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Related Experiment Video

Updated: May 19, 2026

Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System

Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System

Published on: March 6, 2019

Performance of imaging systems analyzed with two-dimensional target.

Harel Haim¹, Naim Konforti, Emanuel Marom

¹Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel. Harel.haim.hh@gmail.com

|September 5, 2012

Summary

This summary is machine-generated.

Performance analysis of optical imaging systems differs between 1D and 2D targets. This study validates a new 2D target for accurate resolution and contrast characterization, crucial for 2D barcode design.

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Area of Science:

Optical engineering
Image analysis
Metrology

Background:

Traditional optical imaging system analysis relies on one-dimensional (1D) resolution targets.
Previous work indicated significant discrepancies between 1D and 2D target analysis.
The U.S. Air Force resolution target is a common example of a 1D target.

Purpose of the Study:

To provide experimental evidence for the efficacy of a novel two-dimensional (2D) target.
To demonstrate the correct characterization of optical imaging systems using the 2D target.
To apply these findings to the optimization of 2D barcode structures.

Main Methods:

Experimental validation of a proposed 2D resolution target.
Comparative analysis of optical system performance using 1D and 2D targets.
Application of 2D target characterization to 2D barcode design.

Main Results:

Experimental data confirm that 2D targets provide more accurate optical system characterization than 1D targets.
The 2D target effectively measures both resolution and contrast.
Optimized 2D barcode designs were achieved based on the 2D target's performance metrics.

Conclusions:

The proposed 2D target is essential for accurate optical imaging system evaluation.
Accurate characterization using 2D targets improves the design of 2D barcodes.
This methodology enhances the reliability and performance of optical imaging applications.