TL;DR
DeTracker is a novel framework for vehicle detection and tracking in unstabilized satellite videos, utilizing motion decoupling and temporal feature fusion to improve accuracy and robustness.
Contribution
It introduces a global-local motion decoupling module and a temporal feature pyramid, along with a new benchmark dataset for unstabilized satellite video tracking.
Findings
DeTracker achieves 61.1% MOTA on the SDM-Car-SU dataset.
DeTracker outperforms existing methods on simulated and real satellite videos.
The proposed modules improve trajectory stability and identity consistency.
Abstract
Satellite videos provide continuous observations of surface dynamics but pose significant challenges for multi-object tracking (MOT), especially under unstabilized conditions where platform jitter and the weak appearance of tiny objects jointly degrade tracking performance. To address this problem, we propose DeTracker, a joint-detection-and-tracking framework tailored for unstabilized satellite videos. DeTracker introduces a task-driven Global-Local Motion Decoupling (GLMD) module to address the motion imbalance between dominant platform motion and weak target motion. It suppresses background-dominated motion via global semantic alignment at the feature level and captures target-specific motion through local refinement, improving trajectory stability and identity consistency. In addition, a Temporal Dependency Feature Pyramid (TDFP) module is developed to perform cross-frame temporal…
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