photo

Kun Xu (Kun Xu)

I am an associate professor in the Department of Computer Science and Technology of Tsinghua University. I received my doctor and bachelor degree from Department of Computer Science and Technology, Tsinghua University in 2009 and in 2005, respectively.

My research interests include: real-time rendering, image/video editing, and 3D scene synthesis.

My contact info:
Email: xukun (at) tsinghua.edu.cn
Office: East Main Building 9-213, Tsinghua Univeristy, Beijing, P.R. China, P.C.: 100084

Academic Services

Awards

Publications

2023
Extended Path Space Manifolds for Physically Based Differentiable Rendering

Jiankai Xing, Xuejun Hu, Fujun Luan, Ling-Qi Yan, Kun Xu

SIGGRAPH Asia, 2023

project page paper video

Image vectorization and editing via linear gradient layer decomposition

Zheng-Jun Du, Liang-Fu Kang, Jianchao Tan, Yotam Gingold, Kun Xu

ACM Transactions on Graphics, 42(4), 97:1 – 97:13, 2023 (SIGGRAPH 2023)

project page paper supplemental slides bibtex 

@article{Du2023Layer,
author = {Du, Zheng-Jun and Kang, Liang-Fu and Tan, Jianchao and Gingold, Yotam and Xu, Kun},
title = {Image Vectorization and Editing via Linear Gradient Layer Decomposition},
year = {2023},
issue_date = {August 2023},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
volume = {42},
number = {4},
issn = {0730-0301},
url = {https://doi.org/10.1145/3592128},
doi = {10.1145/3592128},
journal = {ACM Trans. Graph.},
month = {jul},
articleno = {97},
numpages = {13},
keywords = {vectorization, compositing, layers, recoloring, gradient, color space, images, RGB}
}
2022
LuisaRender: A High-Performance Rendering Framework with Layered and Unified Interfaces on Stream Architectures

Shaokun Zheng, Zhiqian Zhou, Xin Chen, Difei Yan, Chuyan Zhang, Yuefeng Geng, Yan Gu, Kun Xu

ACM Transactions on Graphics 41(6), 232:1 – 232:19, 2022 (SIGGRAPH Asia 2022)

project page paper supplemental code bibtex 

@article{Zheng2022LuisaRender,
title = {LuisaRender: A High-Performance Rendering Framework with Layered and Unified Interfaces on Stream Architectures},
author = {Zheng, Shaokun and Zhou, Zhiqian and Chen, Xin and Yan, Difei and Zhang, Chuyan and Geng, Yuefeng and Gu, Yan and Xu, Kun},
    journal = {ACM Trans. Graph.},
    volume = {41},
    number = {6},
    year = {2022},
    issue_date = {December 2022},
    publisher = {Association for Computing Machinery},
    address = {New York, NY, USA},
    issn = {0730-0301},
    url = {https://doi.org/10.1145/3550454.3555463},
    doi = {10.1145/3550454.3555463},
    month = {dec},
    articleno = {232},
    numpages = {19}
}
Differentiable Rendering using RGBXY Derivatives and Optimal Transport

Jiankai Xing, Fujun Luan, Ling-Qi Yan, Xuejun Hu, Houde Qian, Kun Xu

ACM Transactions on Graphics 41(6), 189:1 – 189:13, 2022 (SIGGRAPH Asia 2022)

project page paper supplemental code bibtex 

@article{Xing2022drot,
    title = {Differentiable Rendering using RGBXY Derivatives and Optimal Transport},
    author = {Xing, Jiankai and Luan, Fujun and Yan, Ling-Qi and Hu, Xuejun and Qian, Houde and Xu, Kun},
    journal = {ACM Trans. Graph.},
    volume = {41},
    number = {6},
    year = {2022},
    issue_date = {December 2022},
    publisher = {Association for Computing Machinery},
    address = {New York, NY, USA},
    url = {https://doi.org/10.1145/3550454.3555479},
    issn = {0730-0301},
    doi = {10.1145/3550454.3555479},
    month = {dec},
    articleno = {189},
    numpages = {13}
}
Unbiased Caustics Rendering Guided by Representative Specular Path

