Publications

2022

Novel Class Discovery without Forgetting
K J Joseph, Sujoy Paul, Gaurav Aggarwal, Soma Biswas, Piyush Rai, Kai Han, Vineeth N Balasubramanian
ECCV 2022

[BibTeX]
@inproceedings{joseph22ncdwf,
 author    = {K J Joseph and Sujoy Paul and Gaurav Aggarwal and Soma Biswas and Piyush Rai and Kai Han and Vineeth N Balasubramanian},
 title     = {Novel Class Discovery without Forgetting},
 booktitle = {European Conference on Computer Vision (ECCV)},
 year      = {2022},
}
Generalized Category Discovery
Sagar Vaze, Kai Han, Andrea Vedaldi, Andrew Zisserman
CVPR 2022

[BibTeX]
@inproceedings{vaze22generalized,
 author    = {Sagar Vaze and Kai Han and Andrea Vedaldi and Andrew Zisserman},
 title     = {Generalized Category Discovery},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2022},
}
JIFF: Jointly-aligned Implicit Face Function for High Quality Single View Clothed Human Reconstruction
Yukang Cao, Guanying Chen, Kai Han, Wenqi Yang, Kwan-Yee K. Wong
CVPR 2022 (Oral presentation)

[BibTeX]
@inproceedings{cao22jiff,
 author    = {Yukang Cao and Guanying Chen and Kai Han and Wenqi Yang and Kwan-Yee K. Wong},
 title     = {JIFF: Jointly-aligned Implicit Face Function for High Quality Single View Clothed Human Reconstruction},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2022},
}
SharpContour: A Contour-based Boundary Refinement Approach for Efficient and Accurate Instance Segmentation
Chenming Zhu, Xuanye Zhang, Yanran Li, Liangdong Qiu, Kai Han, Xiaoguang Han
CVPR 2022

[BibTeX]
@inproceedings{zhu22sharpcontour,
 author    = {Chenming Zhu and Xuanye Zhang and Yanran Li and Liangdong Qiu and Kai Han and Xiaoguang Han},
 title     = {SharpContour: A Contour-based Boundary Refinement Approach for Efficient and Accurate Instance Segmentation},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2022},
}
Spacing Loss for Discovering Novel Categories
K J Joseph, Sujoy Paul, Gaurav Aggarwal, Soma Biswas, Piyush Rai, Kai Han, Vineeth N Balasubramanian
CVPRW 2022 (Best Paper Runner-Up Award)

[BibTeX]
@inproceedings{joseph22spacing,
 author    = {K J Joseph and Sujoy Paul and Gaurav Aggarwal and Soma Biswas and Piyush Rai and Kai Han and Vineeth N Balasubramanian},
 title     = {Spacing Loss for Discovering Novel Categories},
 booktitle = {CVPR Workshop on Continual Learning in Computer Vision},
 year      = {2022},
}
Open-Set Recognition: A Good Closed-Set Classifier is All You Need?
Sagar Vaze, Kai Han, Andrea Vedaldi, Andrew Zisserman
ICLR 2022 (Oral presentation)

[BibTeX]
@inproceedings{vaze22openset,
 author    = {Sagar Vaze and Kai Han and Andrea Vedaldi and Andrew Zisserman},
 title     = {Open-Set Recognition: A Good Closed-Set Classifier is All You Need?},
 booktitle = {International Conference on Learning Representations (ICLR)},
 year      = {2022},
}

2021

Novel Visual Category Discovery with Dual Ranking Statistics and Mutual Knowledge Distillation
Bingchen Zhao, Kai Han
NeurIPS 2021

[BibTeX]
@inproceedings{zhao21novel,
 author     = {Bingchen Zhao and Kai Han},
 title      = {Novel Visual Category Discovery with Dual Ranking Statistics and Mutual Knowledge Distillation},
 booktitle  = {Conference on Neural Information Processing Systems (NeurIPS)},
 year       = {2021}
}
Joint Representation Learning and Novel Category Discovery on Single- and Multi-modal Data
Xuhui Jia, Kai Han, Yukun Zhu, Bradley Green
ICCV 2021

