Filtering Jump Markov Systems with Partially Known Dynamics: A Model-Based Deep Learning Approach

• URL: http://arxiv.org/abs/2511.09569v1
• Date: Fri, 14 Nov 2025 01:00:18 GMT
• Title: Filtering Jump Markov Systems with Partially Known Dynamics: A Model-Based Deep Learning Approach
• Authors: George Stamatelis, George C. Alexandropoulos,
• Abstract summary: JMFNet is a novel model-based deep learning framework for real-time state-state estimation in jump Markov systems.<n>A hybrid architecture comprising two Recurrent Neural Networks (RNNs) is proposed.<n>The proposed RNNs are trained jointly using an alternating least squares strategy that enables mutual adaptation without supervision of the latent modes.
• Score: 33.421237778335076
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper presents the Jump Markov Filtering Network (JMFNet), a novel model-based deep learning framework for real-time state-state estimation in jump Markov systems with unknown noise statistics and mode transition dynamics. A hybrid architecture comprising two Recurrent Neural Networks (RNNs) is proposed: one for mode prediction and another for filtering that is based on a mode-augmented version of the recently presented KalmanNet architecture. The proposed RNNs are trained jointly using an alternating least squares strategy that enables mutual adaptation without supervision of the latent modes. Extensive numerical experiments on linear and nonlinear systems, including target tracking, pendulum angle tracking, Lorenz attractor dynamics, and a real-life dataset demonstrate that the proposed JMFNet framework outperforms classical model-based filters (e.g., interacting multiple models and particle filters) as well as model-free deep learning baselines, particularly in non-stationary and high-noise regimes. It is also showcased that JMFNet achieves a small yet meaningful improvement over the KalmanNet framework, which becomes much more pronounced in complicated systems or long trajectories. Finally, the method's performance is empirically validated to be consistent and reliable, exhibiting low sensitivity to initial conditions, hyperparameter selection, as well as to incorrect model knowledge

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