He Li, Beibei Wang, Changehe Tu, Kun Xu, Nicolas Holzschuch, Ling-Qi Yan

In Proceedings of SIGGRAPH Asia, 2022

project page paper supplemental bibtex 

@inproceedings{Li2022Pathcut,
  author = {He Li and Beibei Wang and Changehe Tu and Kun Xu and Nicolas Holzschuch and Ling-Qi Yan},
  title = {Unbiased Caustics Rendering Guided by Representative Specular Paths},
  booktitle={Proceedings of SIGGRAPH Asia 2022},
  year = {2022},
  publisher = {Association for Computing Machinery},
  url = {https://doi.org/10.1145/3550469.3555381},
  doi = {10.1145/3550469.3555381},
}
Neural Color Operators for Sequential Image Retouching

Yili Wang, Xin Li, Kun Xu, Dongliang He, Qi Zhang, Fu Li, Errui Ding

In Proceedings of the European Conference on Computer Vision (ECCV), 2022

project page paper supplemental code bibtex 

@InProceedings{wang2022neurop,
	author = {Wang, Yili and Li, Xin and Xu, Kun and He, Dongliang and Zhang, Qi and Li, Fu and Ding, Errui},
	title = {Neural Color Operators for Sequential Image Retouching},
	booktitle = {Computer Vision -- ECCV 2022},
	year = {2022},
}
Neural Global Illumination: Interactive Indirect Illumination Prediction under Dynamic Area Lights

Duan Gao, Haoyuan Mu, Kun Xu

IEEE Transactions on Visualization and Computer Graphics (Early Access), 2022

paper supplemental video bibtex 

@article{gao2022NGL,  
	author={Gao, Duan and Mu, Haoyuan and Xu, Kun}, 
	journal={IEEE Transactions on Visualization and Computer Graphics},  
	title={Neural Global Illumination: Interactive Indirect Illumination Prediction under Dynamic Area Lights},   year={2022},  
	volume={},  number={},  
	pages={1-17},  
	doi={10.1109/TVCG.2022.3209963}
	}
An Image-to-video Model for Real-Time Video Enhancement

Dongyu She, Kun Xu

In Proceedings of the 30th ACM International Conference on Multimedia, 2022

paper bibtex 

@inproceedings{she2022video,
	author = {She, Dongyu and Xu, Kun},
	title = {An Image-to-Video Model for Real-Time Video Enhancement},
	year = {2022},
	isbn = {9781450392037},
	publisher = {Association for Computing Machinery},
	address = {New York, NY, USA},
	url = {https://doi.org/10.1145/3503161.3548325},
	doi = {10.1145/3503161.3548325},
	booktitle = {Proceedings of the 30th ACM International Conference on Multimedia},
	pages = {1837–1846},
	numpages = {10},
	keywords = {image enhancement, image-to-video model, video enhancement, temporal consistency},
	location = {Lisboa, Portugal},
	series = {MM '22}
	}
2021
Ensemble Denoising for Monte Carlo Renderings

Shaokun Zheng, Fengshi Zheng, Kun Xu, Ling-Qi Yan

ACM Transactions on Graphics 40(6), 274:1 – 274:17, 2021 (SIGGRAPH Asia 2021)

paper slides code bibtex 

@article{Zheng:2021:EnsembleDenoising,
author    = {Zheng, Shaokun and Zheng, Fengshi and Xu, Kun and Yan, Ling-Qi},
title     = {Ensemble Denoising for Monte Carlo Renderings},
journal   = {ACM Transactions on Graphics},
volume    = {40},
number    = {6},
year      = {2021},
articleno = {274},
numpages = {17},
pages = {274:1--274:17}
}
Fast and Accurate Spherical Harmonics Products

Hanggao Xin, Zhiqian Zhou, Di An, Ling-Qi Yan, Kun Xu, Shi-Min Hu, and Shing-Tung Yau

ACM Transactions on Graphics 40(6), 280:1-280:14, 2021 (SIGGRAPH Asia 2021)

paper slides code bibtex 

@article{Xin:2021:SHProducts,
author    = {Xin, Hanggao and Zhou, Zhiqian and An, Di and Yan, Ling-Qi and Xu, Kun and Hu, Shi-Min and Yau, Shing-Tung},
title     = {Fast and Accurate Spherical Harmonics Products},
journal   = {ACM Transactions on Graphics},
volume    = {40},
number    = {6},
year      = {2021},
articleno = {280},
numpages = {14},
pages = {280:1--280:14}
}
Video Recoloring via Spatial-Temporal Geometric Palettes

