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

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Superfast phase-shifting method for 3-D shape measurement.

Song Zhang¹, Daniel Van Der Weide, James Oliver

¹Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA. song@iastate.edu

|July 1, 2010

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Superfast 3-D shape measurement is now possible using Digital Light Processing (DLP) Discovery technology. This system achieves a record 667 Hz measurement rate by rapidly switching binary patterns for high-speed 3-D imaging.

Area of Science:

Optics and Photonics
Computer Vision
Metrology

Background:

High-speed 3-D shape measurement is crucial for dynamic applications.
Existing technologies face limitations in speed and resolution.
Digital Light Processing (DLP) Discovery offers advanced capabilities for rapid image switching.

Purpose of the Study:

To develop and present a 3-D shape measurement system utilizing DLP Discovery technology.
To achieve unprecedented measurement rates for 3-D shape acquisition.
To explore the potential of high-frame-rate 3-D measurement in various fields.

Main Methods:

Employed DLP Discovery technology for high-frequency binary structured pattern projection.
Generated sinusoidal fringe patterns through controlled projector defocusing.

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Related Experiment Videos

Last Updated: Jun 11, 2026

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

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Published on: December 3, 2013

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

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Published on: November 27, 2017

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

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Integrated phase-shifting techniques with high-speed pattern projection for accurate 3-D reconstruction.

Main Results:

Achieved a 3-D shape measurement rate of 667 Hz, a significant advancement in speed.
Demonstrated the capability of DLP Discovery for superfast binary image switching.
Successfully reconstructed 3-D shapes using the developed high-speed system.

Conclusions:

The developed system leverages DLP Discovery technology for record-breaking 3-D shape measurement speeds.
This high-speed 3-D measurement capability has broad applicability in fields like medical science, biometrics, and entertainment.
The approach offers a promising solution for capturing dynamic 3-D information.