Motoharu Fujigaki

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About

Motoharu Fujigaki is a leading figure in optical metrology, with a primary focus on high-speed, high-accuracy three-dimensional shape measurement. His key research areas include phase-shifting interferometry, fringe projection, and the development of compact, cost-effective sensing systems for industrial inspection and robotics. Fujigaki’s major contribution lies in advancing phase-stepping methods, particularly through the innovative use of multi-line LEDs to enable rapid, precise surface profiling without the need for complex, expensive hardware. His seminal 2012 paper, "Shape Measurement by Phase-Stepping Method Using Multi-Line LEDs," which has garnered 11 citations, demonstrates a practical solution to the long-standing challenge of balancing speed, accuracy, and system simplicity. This work has proven influential in fields requiring real-time, non-contact measurement, such as automated production line quality control. Beyond this, Fujigaki has consistently pushed the boundaries of optical sensing, contributing to the development of dynamic 3D imaging techniques that capture moving objects. His research is characterized by a pragmatic engineering approach, translating theoretical advances into robust, deployable systems. For students and researchers, Fujigaki’s work offers a masterclass in solving real-world measurement problems through elegant optical design and signal processing.