A fine-tuning framework that uses all available satellite bands via a residual gated adapter and allocates LoRA ranks by stage-level transferability, improving cross-sensor segmentation at lower parameter cost.
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SPECTRA: Band-Routed Embedding and Stage-Wise LoRA for Cross-Sensor Fine-Tuning of Geospatial Foundation Models
A fine-tuning framework that uses all available satellite bands via a residual gated adapter and allocates LoRA ranks by stage-level transferability, improving cross-sensor segmentation at lower parameter cost.