[BibTeX]
@inproceedings{jia21joint,
 author    = {Xuhui Jia and Kai Han and Yukun Zhu and Bradley Green},
 title     = {Joint Representation Learning and Novel Category Discovery on Single- and Multi-modal Data},
 booktitle = {International Conference on Computer Vision (ICCV)},
 year      = {2021}
}
XResolution Correspondence Networks
Georgi Tinchev, Shuda Li, Kai Han, David Mitchell, Rigas Kouskouridas
BMVC 2021

[BibTeX]
@inproceedings{tinchev20xresolution,
 author    = {Georgi Tinchev and Shuda Li and Kai Han and David Mitchell and Rigas Kouskouridas},
 title     = {{$\mathbb{X}$}Resolution Correspondence Networks},
 booktitle = {British Machine Vision Conference (BMVC)},
 year      = {2021}
}
LSD-C: Linearly Separable Deep Clusters
Sylvestre-Alvise Rebuffi*, Sebastien Ehrhardt*, Kai Han*, Andrea Vedaldi, Andrew Zisserman
ICCVW 2021

[BibTeX]
@inproceedings{rebuffi21lsdc,
 author    = {Sylvestre-Alvise Rebuffi and Sebastien Ehrhardt and Kai Han and Andrea Vedaldi and Andrew Zisserman},
 title     = {LSD-C: Linearly Separable Deep Clusters},
 booktitle = {ICCV Workshop on Visual Inductive Priors for Data-Efficient Deep Learning},
 year      = {2021}
}
Contrastive Learning based Hybrid Networks for Long-Tailed Image Classification
Peng Wang, Kai Han, Xiu-Shen Wei, Lei Zhang, Lei Wang
CVPR 2021

[BibTeX]
@inproceedings{wang21contrastive,
 author     = {Peng Wang and Kai Han and Xiu-Shen Wei and Lei Zhang and Lei Wang},
 title      = {Contrastive Learning based Hybrid Networks for Long-Tailed Image Classification},
 booktitle  = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year       = {2021},
}
AutoNovel: Automatically Discovering and Learning Novel Visual Categories
Kai Han, Sylvestre-Alvise Rebuffi, Sebastien Ehrhardt, Andrea Vedaldi, Andrew Zisserman
TPAMI 2021

[BibTeX]
@article{han21autonovel,
 author  = {Kai Han and Sylvestre-Alvise Rebuffi and Sebastien Ehrhardt and Andrea Vedaldi and Andrew Zisserman},
 title   = {AutoNovel: Automatically Discovering and Learning Novel Visual Categories},
 journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)},
 year    = {2021},
}
Anisotropic Convolutional Neural Networks for RGB-D based Semantic Scene Completion
Jie Li, Peng Wang, Kai Han, Yu Liu
TPAMI 2021

[BibTeX]
@article{li21anisotropic,
 author  = {Jie Li and Peng Wang and Kai Han and Yu Liu},
 title   = {Anisotropic Convolutional Neural Networks for RGB-D based Semantic Scene Completion},
 journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)},
 year    = {2021},
}
Fixed Viewpoint Mirror Surface Reconstruction under an Uncalibrated Camera
Kai Han, Miaomiao Liu, Dirk Schnieders, Kwan-Yee K. Wong
TIP 2021

[BibTeX]
@article{han21fixed,
 title   = {Fixed Viewpoint Mirror Surface Reconstruction under an Uncalibrated Camera},
 author  = {Kai Han and Miaomiao Liu and Dirk Schnieders and Kwan-Yee K. Wong},
 journal = {IEEE Transactions on Image Processing (TIP)},
 year    = {2021}
}

2020

Dual-Resolution Correspondence Networks
Xinghui Li, Kai Han, Shuda Li, Victor Prisacariu
NeurIPS 2020

[BibTeX]
@inproceedings{li20dualrc,
 author     = {Xinghui Li and Kai Han and Shuda Li and Victor Prisacariu},
 title      = {Dual-Resolution Correspondence Networks},
 booktitle  = {Conference on Neural Information Processing Systems (NeurIPS)},
 year       = {2020},
}
Automatically Discovering and Learning New Visual Categories with Ranking Statistics
Kai Han*, Sylvestre-Alvise Rebuffi*, Sebastien Ehrhardt*, Andrea Vedaldi, Andrew Zisserman
ICLR 2020

