Preprint
Aug 2026
Simulation-to-real transfer learning for infrared spectroscopic chemical sensing and analysis from molecules to complex samples
UltraIR is introduced, a foundation model for IR spectroscopy with more than 100 million parameters that enables simulation-to-real transfer learning for chemical sensing and analysis from molecules to complex samples and outperforms conventional machine-learning and task-specific deep-learning baselines.
Yu-Sen Tan, Yixuan Chen, Zheng Fang et al.
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