring, the system adequately tracks them. However, when the targets are close to each other or when they cross each other, the system performance decreases and large tracking error occurs.
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Hussain, D.M.A., Haq, S.A., Khan, M.Z.U., Ahmed, Z. (2008). Case Study: Investigating the Performance of Interactive Multiple Motion Model Algorithm for a Crossing Target Scenario. In: Hussain, D.M.A., Rajput, A.Q.K., Chowdhry, B.S., Gee, Q. (eds) Wireless Networks, Information Processing and Systems. IMTIC 2008. Communications in Computer and Information Science, vol 20. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89853-5_36
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DOI: https://doi.org/10.1007/978-3-540-89853-5_36
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