There are 4 popular types of 3D body scanning technologies in the market today.
● DSLR Photogrammetry 3D Scanners
● Handheld 3D Scanners
● Turntable-based Full Body 3D
● Hybrid Full Body 3D Scanners
A DSLR full body 3D scanner relies on photogrammetry to create a 3D scan.
Photogrammetry works by finding shared features between multiple
photographs to calculate depth.
The cameras have a special peripheral attachment that can synchronize the captures so all cameras fire at the same time.
Handheld 3D scanners used in 3D photography typically rely on structured light to calculate the geometry of the subject being 3D scanned.
3D scanning someone with a handheld 3D scanner works by having the person stand still as you slowly move the 3D scanner around them to capture the different parts of their body.
Turntable-based 3D body scanners rely on the same technology as handheld
3D scanners (structured light) created to eliminate the need for a human being to walk around and scan people with a handheld 3D scanner. The subject steps onto a platform and holds still while the platform rotates and a mounted 3D sensor moves up and down until the entire person completes
their 3D body scan.
At Holod3ck we found that the best scanners is one that combines the best of all three technologies. Holod3ck's 3D Capture Technology is a hybrid portable scanning system that uses both photogrammetry and structured light methods to create a full highly textured 3D scan.
Using portable integration of cameras and lights mounted in an array around the subject being scanned, the system can digitally capture high quality 360 degree scans.
In addition to cameras and lights, there are also projectors that project a pattern on the person being scanned, which helps the photogrammetry software to reconstruct high quality geometries everywhere including flat colored materials.
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