Hitoshi Ohfuji

Papers

Total Citations

H-Index

About

Hitoshi Ohfuji has dedicated his research career to advancing the precision and automation of laser welding through sophisticated image processing and robotic motion control. His primary focus lies in developing computer vision systems that enable welding robots to autonomously detect, measure, and track seam lines with high accuracy. Ohfuji’s major contributions include creating novel image measurement techniques that allow robots to directly assess the curvature and geometry around weld seams, overcoming challenges posed by edge deformations from cutting, bending, or grinding. This work is critical for ensuring correct laser irradiation direction and focus positioning, which directly influence weld strength and quality. His most cited paper, “Basic Image Measurement for Laser Welding Robot Motion Control” (2009, 5 citations), established foundational methods for integrating visual feedback into robotic welding systems. Subsequent studies, such as “Image Detection of Seam Line for Laser Welding Robot” (2011, 4 citations) and “Image Measurement on Curvature Around Seam Line” (2010, 3 citations), further refined these approaches. While his citation counts reflect a specialized niche, Ohfuji’s research represents an important step toward fully autonomous, high-precision laser welding—a technology vital for industries requiring small-area, deep-penetration welds with minimal heat input.