Qifeng Chen (陈启峰)


Email: chenqifeng22@gmail.com



About Me, Google Scholar, DBLP

If you are experienced in ACM-ICPC and interested in doing PhD/MPhil with me at HKUST, please contact me.
 

Publications

Semi-parametric Image Synthesis
Xiaojuan Qi, Qifeng Chen, Jiaya Jia, and Vladlen Koltun
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2018
Oral Presentation (2.1% acceptance rate)
Code and data

Interactive Image Segmentation with Latent Diversity
Zhuwen Li, Qifeng Chen, and Vladlen Koltun
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2018

Single Image Reflection Separation with Perceptual Losses
Xuaner Zhang, Ren Ng, and Qifeng Chen
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2018
Supplementary Material

Learning to See in the Dark
Chen Chen, Qifeng Chen, Jia Xu, and Vladlen Koltun
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2018
Project website

Photographic Image Synthesis with Cascaded Refinement Networks
Qifeng Chen and Vladlen Koltun
IEEE International Conference on Computer Vision (ICCV), 2017
Oral Presentation (2.1% acceptance rate)
Project website

Fast Image Processing with Fully-Convolutional Networks
Qifeng Chen*, Jia Xu*, and Vladlen Koltun
IEEE International Conference on Computer Vision (ICCV), 2017
Project website

Full Flow: Optical Flow Estimation By Global Optimization over Regular Grids
Qifeng Chen and Vladlen Koltun
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2016
Oral Presentation (3.9% acceptance rate)
Project website (with source code)

Dense Monocular Depth Estimation in Complex Dynamic Scenes
René Ranftl, Vibhav Vineet, Qifeng Chen, and Vladlen Koltun
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2016

Robust Nonrigid Registration by Convex Optimization
Qifeng Chen and Vladlen Koltun
IEEE International Conference on Computer Vision (ICCV), 2015
Oral Presentation (3.3% acceptance rate)
Project website (with Matlab source code)

Fast MRF Optimization with Application to Depth Reconstruction
Qifeng Chen and Vladlen Koltun
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2014
Project website (with C++ and Matlab source code)

A Simple Model for Intrinsic Image Decomposition with Depth Cues
Qifeng Chen and Vladlen Koltun
IEEE International Conference on Computer Vision (ICCV), 2013
Matlab source code (updated on 2 Dec 2015) Supplementary material Poster
Please email to sintel@tue.mpg.de for the MPI Sintel dataset.

Motion-Aware KNN Laplacian for Video Matting
Dingzeyu Li, Qifeng Chen, and Chi-Keung Tang
IEEE International Conference on Computer Vision (ICCV), 2013
Project website

KNN Matting (with extension to layer color estimation)
Qifeng Chen, Dingzeyu Li, and Chi-Keung Tang
IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI), 2013
Matlab source code (for layer color estimation)

KNN Matting
Qifeng Chen, Dingzeyu Li, and Chi-Keung Tang
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2012
Project website (with Matlab source code)
 

Honors

Full Oral Presentations at ICCV 2015, CVPR 2016, ICCV 2017, and CVPR 2018

Gold Medal (2nd place worldwide and North American Champions) at ACM-ICPC World Finals 2011

Champion at Mr Armin and Mrs Lillian Kitchell Undergraduate Research Award 2012

Gold Medal (8th place) at IOI 2007

12th place at Google Code Jam World Finals 2012

Services

Reviewer: PAMI, ICCV, CVPR, ECCV, SIGGRAPH, SIGGRAPH Asia, 3DV, ICRA, TIP,
                 Eurographics, ACCV, J-STSP, ICPR, CAD/Graphics, IEEE SPL, CVIU, TCSVT, AAAI

Teaching Assistant: CS143@Stanford (Spring 2015), CS205A@Stanford (Spring 2016)

Miscellaneous

I co-founded Lino that builds YouTube on the blockchain.
I blog on Steemit and DLive, a blockchain-based rewarding social network.

Size Balanced Tree: A data structure I came up with a long time ago.
http://wcipeg.com/wiki/Size_Balanced_Tree. More information is at SBT.

The code library I used when participating in ACM-ICPC: Download