Intangible Cultural Heritage High-Definition Digital Mobile Display Technology Based on VR Virtual Visualization

Table 3

Comparison of several data acquisition methods.

Measurement methods	Three-coordinate measuring method	Laser triangular ranging method	Structured light	CT method
Uncertainty	0.6–30 μm	±5 μm	±1-±3 μm	>1 mm
Material restrictions	Limited	No	No	Limited
Shape restrictions	No	The surface cannot be smooth	No	No
Measuring speed	Slow	General	Fast	Slower
Measuring cost	Higher	Higher	General	High