[BibTeX]
@inproceedings{han20automatically,
 author    = {Kai Han and Sylvestre-Alvise Rebuffi and Sebastien Ehrhardt and Andrea Vedaldi and Andrew Zisserman},
 title     = {Automatically Discovering and Learning New Visual Categories with Ranking Statistics},
 booktitle = {International Conference on Learning Representations (ICLR)},
 year      = {2020},
}
Correspondence Networks with Adaptive Neighbourhood Consensus
Shuda Li*, Kai Han*, Theo W. Costain, Henry Howard-Jenkins, Victor Prisacariu
CVPR 2020

[BibTeX]
@inproceedings{li20correspondence,
 author    = {Shuda Li and Kai Han and Theo W. Costain and Henry Howard-Jenkins and Victor Prisacariu},
 title     = {Correspondence Networks with Adaptive Neighbourhood Consensus},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2020},
}
Anisotropic Convolutional Networks for 3D Semantic Scene Completion
Jie Li, Kai Han, Peng Wang, Yu Liu, Xia Yuan
CVPR 2020

[BibTeX]
@inproceedings{li20anisotropic,
 author    = {Jie Li and Kai Han and Peng Wang and Yu Liu and Xia Yuan},
 title     = {Anisotropic Convolutional Networks for 3D Semantic Scene Completion},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2020}
}
Semi-Supervised Learning with Scarce Annotations
Sylvestre-Alvise Rebuffi*, Sebastien Ehrhardt*, Kai Han*, Andrea Vedaldi, Andrew Zisserman
CVPRW 2020

[BibTeX]
@inproceedings{rebuffi20SSL,
 title={Semi-Supervised Learning with Scarce Annotations},
 author={Sylvestre-Alvise Rebuffi and Sebastien Ehrhardt and Kai Han and  Andrea Vedaldi and Andrew Zisserman},
 booktitle={CVPR Deep Vision Workshop},
 year={2020}
}
Deep Photometric Stereo for Non-Lambertian Surfaces
Guanying Chen, Kai Han, Boxin Shi, Yasuyuki Matsushita, Kwan-Yee K. Wong
TPAMI 2020

[BibTeX]
@inproceedings{han19DTC,
 author    = {Kai Han and Andrea Vedaldi and Andrew Zisserman},
 title     = {Learning to Discover Novel Visual Categories via Deep Transfer Clustering},
 booktitle = {International Conference on Computer Vision (ICCV)},
 year      = {2019}
}

2019

Learning to Discover Novel Visual Categories via Deep Transfer Clustering
Kai Han, Andrea Vedaldi, Andrew Zisserman
ICCV 2019

[BibTeX]
@inproceedings{han19DTC,
 author    = {Kai Han and Andrea Vedaldi and Andrew Zisserman},
 title     = {Learning to Discover Novel Visual Categories via Deep Transfer Clustering},
 booktitle = {International Conference on Computer Vision (ICCV)},
 year      = {2019}
}
Unsupervised Image Matching and Object Discovery as Optimization
Huy V. Vo, Francis Bach, Minsu Cho, Kai Han, Yann LeCun, Patrick PĂ©rez, Jean Ponce
CVPR 2019

[BibTeX]
@inproceedings{vo19unsup,
 title     = {Unsupervised Image Matching and Object Discovery as Optimization},
 author    = {Huy V. Vo and Francis Bach and Minsu Cho and Kai Han and Yann LeCun and Patrick P\'{e}rez and Jean Ponce},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2019}
}
Self-calibrating Deep Photometric Stereo Networks
Guanying Chen, Kai Han, Boxin Shi, Yasuyuki Matsushita, Kwan-Yee K. Wong
CVPR 2019 (Oral presentation)

[BibTeX]
@inproceedings{chen19SDPS_Net,
 title     = {Self-calibrating Deep Photometric Stereo Networks},
 author    = {Guanying Chen and Kai Han and Boxin Shi and Yasuyuki Matsushita and Kwan-Yee K. Wong},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2019}
}
SLearning Transparent Object Matting
Guanying Chen*, Kai Han*, Kwan-Yee K. Wong
IJCV 2019

[BibTeX]
@article{chen19LTOM,
 title   = {Learning Transparent Object Matting},
 author  = {Guanying Chen and Kai Han and Kwan-Yee K. Wong},
 journal = {International Journal of Computer Vision (IJCV)},
 year    = {2019}
}

