Self-adaptive niching differential evolution and its application to semi-fragile watermarking for two-dimensional barcodes on mobile phone screen. - Satoshi Ono; Takeru Maehara; Hirokazu Sakaguchi; Daisuke Taniyama; Ryo Ikeda; Shigeru Nakayama (GECCO (Companion), 2013)

Semi-fragile watermark design for detecting illegal two-dimensional barcodes by evolutionary multi-objective optimization. - Satoshi Ono; Takeru Maehara; Kentaro Nakai; Ryo Ikeda; Koutaro Taniguchi (GECCO (Companion), 2014)

Watermark design of two-dimensional barcodes on mobile phone display by evolutionary multi-objective optimization. - Takeru Maehara; Kentaro Nakai; Ryo Ikeda; Koutaro Taniguchi; Satoshi Ono (SCIS&ISIS, 2014)

Digital Video Watermark Optimization for Detecting Replicated Two-Dimensional Barcodes. - Takeru Maehara; Ryo Ikeda; Satoshi Ono (IWDW, 2015)

Watermark Embedding and Extraction Scheme Design by Two-stage Optimization for Illegal Replication Detection of Two-dimensional Barcodes. - Satoshi Ono; Kentaro Nakai; Takeru Maehara; Ryo Ikeda (VISAPP (3), 2015)

Development of a Magnetic Compound Fluid Rubber Stability Sensor and a Novel Production Technique via Combination of Natural, Chloroprene and Silicone Rubbers. - Kunio Shimada; Ryo Ikeda; Hiroshige Kikura 001; Hideharu Takahashi (Sensors, 2019)

Novel Adhesion Technique Using Metallic or Non-Metallic Hydrous Oxide of Metal Complexes Involving Magnetic Compound Fluid Rubber under Electrolytic Polymerization and Magnetic Field for Producing Sensors. - Kunio Shimada; Hiroshige Kikura 001; Hideharu Takahashi; Ryo Ikeda (Sensors, 2019)

Preliminary Investigation of Tapping Force on Pressure-Sensitive Touchscreen for Expanding Input Vocabulary on Smartphone. - Ryo Ikeda; Yuta Urushiyama; Buntarou Shizuki (AsianCHI@CHI, 2020)

Japanese Patterns as NFC Antennas for Interactive Urushi-ware. - Keita Saito; Takuto Nakamura; Kazushi Kamezawa; Ryo Ikeda; Yuki Hashimoto; Buntarou Shizuki (TEI, 2020)

Enhancement of Diversity in Production and Application Utilizing Electrolytically Polymerized Rubber Sensors with MCF: 1st Report on Consummate Fabrication Combining Varied Kinds of Constituents with Porous Permeant Stocking-Like Rubber. - Kunio Shimada; Ryo Ikeda; Hiroshige Kikura 001; Hideharu Takahashi (Sensors, 2020)

Enhancement of Diversity in Production and Applications Utilizing Electrolytically Polymerized Rubber Sensors with MCF: The Second Report on Various Engineering Applications. - Kunio Shimada; Ryo Ikeda; Hiroshige Kikura 001; Hideharu Takahashi (Sensors, 2020)

Preliminary Investigation of Text Entry Method with Haptic Feedback from Real Object Surfaces Estimated Using Hand Tracking on HMD. - Rio Hirai; Ryo Ikeda; Buntarou Shizuki (AsianCHI@CHI, 2021)

Hover-Based Reachability Technique for Executing Single-Touch Gesture on Smartphone. - Ryo Ikeda; Kyohei Hakka; Buntarou Shizuki (AsianCHI@CHI, 2021)

Morphological Fabrication of Rubber Cutaneous Receptors Embedded in a Stretchable Skin-Mimicking Human Tissue by the Utilization of Hybrid Fluid. - Kunio Shimada; Ryo Ikeda; Hiroshige Kikura 001; Hideharu Takahashi (Sensors, 2021)

Argument Reduction of Constrained Horn Clauses Using Equality Constraints. - Ryo Ikeda; Ryosuke Sato 001; Naoki Kobayashi 001 (APLAS, 2023)