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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.
The advantage of structured-light 3D scanners is speed and precision. Instead of scanning one point at a time, structured light scanners scan multiple points or the entire field of view at once. Scanning an entire field of view in a fraction of a second reduces or eliminates the problem of distortion from motion.
The active stereo vision is a form of stereo vision which actively employs a light such as a laser or a structured light to simplify the stereo matching problem. The opposed term is passive stereo vision. Conventional structured-light vision (SLV) employs a structured light or laser, and finds projector-camera correspondences. [2] [3]
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 ...
Figure 3. White light interferometric microscope. White-light interferometry scanning (WLS) systems capture intensity data at a series of positions along the vertical axis, determining where the surface is located by using the shape of the white-light interferogram, the localized phase of the interferogram, or a combination of both shape and phase.
Staples accepts all used ink and toner cartridges for recycling. Prior to 2008, the only cartridge brands that could be recycled were HP, Kodak, and Dell, and customers were given a $3 coupon for the store, with the maximum number of coupons to be given, or redeemed, at any one time being 25.
In digital LSM, the light sheet is created by rapidly scanning a laser beam through the sample. [3] [2] [14] This allows for fine control over the specific illumination pattern by modulating the intensity of the laser as it scans. This technique has been used to create systems capable of multiple types of light sheet microscopy in addition to ...
The technique used the distortion with movement of a structured pattern of light to calculate a volume or change in volume of a textured surface. At that time structured light pattern was shone on to the anterior chest and abdominal wall surfaces, and movie camera film footage was taken and sent to IBM for processing. The digital information ...