Ryuichi Kohzawa

Papers

Total Citations

H-Index

About

Ryuichi Kohzawa is a robotics researcher specializing in auditory perception and sound localization systems for robotic platforms. His work focuses on equipping robots with sophisticated hearing capabilities that mirror biological auditory processing, particularly through the use of pinnae — the external ear structures that play a crucial role in how humans and animals perceive sound directionality. Kohzawa's most significant contributions center on developing robust methods for three-dimensional sound localization in robotic systems. His influential 2005 paper, "Audio Servo for Robotic Systems with Pinnae" (20 citations), pioneered the use of binaural cues — including interaural time difference (ITD) and interaural intensity difference (IID) — to enable horizontal sound localization. Building on this foundation, his 2006 work on spectral cues (17 citations) extended these capabilities to vertical sound localization using just two microphones and pinnae, offering a practical and elegant solution to a complex sensory challenge. His research has meaningfully advanced the field of auditory robotics by demonstrating that biologically inspired ear structures can dramatically improve a robot's ability to orient toward sound sources in three-dimensional space. This work has implications for human-robot interaction, autonomous navigation, and the development of robots capable of operating effectively in real-world acoustic environments.