Optimized hierarchical block matching for fast and accurate image registration

C Je, HM Park - Signal Processing: Image Communication, 2013 - Elsevier
Recently the camera resolution has been highly increased, and the registration between
high-resolution images is computationally expensive even by using hierarchical block …

Perceptual quality evaluation for image defocus deblurring

L Li, Y Yan, Y Fang, S Wang, L Tang, J Qian - Signal Processing: Image …, 2016 - Elsevier
Blur is one of the most common distortion types in image acquisition. Image deblurring has
been widely studied as an effective technique to improve the quality of blurred images …

Infrared and visible image fusion based on gradient transfer optimization model

R Yu, W Chen, D Zhou - IEEE Access, 2020 - ieeexplore.ieee.org
To tackle the problem of partial loss of image details in infrared and visible image fusion, a
gradient transfer optimization model is proposed for the fusion of infrared and visible …

Image restoration using structured sparse representation with a novel parametric data-adaptive transformation matrix

Z Su, S Zhu, X Lv, Y Wan - Signal Processing: Image Communication, 2017 - Elsevier
In this paper, we propose a new framework for image restoration by combining nonlocal
regularization technique with structured sparse representation using a novel parametric data …

Homographic p-norms: Metrics of homographic image transformation

C Je, HM Park - Signal Processing: Image Communication, 2015 - Elsevier
Images often need to be aligned in a single coordinate system, and homography is one of
the most efficient geometric models to align images. This paper presents homographic p …

Binary Stripe Unwrap** Based on Mean-speed Walk and Local Median Correction for Rapid High-resolution Structured-light Range Imaging

C Je, HM Park - International Journal of Sensors Wireless …, 2022 - ingentaconnect.com
Aim: Structured light is frequently selected for efficient and accurate depth imaging, and
single-frame-based methods have been presented for real-time sensing or imaging dynamic …

A block-based fusion method with SSIM criterion for multi-focus images

Y Guo, Y Zhang, D Zhou - International Symposium on …, 2014 - spiedigitallibrary.org
Aiming at the block-based fusion methods for multi-focus images, such key problems like
finding a suitable block size and overcoming the blocking-artifact often occurs. To address …

Mouth map-assisted localisation of ASM lip landmarks

C Je, W Jo, HM Park - The Imaging Science Journal, 2016 - Taylor & Francis
The extended active shape models have shown their robustness in facial landmarks fitting.
However, we often meet substantial errors of lip landmarks fitting mostly due to teeth …

DeepLip: block-based lip pixel detection by deep neural networks

C Je, HM Park - The Imaging Science Journal, 2019 - Taylor & Francis
This paper presents an effective lip pixel detection method based on blocks and deep neural
networks. Since only-rough localization of a pair of lips is a trivial task, we use a rectangle …

Image Restoration Based on Adaptive Dual‐Domain Filtering

R He, X Feng, C Zhao, H Chen… - Mathematical Problems …, 2018 - Wiley Online Library
Image restoration is a long‐standing problem in low‐level computer vision. In this paper, we
offer a simple but effective estimation paradigm for various image restoration problems …