Surface inspection

One of the early 3D deflectometry scanners used security cameras, but still produced a high-quality 3D surface profile. Credit: Isak du Preez/Axiscan

Rethinking 3D scans of reflective surfaces

Greg Blackman talks to Isak du Preez, who’s new approach to 3D deflectometry has attracted interest from BMW and other car makers

Photometric stereo for 3D surface inspection

Euresys’ Photometric Stereo function estimates the orientation and albedo of each point of a surface by acquiring several images from a single viewpoint, but lit from different directions

Scanning the skies

Abigail Williams finds that 3D scanning systems that can pinpoint dents and imperfections on aircraft body panels are being welcomed by aviation businesses to replace manual inspection

The pick of the pixels

Greg Blackman looks at flat panel display inspection, where the higher resolution of displays and high-speed production make the inspection task particularly demanding

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