Abstract
Machine vision systems based on direct laser rangefinders are an interesting option for applications demanding high lateral and radial resolution, along with the capability to operate under varying illu- mination conditions. Furthermore, as outdoor applications such as colli- sion avoidance or smart highways automated navigation appear, the in- terest of direct laser rangefinders for machine vision will rise, since they do not present the limitations commonly found in intensity based vision systems. We present a 3-D vision system designed around a direct laser rangefinder (which we also developed). Although initially conceived for short-range indoor applications, the system is designed so that it can be easily adapted to longer range outdoor operation. The main features of this system are its high-speed optomechanical scanner, based in a single scanning mirror, and its direct interface to the industry standard architecture (ISA) bus, which enables the system to operate in any PC- based application. © 2001 Society of Photo-Optical Instrumentation Engineers.
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