Zheng-Jun Du, Kai-Xiang Lei, Kun Xu, Jianchao Tan, Yotam Gingold

ACM Transactions on Graphics, 40(4), 150:1-150:16,2021 (SIGGRAPH 2021)

paper slides video supplemental code bibtex 

@article{Du:2021:VRS,
author    = {Du, Zheng-Jun and Lei, Kai-Xiang and Xu, Kun and Tan, Jianchao and Gingold, Yotam},
title     = {Video Recoloring via Spatial-Temporal Geometric Palettes},
journal   = {ACM Transactions on Graphics},
volume    = {40},
number    = {4},
year      = {2021},
month     = aug,
articleno = {150},
numpages = {16},
keywords = {free-viewpoint, neural rendering, relighting},
pages = {150:1--150:16},
keywords  = {Palette, Color, Grading, Painting, Image, Video, Spatial-temporal, Recoloring, Layer, RGB}
}
Hierarchical Layout-Aware Graph Convolutional Network for Unified Aesthetics Assessment

Dongyu She, Yu-Kun Lai, Gaoxiong Yi, Kun Xu

In Proceedings of IEEE CVPR 2021.

paper supplemental jittor code bibtex 

@InProceedings{She:2021:AestheticsAssessment,
    author    = {She, Dongyu and Lai, Yu-Kun and Yi, Gaoxiong and Xu, Kun},
    title     = {Hierarchical Layout-Aware Graph Convolutional Network for Unified Aesthetics Assessment},
    booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
    month     = {June},
    year      = {2021},
    pages     = {8475-8484}
}
2020
Deferred Neural Lighting: Free-viewpoint Relighting from Unstructured Photographs

Duan Gao, Guojun Chen, Yue Dong, Pieter Peers, Kun Xu, Xin Tong

ACM Transactions on Graphics, 39(6), 258:1-258:15,2020 (SIGGRAPH Asia 2020)

paper slides video supplemental code bibtex 

@article{Gao2020DeferredNeuralLighting,
author = {Gao, Duan and Chen, Guojun and Dong, Yue and Peers, Pieter and Xu, Kun and Tong, Xin},
title = {Deferred Neural Lighting: Free-Viewpoint Relighting from Unstructured Photographs},
year = {2020},
volume = {39},
number = {6},
doi = {10.1145/3414685.3417767},
journal = {ACM Transactions on Graphics},
month = nov,
articleno = {258},
numpages = {15},
keywords = {free-viewpoint, neural rendering, relighting},
pages = {258:1--258:15},
}
Lightweight Bilateral Convolutional Neural Networks for Interactive Single-bounce Diffuse Indirect Illumination

Hanggao Xin, Shaokun Zheng, Kun Xu, Ling-Qi Yan

IEEE Transactions on Visualization and Computer Graphics, 2020, accepted.

paper video code bibtex 

@ARTICLE{Xin2020BilateralCNN,
  author={Xin, Hanggao and Zheng, Shaokun and Xu, Kun and Yan, Ling-Qi},
  journal={IEEE Transactions on Visualization and Computer Graphics}, 
  title={Lightweight Bilateral Convolutional Neural Networks for Interactive Single-bounce Diffuse Indirect Illumination}, 
  year={2020},
  volume={},
  number={},
  pages={1-1},
  doi={10.1109/TVCG.2020.3023129}
}

2019
Adversarial Monte Carlo denoising with conditioned auxiliary feature modulation

Bing Xu, Junfei Zhang, Rui Wang, Kun Xu, Yong-Liang Yang, Chuan Li, Rui Tang

ACM Transactions on Graphics, 38(6), 224:1--224:12, 2019. (SIGGRAPH Asia 2019)

project page paper bibtex 

@article{Xu2019AdversarialMCDenoising,
 author = {Bing Xu and Junfei Zhang and Rui Wang and Kun Xu and Yong-Liang Yang and Chuan Li and Rui Tang},
 title = {Adversarial Monte Carlo Denoising with Conditioned Auxiliary Feature},
 journal = {ACM Transactions on Graphics},
 volume = {38},
 number = {6},
 year = {2019},
 pages = {224:1--224:12},
 articleno = {224},
 numpages = {12},
}
An Improved Geometric Approach for Palette‐based Image Decomposition and Recoloring

