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Related Experiment Video

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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

Dynamic 3D shape measurement by iterative phase shifting algorithms and colored fringe patterns.

Jorge L Flores, Marija Stronik, Antonio Muñoz

|May 27, 2018

Summary

This study introduces a new method for 3D shape reconstruction of moving objects using simultaneous fringe and white light projection. This technique enables accurate phase map retrieval and object pixel matching for dynamic 3D vision.

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Area of Science:

Computer Vision
Optical Metrology
3D Reconstruction

Background:

Accurate 3D shape reconstruction of dynamic objects is crucial for various applications.
Existing methods often struggle with simultaneous data acquisition and processing for moving targets.

Purpose of the Study:

To develop a novel technique for retrieving the 3D shape of dynamic objects.
To enable simultaneous projection and processing of distinct optical patterns for enhanced data extraction.

Main Methods:

Simultaneous projection of a fringe pattern and a homogeneous white light pattern, encoded in an RGB image.
Iterative least-squares method for phase map retrieval from the fringe pattern.
Object pixel matching across consecutive images using the white light pattern for dynamic scene analysis.

Main Results:

Successfully demonstrated the simultaneous projection of two distinct patterns.
Achieved effective extraction of object information and phase map retrieval concurrently.
Experimental results validated the feasibility and effectiveness of the proposed 3D shape retrieval scheme.

Conclusions:

The proposed method offers a viable solution for 3D shape reconstruction of dynamic objects.
Simultaneous pattern projection enhances efficiency and accuracy in dynamic 3D vision.
This technique advances the field of real-time 3D shape analysis for moving subjects.