Structured Light Scanner
A structured light scanner is a 3D scanning device that projects a pattern of light (such as stripes or grids) onto an object and uses cameras to capture the deformation of this pattern, enabling precise reconstruction of the object's surface geometry. It is widely used for high-accuracy 3D modeling, reverse engineering, and quality inspection in industries like manufacturing, healthcare, and cultural heritage. The technology relies on triangulation principles to calculate depth information from the distorted light patterns.
Developers should learn about structured light scanners when working on projects involving 3D data acquisition, computer vision, or industrial automation, as they provide sub-millimeter accuracy for capturing detailed surface geometries. It is particularly useful in applications such as quality control in manufacturing (e.g., inspecting parts for defects), creating digital twins of physical objects, and medical imaging (e.g., dental or prosthetic modeling). Understanding this tool helps integrate 3D scanning into software pipelines for CAD/CAM, augmented reality, or robotics.