Y. Nishizawa
Papers
7
Total Citations
194
H-Index
5
About
Y. Nishizawa has built a distinctive research career at the intersection of robotics, computer vision, and autonomous navigation, with a sustained focus on enabling mobile robots to perceive and move through real-world environments. His most significant contribution is the invention and development of COPIS (Conic Projection Image Sensor), an innovative omnidirectional image sensor that uses a conic mirror to passively capture a full 360-degree view of a robot's surroundings in real time, synchronized with standard TV camera frame rates. First introduced in the early 1990s, COPIS became the cornerstone of Nishizawa's research program, serving as the perceptual backbone for map-based navigation, free-space estimation, obstacle detection, and collision avoidance in mobile robotics. His 1995 paper detailing map-based navigation with COPIS stands as his most influential work, accumulating 155 citations and demonstrating the sensor's practical viability for autonomous robot guidance. Across more than a decade of refinement, Nishizawa consistently advanced the capabilities of COPIS-based systems, addressing increasingly complex challenges such as localization in dynamic environments and safe navigation around unknown obstacles. His work remains a meaningful reference point for researchers exploring low-cost, real-time omnidirectional sensing in robotics.
Research Focus
Key Achievements
Top Papers
- 1Map-based navigation for a mobile robot with omnidirectional image sensor COPIS155 citations · 1995
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