Ryota Mitsuhashi

According to our database, Ryota Mitsuhashi authored at least 9 papers between 2017 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

MO-GRPO: Mitigating Reward Hacking of Group Relative Policy Optimization on Multi-Objective Problems.

Yuki Ichihara, Yuu Jinnai, Tetsuro Morimura, Mitsuki Sakamoto, Ryota Mitsuhashi, Eiji Uchibe

CoRR, September, 2025

2020

Removing the influence of light on the face from display in iPPG.

Kaito Iuchi, Ryota Mitsuhashi, Takashi Goto, Akira Matsubara, Takahiro Hirayama, Hideki Hashizume, Norimichi Tsumura

Artif. Life Robotics, 2020

Stress levels estimation from facial video based on non-contact measurement of pulse wave.

Kaito Iuchi, Ryota Mitsuhashi, Takashi Goto, Akira Matsubara, Takahiro Hirayama, Hideki Hashizume, Norimichi Tsumura

Artif. Life Robotics, 2020

Relationship between sexual attractiveness and heart rate variability in heterosexual men observing photos and self-introduction movies of women.

Natsuki Ikisawa, Ryota Mitsuhashi, Shoji Yamamoto, Norimichi Tsumura

Artif. Life Robotics, 2020

2019

Noncontact heart rate measurement using a high-sensitivity camera in a low-light environment.

Genki Okada, Ryota Mitsuhashi, Keiichiro Kagawa, Shoji Kawahito, Norimichi Tsumura

Artif. Life Robotics, 2019

Video-Based Stress Level Measurement Using Imaging Photoplethysmography.

Ryota Mitsuhashi, Kaito Iuchi, Takashi Goto, Akira Matsubara, Takahiro Hirayama, Hideki Hashizume, Norimichi Tsumura

Proceedings of the IEEE International Conference on Multimedia & Expo Workshops, 2019

2018

Noncontact pulse wave detection by two-band infrared video-based measurement on face without visible lighting.

Ryota Mitsuhashi, Genki Okada, Koki Kurita, Keiichiro Kagawa, Shoji Kawahito, Chawan Koopipat, Norimichi Tsumura

Artif. Life Robotics, 2018

Dual-Band Infrared Video-Based Measurement Using Pulse Wave Maps to Analyze Heart Rate Variability.

Ryota Mitsuhashi, Keiichiro Kagawa, Shoji Kawahito, Chawan Koopipat, Norimichi Tsumura

Proceedings of the 26th Color and Imaging Conference, 2018

2017

Two-Band Infrared Video-Based Measurement for Non-Contact Pulse Wave Detection on Face without Visible Lighting.

Ryota Mitsuhashi, Genki Okada, Koki Kurita, Keiichiro Kagawa, Shoji Kawahito, Chawan Koopipat, Norimichi Tsumura

Proceedings of the 25th Color and Imaging Conference, 2017