Comparison between ternary and binary Gray-code based phase unwrapping methods

Comparison between ternary and binary Gray-code based phase unwrapping methods

Phase-shifting profilometry using binary patterns with projector defocusing has been widely used for high-speed 3D measurement. Recently, a ternary Gray-code based phase unwrapping method has been proposed, which enables to accurately unwrap the phase but reduces the required binary patterns. This p...

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Bibliographic Details
Main Authors: Zheng, Dongliang, Kemao, Qian, Da, Feipeng, Seah, Hock Soon
Other Authors: Asundi, Anand K.
Format: Conference or Workshop Item
Language:English
Published: 2018
Subjects:
DRNTU::Engineering::Computer science and engineering
Projector Defocusing
Phase-shifting Profilometry
Online Access:https://hdl.handle.net/10356/102952
http://hdl.handle.net/10220/47271
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Institution: Nanyang Technological University
Language: English
Description
Summary:Phase-shifting profilometry using binary patterns with projector defocusing has been widely used for high-speed 3D measurement. Recently, a ternary Gray-code based phase unwrapping method has been proposed, which enables to accurately unwrap the phase but reduces the required binary patterns. This paper presents a comparison between the ternary and the traditional binary Gray code-based phase unwrapping methods.

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