A thin and soft optical tactile sensor for highly sensitive object perception. - Yanchen Shen; Kohei Tsuji; Haruto Koizumi; Jiseon Hong; Tomoaki Niiyama; Hiroyuki Kuwabara; Hayato Ishida; Jun Hiramitsu; Mitsuhito Mase; Satoshi Sunada (CoRR, 2026)