IMM-based Multiple Object Tracking using a State Prediction Neural Network

• URL: http://arxiv.org/abs/2609.13307v1
• Date: Thu, 10 Sep 2026 13:19:08 GMT
• Title: IMM-based Multiple Object Tracking using a State Prediction Neural Network
• Abstract summary: We propose a data-driven state PRedictor-based Interacting Multiple Model tracking method (PR-IMM)<n>PR-IMM improves nonlinear object-motion representation while preserving the stability and interpretability of physics-based motion models.<n> Experimental results show that PR-IMM reduces position-estimation error by 57.3% over the IMM and by 16.5% over the PR.
• Score: 5.276232626689568
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Object tracking is essential for autonomous vehicles to avoid obstacles and plan routes. Radar maintains detection performance even in adverse weather and can measure relative velocity through the Doppler effect, making it well suited for object tracking. In this paper, we propose a data-driven state PRedictor-based Interacting Multiple Model tracking method (PR-IMM) that improves nonlinear object-motion representation while preserving the stability and interpretability of physics-based motion models. The proposed method employs a transformer-based PRediction model (PR) that incorporates radar Doppler measurements to predict object displacement. The PR model is integrated into the IMM as a mode alongside the CV, CA, and CT motion models, and their prior positions are dynamically combined according to the mode probabilities. Experimental results show that PR-IMM reduces position-estimation error by 57.3% over the IMM and by 16.5% over the PR, while reducing ID switches by 25.3% and improving IDF1 by 9.6% over the IMM.

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