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The paper introduces KAN-FIF, a lightweight neural network architecture leveraging Kolmogorov-Arnold Networks (KANs) with spline parameterization to estimate tropical cyclone intensity from meteorological satellite data. KAN-FIF addresses the limitations of existing physics-guided models, which suffer from high parameter counts and computational inefficiency due to their inability to capture complex feature interactions. Experiments demonstrate that KAN-FIF achieves superior accuracy with significantly reduced parameters and faster inference speed compared to baseline models like Phy-CoCo, making it suitable for deployment on resource-constrained edge devices.
Get 95% smaller, faster, and more accurate tropical cyclone intensity estimates by replacing linear feature interactions with spline-parameterized neural operators.
Tropical cyclones (TC) are among the most destructive natural disasters, causing catastrophic damage to coastal regions through extreme winds, heavy rainfall, and storm surges. Timely monitoring of tropical cyclones is crucial for reducing loss of life and property, yet it is hindered by the computational inefficiency and high parameter counts of existing methods on resource-constrained edge devices. Current physics-guided models suffer from linear feature interactions that fail to capture high-order polynomial relationships between TC attributes, leading to inflated model sizes and hardware incompatibility. To overcome these challenges, this study introduces the Kolmogorov-Arnold Network-based Feature Interaction Framework (KAN-FIF), a lightweight multimodal architecture that integrates MLP and CNN layers with spline-parameterized KAN layers. For Maximum Sustained Wind (MSW) prediction, experiments demonstrate that the KAN-FIF framework achieves a $94.8\%$ reduction in parameters (0.99MB vs 19MB) and $68.7\%$ faster inference per sample (2.3ms vs 7.35ms) compared to baseline model Phy-CoCo, while maintaining superior accuracy with $32.5\%$ lower MAE. The offline deployment experiment of the FY-4 series meteorological satellite processor on the Qingyun-1000 development board achieved a 14.41ms per-sample inference latency with the KAN-FIF framework, demonstrating promising feasibility for operational TC monitoring and extending deployability to edge-device AI applications. The code is released at https://github.com/Jinglin-Zhang/KAN-FIF.