| abstract |
The decaying of medium and other optical properties are utilized with the thickness of the medium between measurement sensor and target surface.Disclosed herein is various media, the arrangements of hardware, and are used to capture these thickness measures and obtain the treatment technology of the 3-D view of the target surfaces in various imaging backgrounds.This include for for inside/concave surface and outside/nonreentrant surface imaging, and for duct, people's denture etc. imaging these technologies specific adaptation general technology. |