At-ddpm: Restoring faces degraded by atmospheric turbulence using denoising diffusion probabilistic models

NG Nair, K Mei, VM Patel - Proceedings of the IEEE/CVF …, 2023 - openaccess.thecvf.com
Although many long-range imaging systems are designed to support extended vision
applications, a natural obstacle to their operation is degradation due to atmospheric …

Learning to restore images degraded by atmospheric turbulence using uncertainty

R Yasarla, VM Patel - 2021 IEEE International Conference on …, 2021 - ieeexplore.ieee.org
Atmospheric turbulence can significantly degrade the quality of images acquired by long-
range imaging systems by causing spatially and temporally random fluctuations in the index …

CNN-based restoration of a single face image degraded by atmospheric turbulence

R Yasarla, VM Patel - IEEE Transactions on Biometrics …, 2022 - ieeexplore.ieee.org
Atmospheric turbulence significantly affects imaging systems which use light that has
propagated through long atmospheric paths. Images captured under such condition suffer …

Atfacegan: Single face semantic aware image restoration and recognition from atmospheric turbulence

CP Lau, CD Castillo… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Degradation due to atmospheric turbulence is common while capturing images at long
ranges. To mitigate the degradation due to turbulence which includes deformation and blur …

Three-dimensional fractional total variation regularized tensor optimized model for image deblurring

L Guo, XL Zhao, XM Gu, YL Zhao, YB Zheng… - Applied Mathematics …, 2021 - Elsevier
Image deblurring is an important pre-processing step in image analysis. The research for
efficient image deblurring methods is still a great challenge. Most of the currently used …

Restoration of atmospheric turbulence-distorted images via RPCA and quasiconformal maps

CP Lau, YH Lai, LM Lui - Inverse Problems, 2019 - iopscience.iop.org
We address the problem of restoring a high-quality image from an observed image
sequence strongly distorted by atmospheric turbulence. A novel algorithm is proposed in this …

Atfacegan: Single face image restoration and recognition from atmospheric turbulence

CP Lau, H Souri, R Chellappa - 2020 15th IEEE International …, 2020 - ieeexplore.ieee.org
Image degradation due to atmospheric turbulence is common while capturing images at
long ranges. To mitigate the degradation due to turbulence which includes deformation and …

Confidence guided network for atmospheric turbulence mitigation

NG Nair, VM Patel - 2021 IEEE International Conference on …, 2021 - ieeexplore.ieee.org
Atmospheric turbulence can adversely affect the quality of images or videos captured by
long range imaging systems. Turbulence causes both geometric and blur distortions in …

Atdetect: Face detection and keypoint extraction at range and altitude

CP Lau, M Suin, R Chellappa - 2023 IEEE International Joint …, 2023 - ieeexplore.ieee.org
Face detection and alignment are the crucial preprocessing steps in face recognition. While
face detection works well in ideal situations, the performance deteriorates significantly when …

Turb-Seg-Res: A Segment-then-Restore Pipeline for Dynamic Videos with Atmospheric Turbulence

RK Saha, D Qin, N Li, J Ye… - Proceedings of the …, 2024 - openaccess.thecvf.com
Tackling image degradation due to atmospheric turbulence particularly in dynamic
environments remains a challenge for long-range imaging systems. Existing techniques …