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A somewhat similar application is the scanning of objects to automatically make 3D models of them. Since photogrammetry relies on images, there are physical limitations when those images are of an object that has dark, shiny or clear surfaces.
The time-of-flight 3D laser scanner is an active scanner that uses laser light to probe the subject. At the heart of this type of scanner is a time-of-flight laser range finder . The laser range finder finds the distance of a surface by timing the round-trip time of a pulse of light.
Compared to 3D laser scanning, structured-light scanners can offer advantages in speed and safety by using non-coherent light sources like LEDs or projectors instead of lasers. This approach allows for relatively quick data capture over large areas and reduces potential safety concerns associated with laser use.
Images, video, laser scan 1994 Eos Systems - PhotoModeler: $995-$2995 or from $49/month, edu discounts [4] Yes Free no-save demo mode, or free 30 day all features trial. Photosynth: Unknown Microsoft Windows: Standalone No Yes, multiple images Close-range Images 2008 Microsoft Live Labs, University of Washington: Free Pix4Dmapper: Proprietary
3D scanner#Structured light; Structured-light 3D scanners often employed in a multiple-camera setup in conjunction with structured light to capture the geometry of the target; Dual photography; More advanced light stages make use of structured light to capture geometry of the target. The primary use of a light stage is an instrumentation setup ...
Lidar may operate in a fixed direction (e.g., vertical) or it may scan multiple directions, in which case it is known as lidar scanning or 3D laser scanning, a special combination of 3-D scanning and laser scanning. [3] Lidar has terrestrial, airborne, and mobile applications. [4] [5]
A few computer vision systems use image-acquisition hardware with active illumination or something other than visible light or both, such as structured-light 3D scanners, thermographic cameras, hyperspectral imagers, radar imaging, lidar scanners, magnetic resonance images, side-scan sonar, synthetic aperture sonar, etc. Such hardware captures ...
PhotoModeler [1] is a software application that performs image-based modeling and close range photogrammetry – producing 3D models and measurements from photography. The software is used for close-range, aerial and uav photogrammetry.
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