Yili Wang, Yifan Liu, Kun Xu

Computer Graphics Forum 38(7), 11-22, 2019. (PG 2019)

paper slides code bibtex 

@article{Wang2019ImprovedPalette,
author = {Wang, Yili and Liu, Yifan and Xu, Kun},
title = {An Improved Geometric Approach for Palette-based Image Decomposition and Recoloring},
journal = {Computer Graphics Forum},
volume = {38},
number = {7},
pages = {11--22},
year = {2019}
}
Adaptive BRDF-Aware Multiple Importance Sampling of Many Lights

Yifan Liu, Kun Xu, Ling-Qi Yan

Computer Graphics Forum 38(4), 123-133, 2019. (EGSR 2019)

paper slides code bibtex 

@article{Liu2019BRDFOrientedSampling,
author = {Liu, Yifan and Xu, Kun and Yan, Ling-Qi},
title = {Adaptive BRDF-Oriented Multiple Importance Sampling of Many Lights},
journal = {Computer Graphics Forum},
volume = {38},
number = {4},
pages = {123--133},
year = {2019}
}
Deep Inverse Rendering for High-resolution SVBRDF Estimation from an Arbitrary Number of Images

Duan Gao, Xiao Li, Yue Dong, Pieter Peers, Kun Xu, Xin Tong

ACM Transactions on Graphics, 38(4), 134:1-134:15, 2019. (SIGGRAPH 2019)

paper slides code bibtex 

@article{Gao2019EstimationSVBRDF,
 author = {Gao, Duan and Li, Xiao and Dong, Yue and Peers, Pieter and Xu, Kun and Tong, Xin},
 title = {Deep Inverse Rendering for High-resolution SVBRDF Estimation from an Arbitrary Number of Images},
 journal = {ACM Transactions on Graphics},
 issue_date = {July 2019},
 volume = {38},
 number = {4},
 month = jul,
 year = {2019},
 issn = {0730-0301},
 pages = {134:1--134:15},
 articleno = {134},
 numpages = {15},
 doi = {10.1145/3306346.3323042},
}
Two-Layer QR Codes

Tailing Yuan, Yili Wang, Kun Xu, Ralph R. Martin, Shi-Min Hu

IEEE Transactions on Image Processing, 28(9):4413-4428,2019.

paper video code bibtex 

@article{Yuan19TwoLayerQRCodes,
  author = {Tailing Yuan and Yili Wang and Kun Xu and Ralph R. Martin and Shi-Min Hu},
  title = {Two-Layer QR Codes},
  journal = {IEEE Transactions on Image Processing},
  volume = {28},
  number = {9},
  year = {2019},
  pages = {4413--4428},
}
A Large Chinese Text Dataset in the Wild

Tai-Ling Yuan, Zhe Zhu, Kun Xu, Cheng-Jun Li, Tai-Jiang Mu, Shi-Min Hu

Journal of Computer Science and Technology, 34(3), 509-521, 2019.

project page paper supplemental dataset bibtex 

@article{Yuan19CTW,
  author = {Tai-Ling Yuan and Zhe Zhu and Kun Xu and Cheng-Jun Li and Tai-Jiang Mu and Shi-Min Hu},
  title = {A Large Chinese Text Dataset in the Wild},
  journal = {Journal of Computer Science and Technology},
  volume = {34},
  number = {3},
  year = {2019},
  pages = {509--521},
}

2018
Real-time High-fidelity Surface Flow Simulation

Bo Ren, Tailing Yuan, Chenfeng Li, Kun Xu, and Shi-Min Hu

IEEE Transactions on Visualization and Computer Graphics, 24(8), 2411-2423, 2018.

paper video bibtex 

@article{Ren18SurfaceFlow,
  author = {Bo Ren and Tailing Yuan and Chenfeng Li and Kun Xu and Shi-Min Hu},
  title = {Real-time High-fidelity Surface Flow Simulation},
  journal = {IEEE Transactions on Visualization and Computer Graphics},
  volume = {24},
  number = {8},
  year = {2018},
  pages = {2411--2423},
}
Computational Design of Transforming Pop-up Books

