Minkowski-MambaNet: A Point Cloud Framework with Selective State Space Models for Forest Biomass Quantification

• URL: http://arxiv.org/abs/2510.09367v1
• Date: Fri, 10 Oct 2025 13:24:00 GMT
• Title: Minkowski-MambaNet: A Point Cloud Framework with Selective State Space Models for Forest Biomass Quantification
• Authors: Jinxiang Tu, Dayong Ren, Fei Shi, Zhenhong Jia, Yahong Ren, Jiwei Qin, Fang He,
• Abstract summary: Minkowski-MambaNet is a novel deep learning framework that directly estimates volume and AGB from raw LiDAR.<n>It significantly outperforms state-of-the-art methods, providing more accurate and robust estimates.<n>This work offers a powerful tool for large-scale forest biomass analysis, advancing LiDAR-based forest inventories.
• Score: 22.400724952302923
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Accurate forest biomass quantification is vital for carbon cycle monitoring. While airborne LiDAR excels at capturing 3D forest structure, directly estimating woody volume and Aboveground Biomass (AGB) from point clouds is challenging due to difficulties in modeling long-range dependencies needed to distinguish trees.We propose Minkowski-MambaNet, a novel deep learning framework that directly estimates volume and AGB from raw LiDAR. Its key innovation is integrating the Mamba model's Selective State Space Model (SSM) into a Minkowski network, enabling effective encoding of global context and long-range dependencies for improved tree differentiation. Skip connections are incorporated to enhance features and accelerate convergence.Evaluated on Danish National Forest Inventory LiDAR data, Minkowski-MambaNet significantly outperforms state-of-the-art methods, providing more accurate and robust estimates. Crucially, it requires no Digital Terrain Model (DTM) and is robust to boundary artifacts. This work offers a powerful tool for large-scale forest biomass analysis, advancing LiDAR-based forest inventories.

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