Physics-Guided Terahertz Computational Imaging: A tutorial on state-of-the-art techniques

WT Su, YC Hung, PJ Yu, CW Lin… - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
Visualizing information inside objects is an everlasting need to bridge the world from
physics, chemistry, and biology to computation. Among all tomographic techniques …

Frontiers in terahertz imaging applications beyond absorption cross-section and diffraction limits

G Lee, J Lee, QH Park, M Seo - ACS Photonics, 2022 - ACS Publications
Label-free imaging technology is highly desirable for various bioengineering, medicine, and
chemistry applications. Most existing optical imaging techniques require labeling of the …

Distinguishing pericarpium citri reticulatae of different origins using terahertz time-domain spectroscopy combined with convolutional neural networks

H Pu, J Yu, DW Sun, Q Wei, Q Li - … Acta Part A: Molecular and Biomolecular …, 2023 - Elsevier
The geographical indication of pericarpium citri reticulatae (PCR) is very important in
grading the quality and price of PCRs. Therefore, terahertz time-domain spectroscopy (THz …

Joint deblurring and denoising of THz time-domain images

M Ljubenović, L Zhuang, J De Beenhouwer… - IEEE …, 2020 - ieeexplore.ieee.org
Terahertz (THz) pulse/time-domain imaging attracted increased interest in recent years
mostly due to its ability to extract dielectric properties of sample materials (ie, absorption …

Beam-shape effects and noise removal from thz time-domain images in reflection geometry in the 0.25–6 thz range

M Ljubenović, A Artesani, S Bonetti… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The increasing need of restoring high-resolution hyper-spectral (HS) images is determining
a growing reliance on computer vision-based processing to enhance the clarity of the image …

Making the Invisible Visible: Toward High-Quality Terahertz Tomographic Imaging via Physics-Guided Restoration

WT Su, YC Hung, PJ Yu, SH Yang, CW Lin - International Journal of …, 2023 - Springer
Terahertz (THz) tomographic imaging has recently attracted significant attention thanks to its
non-invasive, non-destructive, non-ionizing, material-classification, and ultra-fast nature for …

Terahertz image denoising via multiscale hybrid‐convolution residual network

H Wu, Z Guo, C He, S Luo… - CAAI Transactions on …, 2024 - Wiley Online Library
Terahertz imaging technology has great potential applications in areas, such as remote
sensing, navigation, security checks, and so on. However, terahertz images usually have the …

Terahertz deep learning fusion computed tomography

YC Hung, WT Su, TH Chao, CW Lin, SH Yang - Optics Express, 2024 - opg.optica.org
Terahertz (THz) tomographic imaging based on time-resolved THz signals has raised
significant attention due to its non-invasive, non-destructive, non-ionizing, material …

Terahertz image restoration benchmarking dataset

Y Zhang, Z Su, F Qi, J Zhou… - ICASSP 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
The paper introduces a new terahertz (THz) image benchmarking dataset for THz imaging.
The degradation of THz image quality is one of the main problems caused by system noise …

Multi-scale terahertz image reconstruction

Z Su, Y Zhang, J Zhou, J Shi, F Qi, C Ji - Optics Communications, 2024 - Elsevier
This paper proposes a novel terahertz (THz) image recovery algorithm and a new THz
image dataset is publicly available. Because of transmission noise, artificial errors and …