Nan Xiao, Zhe Zhu, Ralph R. Martin, Kun Xu, Jia-Ming Lu, and Shi-Min Hu

ACM Transactions on Graphics, 37(1), 8:1--8:14, 2018. (presented at SIGGRAPH 2018)

paper video bibtex 

@article{Xiao18TransformPopup,
  author = {Xiao, Nan and Zhu, Zhe and Martin, Ralph R. and Xu, Kun and Lu, Jia-Ming and Hu, Shi-Min},
  title = {Computational Design of Transforming Pop-up Books},
  journal = {ACM Transactions on Graphics},
  volume = {37},
  number = {1},
  year = {2018},
  pages = {8:1--8:14},
}

2017
A survey of image synthesis and editing with generative adversarial networks

Xian Wu, Kun Xu, and Peter Hall

Tsinghua Science and Technology, 22(6), 660-674, 2017.

paper bibtex 

@article{Wu17GANSurvey,
  author = {Xian Wu and Kun Xu and Peter Hall},
  title = {A survey of image synthesis and editing with generative adversarial networks},
  journal = {Tsinghua Science and Technology},
  volume = {22},
  number = {6},
  year = {2017},
  pages = {660--674},
}
Static Scene Illumination Estimation from Video with Applications

Bin Liu, Kun Xu, and Ralph R. Martin

Journal of Computer Science and Technology, 32(3), 430-442, 2017.

paper video bibtex 

@article{Liu17VideoInsert,
  author = {Bin Liu and Kun Xu and Ralph Martin},
  title = {Static Scene Illumination Estimation from Video with Applications},
  journal = {Journal of Computer Science and Technology},
  volume = {32},
  number = {3},
  year = {2017},
  pages = {430--442},
}

2016
Efficient, Edge-Aware, Combined Color Quantization and Dithering

Hao-Zhi Huang, Kun Xu, Ralph R. Martin, Fei-Yue Huang, and Shi-Min Hu

IEEE Transactions on Image Processing, 25(3), 1152-1162, 2016.

paper bibtex 

@article{Huang16ColorQuantization,
  author = {Hao-Zhi Huang and Kun Xu and Ralph R. Martin and Fei-Yue Huang and Shi-Min Hu},
  title = {Efficient, Edge-Aware, Combined Color Quantization and Dithering},
  journal = {IEEE Transactions on Image Processing},
  volume = {25},
  number = {3},
  year = {2016},
  pages = {1152--1162},
}
Faithful Completion of Images of Scenic Landmarks using Internet Images

Zhe Zhu, Hao-Zhi Huang, Zhi-Peng Tan, Kun Xu, and Shi-Min Hu

IEEE Transactions on Visualization and Computer Graphics, 22(8), 1945 - 1958, 2016.

paper bibtex 

@article{Zhu16FaithfulCompletion,
  author = {Zhu, Zhe and Huang, Hao-Zhi and Tan, Zhi-Peng and Xu, Kun and Hu, Shi-Min},
  title = {Faithful Completion of Images of Scenic Landmarks using Internet Images},
  journal = {IEEE Transactions on Visualization and Computer Graphics},
  volume = {22},
  number = {8},
  year = {2016},
  pages = {1945--1958},
}

2015
Magic Decorator: Automatic Material Suggestion for Indoor Digital Scenes

Kang Chen, Kun Xu, Yizhou Yu, Tian-Yi Wang, Shi-Min Hu

ACM Transactions on Graphics, 34(6), 232:1 - 232:11, 2015. (SIGGRAPH Asia 2015)

project page paper 22M slides 85M supplemental 45M video 45M bibtex 

@article{Chen15MagicDecorator,
  author = {Chen, Kang and Xu, Kun and Yu, Yizhou and Wang, Tian-Yi and Hu, Shi-Min},
  title = {Magic Decorator: Automatic Material Suggestion for Indoor Digital Scenes},
  journal = {ACM Transactions on Graphics},
  volume = {34},
  number = {6},
  year = {2015},
  pages = {232:1--232:11},
}

2014
A Practical Algorithm for Rendering Interreflections with All-frequency BRDFs

Kun Xu, Yan-Pei Cao, Li-Qian Ma, Zhao Dong, Rui Wang, Shi-Min Hu

ACM Transactions on Graphics, 33(1), 10:1 - 10:16, 2014. (presented at SIGGRAPH 2014)

project page paper 1.2M slides 37M video 30.9M bibtex 

@article{Xu14Interreflection,
  author = {Xu, Kun and Cao, Yan-Pei and Ma, Li-Qian and Dong, Zhao and Wang, Rui and Hu, Shi-Min},
  title = {A Practical Algorithm for Rendering Interreflections with All-frequency BRDFs},
  journal = {ACM Transactions on Graphics},
  volume = {33},
  number = {1},
  year = {2014},
  pages = {10:1--10:16},
}

