EchoNose: Sensing Mouth, Breathing and Tongue Gestures inside Oral Cavity using a Non-contact Nose Interface. - Rujia Sun; Xiaohe Zhou; Benjamin Steeper; Ruidong Zhang; Sicheng Yin; Ke Li 013; Shengzhang Wu; Sam Tilsen; François Guimbretière; Cheng Zhang 022 (ISWC, 2023)