Research

(Click here for my full publication list or here for my Google Scholar profile)

Selected Projects

[Face Image Super-Resolution] [Photometric Stereo] [Face Sketch Synthesis] [Scene Text Recognition] [Transparent Object Reconstruction] [Mirror Surface Reconstruction] [Camera Calibration]

Face Image Super-Resolution

Progressive semantic-aware style transformation for blind face restoration.
C. Chen, X. Li, L. Yang, X. Lin, L. Zhang and K.-Y. K. Wong.
CVPR 2021
[BibTeX] [Paper] [Code]

Learning Spatial Attention for Face Super-Resolution.
C. Chen, D. Gong, H. Wang, Z. Li and K.-Y. K. Wong.
TIP 2020
[BibTeX] [Paper] [Code]

Photometric Stereo

What is Learned in Deep Uncalibrated Photometric Stereo?
G. Chen, W. Michael, B. Shi, K.-Y. K. Wong and Y. Matsushita.
ECCV 2020
[BibTeX] [Paper] [Code] [Project]

Deep Photometric Stereo for Non-Lambertian Surfaces.
G. Chen, K. Han, B. Shi, Y. Matsushita and K.-Y. K. Wong.
TPAMI 2020
[BibTeX] [Paper] [Code] [Project]

Self-calibrating Deep Photometric Stereo Networks.
G. Chen, K. Han, B. Shi, Y. Matsushita and K.-Y. K. Wong.
CVPR 2019
[BibTeX] [Paper] [Code] [Project]

PS-FCN: A Flexible Learning Framework for Photometric Stereo.
G. Chen, K. Han and K.-Y. K. Wong.
ECCV 2018
[BibTeX] [Paper] [Code] [Project]

Face Sketch Synthesis

Semi-supervised Learning for Face Sketch Synthesis in the Wild.
C. Chen, W. Liu, X. Tan and K.-Y. K. Wong.
ACCV 2018
[BibTeX] [Paper] [Code]

Face Sketch Synthesis with Style Transfer using Pyramid Column Feature.
C. Chen, X. Tan and K.-Y. K. Wong.
WACV 2018)
[BibTeX] [Paper] [Code]

Markov Weight Fields for Face Sketch Synthesis.
H. Zhou, Z. Kuang and K.-Y. K. Wong.
CVPR 2012
[BibTeX] [Paper]

Scene Text Recognition

SAFE: Scale Aware Feature Encoder for Scene Text Recognition.
W. Liu, C. Chen and K.-Y. K. Wong.
ACCV 2018
[BibTeX] [Paper]

Char-Net: A Character-Aware Neural Network for Distorted Scene Text Recognition.
W. Liu, C. Chen and K.-Y. K. Wong.
AAAI 2018
[BibTeX] [Paper]

STAR-Net: A SpaTial Attention Residue Network for Scene Text Recognition.
W. Liu, C. Chen, K.-Y. K. Wong, Z. Su and J. Han.
BMVC 2016
[BibTeX] [Paper]

Transparent Object Reonstruction

Dense Reconstruction of Transparent Objects by Altering Incident Light Paths Through Refraction.
K. Han, K.-Y. K. Wong and M. Liu.
IJCV 2018
[BibTeX] [Paper]

A Fixed Viewpoint Approach for Dense Reconstruction of Transparent Objects.
K. Han, K.-Y. K. Wong and M. Liu.
CVPR 2015
[BibTeX] [Paper]

Depth from Refraction Using a Transparent Medium with Unknown Pose and Refractive Index.
Z. Chen, K.-Y. K. Wong, Y. Matsushita, X. Zhu.
IJCV 2013
[BibTeX] [Paper]

Self-Calibrating Depth from Refraction.
Z. Chen, K.-Y. K. Wong, Y. Matsushita, X. Zhu and M. Liu.
ICCV 2011
[BibTeX] [Paper]

Mirror Surface Reconstruction

Fixed Viewpoint Mirror Surface Reconstruction Under an Uncalibrated Camera.
K. Han, M. Liu, D. Schnieders and K.-Y. K. Wong.
TIP 2021
[BibTeX] [Paper] [Code] [Project]

Mirror Surface Reconstruction under an Uncalibrated Camera.
K. Han, K.-Y. K. Wong, D. Schnieders and M. Liu.
CVPR 2016
[BibTeX] [Paper]

Pose Estimation from Reflections for Specular Surface Recovery.
M. Liu, K.-Y. K. Wong, Z. Dai and Z. Chen.
ICCV 2011
[BibTeX] [Paper]

Estimating the Unknown Poses of a Reference Plane for Specular Shape Recovery.
M. Liu and K.-Y. K. Wong.
CPCV 2011
[BibTeX] [Paper]

Specular Surface Recovery from Reflections of a Planar Pattern Undergoing an Unknown Pure Translation
M. Liu, K.-Y. K. Wong, Z. Dai and Z. Chen.
ACCV 2010
[BibTeX] [Paper]

Camera Calibration

A Stratified Approach for Camera Calibration Using Spheres.
K.-Y. K. Wong, G. Zhang and Z. Chen. TIP 2011
[BibTeX] [Paper]

Camera Calibration from Images of Spheres.
H. Zhang, K.-Y. K. Wong and G. Zhang.
TPAMI 2007
[BibTeX] [Paper]

Camera Calibration with Spheres: Linear Approaches.
H. Zhang, G. Zhang and K.-Y. K. Wong.
ICIP 2005
[BibTeX] [Paper]

Camera Calibration from Surfaces of Revolution.
K.-Y. K. Wong, P. R. S. Mendonça and R. Cipolla.
TPAMI 2003
[BibTeX] [Paper]

Camera Calibration from Symmetry.
K.-Y. K. Wong, P. R. S. Mendonça and R. Cipolla.
Mathematics of Surfaces 2000
[BibTeX] [Paper]

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