The joint research paper "Waveform-Guide Transformation of IMU Measurements for Smartphone-Based Localization" by the research team led by Prof. Seong-Lyun Kim at Yonsei University, Dr. Seung-Min Yu at the Korea Railroad Research Institute, and Prof. Seung-Woo Ko at Inha University, was published in the IEEE Sensors Journal (Q1, Impact Factor: 4.3) in July 2023. The research, which utilizes a deep learning network to calibrate smartphone sensor information for indoor positioning, is expected to find applications in railway stations and logistics centers.