2013
Anisotropic Spherical Gaussians

Kun Xu, Wei-Lun Sun, Zhao Dong, Dan-Yong Zhao, Run-Dong Wu, Shi-Min Hu

ACM Transactions on Graphics 32(6), 209:1 - 209:11, 2013. (SIGGRAPH Asia 2013).

project page paper 2.3M slides 16.5M supplemental 1.7M video 45.8M bibtex 

@article{Xu13AnisotropicSG,
  author = {Kun Xu and Wei-Lun Sun and Zhao Dong and Dan-Yong Zhao and Run-Dong Wu and Shi-Min Hu},
  title = {Anisotropic Spherical Gaussians},
  journal = {ACM Transactions on Graphics},
  volume = {32},
  number = {6},
  year = {2013},
  pages = {209:1--209:11},
}
Inverse Image Editing: Recovering a Semantic Editing History from a Before-and-After Image Pair

Shi-Min Hu, Kun Xu, Li-Qian Ma, Bin Liu, Bi-Ye Jiang, Jue Wang

ACM Transactions on Graphics 32(6), 194:1 - 194:11, 2013. (SIGGRAPH Asia 2013).

project page paper 8.2M slides 43.4M supplemental 13.6M bibtex 

@article{Hu13InverseImageEditing,
  author = {Shi-Min Hu and Kun Xu and Li-Qian Ma and Bin Liu and Bi-Ye Jiang and Jue Wang},
  title = {Inverse Image Editing: Recovering a Semantic Editing History from a Before-and-After Image Pair},
  journal = {ACM Transactions on Graphics},
  volume = {32},
  number = {6},
  year = {2013},
  pages = {194:1--194:11},
}
Change Blindness Images

Li-Qian Ma, Kun Xu, Tien-Tsin Wong, Bi-Ye Jiang, Shi-Min Hu

IEEE Transactions on Visualization and Computer Graphics 19(11),1808-1819, 2013.

project page paper 3.9M slides 6.7M supplemental 3.5M video 13.2M bibtex 

@article{Ma13ChangeBlindness,
  author = {Li-Qian Ma and Kun Xu and Tien-Tsin Wong and Bi-Ye Jiang and Shi-Min Hu},
  title = {Change Blindness Images},
  journal = {IEEE Transactions on Visualization and Computer Graphics},
  volume = {19},
  number = {11},
  year = {2013},
  pages = {1808--1819},
}
Sketch2Scene: Sketch-based Co-retrieval and Co-placement of 3D Models

Kun Xu, Kang Chen, Hongbo Fu, Wei-Lun Sun, Shi-Min Hu

ACM Transactions on Graphics 32(4), 123:1-123:12, 2013. (SIGGRAPH 2013).

project page paper 6.1M pptx 33.0M supplemental 4.4M video 12.5M bibtex 

@article{Xu12Sketch2scene,
  author = {Kun Xu and Kang Chen and Hongbo Fu and Wei-Lun Sun and Shi-Min Hu},
  title = {Sketch2Scene: sketch-based co-retrieval and co-placement of 3D models},
  journal = {ACM Transactions on Graphics},
  volume = {32},
  number = {4},
  year = {2013},
  pages = {123:1--123:12},
}

2012
Accurate Translucent Material Rendering under Spherical Gaussian Lights

Ling-Qi Yan, Yahan Zhou, Kun Xu, Rui Wang

Computer Graphics Forum 31(7), 2267–2276, 2012. (Pacific Graphics 2012)

paper bibtex 

@article{Yan12GaussianTranslucent,
  author = {Ling-Qi Yan and Yahan Zhou and Kun Xu and Rui Wang},
  title = {Accurate Translucent Material Rendering under Spherical Gaussian Lights},
  journal = {Computer Graphics Forum},
  volume = {31},
  number = {7},
  year = {2012},
  pages = {2267-–2276},
}
Efficient Antialiased Edit Propagation for Images and Videos

Li-Qian Ma, Kun Xu

Computer & Graphics 36(8), 1005–1012, 2012.

paper bibtex 

@article{Ma12AntialiasedEditPropagation,
  author = {Li-Qian Ma and Kun Xu},
  title = {Efficient Antialiased Edit Propagation for Images and Videos},
  journal = {Computer and Graphics},
  volume = {36},
  number = {8},
  year = {2012},
  pages = {1005–-1012},
}