2018

PS-FCN: A Flexible Learning Framework for Photometric Stereo
Guanying Chen, Kai Han, Kwan-Yee K. Wong
ECCV 2018

[BibTeX]
@inproceedings{chen18ps_fcn,
 title     = {PS-FCN: A Flexible Learning Framework for Photometric Stereo},
 author    = {Guanying Chen and Kai Han and Kwan-Yee K. Wong},
 booktitle = {European Conference on Computer Vision (ECCV)},
 year      = {2018}
}
TOM-Net: Learning Transparent Object Matting from a Single Image
Guanying Chen*, Kai Han*, Kwan-Yee K. Wong
CVPR 2018 (Spotlight presentation)

[BibTeX]
@inproceedings{chen18tom_net,
 title     = {TOM-Net: Learning Transparent Object Matting from a Single Image},
 author    = {Guanying Chen and Kai Han and Kwan-Yee K. Wong},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2018}
}
Dense Reconstruction of Transparent Objects by Altering Incident Light Paths Through Refraction
Kai Han, Kwan-Yee K. Wong, Miaomiao Liu
IJCV 2018

[BibTeX]
@article{han18dense,
 title   = {Dense Reconstruction of Transparent Objects by Altering Incident Light Paths through Refraction},
 author  = {Kai Han and Kwan-Yee K. Wong and Miaomiao Liu},
 journal = {International Journal of Computer Vision (IJCV)},
 year    = {2018}
}

2017

SCNet: Learning Semantic Correspondence
Kai Han, Rafael S. Rezende, Bumsub Ham, Kwan-Yee K. Wong, Minsu Cho, Cordelia Schmid, Jean Ponce
ICCV 2017

[BibTeX]
@inproceedings{han17scnet,
 title     = {SCNet: Learning Semantic Correspondence},
 author    = {Kai Han and Rafael S. Rezende and Bumsub Ham and Kwan-Yee K. Wong and Minsu Cho and Cordelia Schmid and Jean Ponce},
 booktitle = {International Conference on Computer Vision (ICCV)},
 year      = {2017}
}

2016

Single View 3D Reconstruction under an Uncalibrated Camera and an Unknown Mirror Sphere
Kai Han, Kwan-Yee K. Wong, Xiao Tan
3DV 2016

[BibTeX]
@inproceedings{han16single,
 author    = {Kai Han and Kwan-Yee K. Wong and Xiao Tan},
 title     = {Single View 3D Reconstruction under an Uncalibrated Camera and an Unknown Mirror Sphere},
 booktitle = {International Conference on 3D Vision (3DV)},
 year      = {2016}
}
Mirror Surface Reconstruction Under an Uncalibrated Camera
Kai Han, Kwan-Yee K. Wong, Dirk Schnieders, Miaomiao Liu
CVPR 2016

[BibTeX]
@inproceedings{han16mirror,
 author    = {Kai Han and Kwan-Yee K. Wong and Dirk Schnieders and Miaomiao Liu},
 title     = {Mirror Surface Reconstruction under an Uncalibrated Camera},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2016}
}

2015

A Fixed Viewpoint Approach for Dense Reconstruction of Transparent Objects
Kai Han, Kwan-Yee K. Wong, Miaomiao Liu
CVPR 2015

[BibTeX]
@inproceedings{han15afixed,
 author    = {Kai Han and Kwan-Yee K. Wong and Miaomiao Liu},
 title     = {A Fixed Viewpoint Approach for Dense Reconstruction of Transparent Objects},
 booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
 year      = {2015}
}

Preprints

Learning Inverse Rendering of Faces from Real-world Videos
Yuda Qiu*, Zhangyang Xiong*, Kai Han, Zhongyuan Wang, Zixiang Xiong, Xiaoguang Han
arXiv preprint, 2020

[BibTeX]
@article{qiu20learning,
 author  = {Yuda Qiu and Zhangyang Xiong and Kai Han and Zhongyuan Wang and Zixiang Xiong and Xiaoguang Han},
 title   = {Learning Inverse Rendering of Faces from Real-world Videos},
 journal = {arXiv preprint arXiv:2003.12047},
 year    = {2020},
}