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Related Experiment Video

Updated: Mar 22, 2026

Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture

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Published on: February 23, 2018

A Robust and Simple Measure for Quality-Guided 2D Phase Unwrapping Algorithms.

Miguel Arevalillo-Herraez, Francisco R Villatoro, Munther A Gdeisat

IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society

|April 13, 2016

Summary

This summary is machine-generated.

This study introduces a new quality measure for 2D phase unwrapping, enhancing algorithm robustness and accuracy. The novel approach improves speed and reliability in fringe projection profilometry applications.

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

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Published on: December 3, 2013

Area of Science:

Image processing
Optical metrology

Background:

Quality-based 2D phase unwrapping algorithms offer a balance of speed and accuracy.
Algorithm performance relies on a quality map to prioritize reliable pixels.
Noisy areas are unwrapped last to localize errors.

Purpose of the Study:

To propose a novel, robust, and efficient quality measure for 2D phase unwrapping.
To combine advantages of quality-guided and residue-based unwrapping methods.
To provide a theoretically justified quality map for improved phase unwrapping.

Main Methods:

Developed a new quality measure for 2D phase unwrapping.
Integrated quality-guided and residue-based approaches.
Theoretically justified the new quality map from two perspectives.

Main Results:

The proposed quality measure is consistent, effective, and fast to compute.
The measure is immune to carrier signal presence.
Demonstrated usefulness in fringe projection profilometry.

Conclusions:

The novel quality measure enhances the robustness of 2D phase unwrapping.
This method offers improved performance for fringe projection profilometry.
The new measure provides a reliable approach for processing wrapped phase signals.