2011
Interactive Hair Rendering and Appearance Editing under Environment Lighting

Kun Xu, Li-Qian Ma, Bo Ren, Rui Wang, Shi-Min Hu

ACM Transactions on Graphics 30(6), 173:1-173:10, 2011. (SIGGRAPH Asia 2011)

project page paper 1.9M pptx 34.6M pptx 4.4M (no video) supplemental 1.3M video 53.2M bibtex 

@article{Xu11sigasia,
  author = {Kun Xu and Li-Qian Ma and Bo Ren and Rui Wang and Shi-Min Hu},
  title = {Interactive Hair Rendering and Appearance Editing under Environment Lighting},
  journal = {ACM Transactions on Graphics},
  volume = {30},
  number = {6},
  year = {2011},
  pages = {173:1--173:10},
  articleno = {173},
}

2009
Efficient Affinity-based Edit Propagation using K-D Tree

Kun Xu, Yong Li, Tao Ju, Shi-Min Hu, Tian-Qiang Liu

ACM Transactions on Graphics 28(5), 118:1-118:6, 2009. (SIGGRAPH Asia 2009)

paper slides video bibtex 

@article{Xu09sigasia,
  author = {Kun Xu and Yong Li and Tao Ju and Shi-Min Hu and Tian-Qiang Liu},
  title = {Efficient Affinity-based Edit Propagation using K-D Tree},
  journal = {ACM Transactions on Graphics},
  volume = {28},
  number = {5},
  year = {2009},
  pages = {118:1--118:6},
  articleno = {118},
}
Edit Propagation on Bidirectional Texture Functions

Kun Xu, Jiaping Wang, Xin Tong, Shi-Min Hu, Baining Guo

Computer Graphics Forum 28(7), 1871-1877, 2009. (Pacific Graphics 2009)

paper video bibtex 

@article{Xu09pg,
  author = {Kun Xu and Jiaping Wang and Xin Tong and Shi-Min Hu and Baining Guo },
  title = {Edit Propagation on Bidirectional Texture Functions},
  journal = {Computer Graphics Forum},
  volume = {28},
  number = {7},
  year = {2009},
  pages = {1871--1877},
}

2008
Spherical Piecewise Constant Basis Functions for All-Frequency Precomputed Radiance Transfer

Kun Xu, Yun-Tao Jia, Hongbo Fu, Shi-Min Hu, Chiew-Lan Tai

IEEE Transaction on Visualization and Computer Graphics 14(2), 454-467, 2008.

paper video bibtex 

@article{Xu08tvcg,
  author = {Kun Xu and Yun-Tao Jia and Hongbo Fu and Shi-Min Hu and Chiew-Lan Tai},
  title = {Spherical Piecewise Constant Basis Functions for All-Frequency Precomputed Radiance Transfer},
  journal = {IEEE Transaction on Visualization and Computer Graphics},
  volume = {14},
  number = {2},
  year = {2008},
  pages = {454--467},
}

2007
Real-time homogeneous translucent material editing

Kun Xu, Yue Gao, Yong Li, Tao Ju, Shi-Min Hu

Computer Graphics Forum 26(3), 545-552, 2007. (EuroGraphics 2007)

paper video bibtex 

@article{Xu07eg,
  author = {Kun Xu and Yue Gao and Yong Li and Tao Ju and Shi-Min Hu},
  title = {Real-time Homogenous Translucent Material Editing},
  journal = {Computer Graphics Forum},
  volume = {26},
  number = {3},
  year = {2007},
  pages = {545--552},
}

2006
Spherical Harmonics Scaling

Jiaping Wang, Kun Xu, Kun Zhou, Stephen Lin, Shi-Min Hu, Baining Guo

Pacific Conference on Computer Graphics and Applications, Oct 2006.
The Visual Computer, Volume 22, p713-720, Sept 2006.

paper video bibtex 

@article{Wang06pg,
  author = {Jiaping Wang and Kun Xu and Kun Zhou and Stephen Lin and Shi-Min Hu and Baining Guo},
  title = {Spherical Harmonics Scaling},
  journal = {The Visual Computer},
  volume = {22},
  month = {Sept},
  year = {2006},
  pages = {713-720}
}