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June 8, 2026IEEE Antennas and Wireless Propagation LettersOpen Access

Multi-Frequency Resolution-Oriented Reconstruction for Single-Pixel Terahertz Imaging

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Authors

AMAmir Masoud MolaeiANAdolphe NdagijimanaIEI. Ederra

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Overview

Randomized trial demonstrates improved imaging fidelity in single-pixel terahertz systems, indicating enhanced resolution capabilities.

Key Points

  • The study aims to improve the reconstruction quality in single-pixel terahertz imaging by addressing non-ideal sensing conditions.
  • Developed a multi-frequency reconstruction framework for calibrated single-pixel THz sensing operators.
  • Implemented a matrix-free approach to avoid frequency stacking.
  • Used a resolution-oriented penalized inversion solved with reweighted quadratic updates.
  • Demonstrated significant improvements in reconstruction fidelity and target contrast compared to matched filtering and least-squares methods.
  • Notable enhancements were observed as the measurement count and number of frequency samples increased.

Cite This Study

Molaei et al. (2026) studied this question.

synapsesocial.com/papers/6a265bb6ad53cfb9357c51e8https://doi.org/10.1109/lawp.2026.3700703
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