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A structured-light 3D scanner is a device used to capture the three-dimensional shape of an object by projecting light patterns—such as grids or stripes, onto its surface. [1] The deformation of these patterns is recorded by cameras and processed using specialized algorithms to generate a detailed 3D model .
Making a 3D-model of a Viking belt buckle using a hand held VIUscan 3D laser scanner. 3D scanning is the process of analyzing a real-world object or environment to collect three dimensional data of its shape and possibly its appearance (e.g. color).
For small steps and requirements to do 3D scanning, because the non-contact profilometer does not touch the surface the scan speeds are dictated by the light reflected from the surface and the speed of the acquisition electronics. For doing large steps, a 3D scan on an optical profiler can be much slower than a 2D scan on a stylus profiler.
While point clouds can be directly rendered and inspected, [10] [11] point clouds are often converted to polygon mesh or triangle mesh models, non-uniform rational B-spline (NURBS) surface models, or CAD models through a process commonly referred to as surface reconstruction. There are many techniques for converting a point cloud to a 3D ...
An airborne LiDAR scanning system would scan the objects along its flight path with a zigzag pattern [25] An Unmanned Aerial Vehicle can be controlled by a small scale remote control [26] A terrestrial laser scanning method that stands on a flat and stable terrain [27] A handheld laser scanning device with a small size, it is highly portable [24]
Surface scanners including 2D, 3D, Optical and Laser scanners are becoming essential in sectors such as manufacturing, aerospace, automotive, electronics, and healthcare. The devices allow complex surface profiles to be captured and analysed with high resolution, imaging data and accuracy that is crucial for quality control, designing of new ...