TY - INPR A1 - Nagamine, Takayuki JF - Onsei Kenkyu UR - https://www.psj.gr.jp/eng/ ID - discovery10206179 N1 - This version is the author accepted manuscript. For information on re-use, please refer to the publisher?s terms and conditions. AV - restricted Y1 - 2025/03/31/ TI - Quantifying between-speaker variation in ultrasound tongue imaging data ER -