The 21th International Conference on Near Infrared Spectroscopy (NIR 2023) was held on August 20-24 2023 in Innsbruck-Austria.

    Professor Xihui Bian made a oral report and poster report entitled “Advance Denoisiong Methods for Spectral Analysis based on Decomposition Algorithms”and “Variable Selection Methods Based on Swarm Intelligence Optimization Algorithms”, respectively.