Feng Liu 
Associate Professor
Department of Computer Science
Maseeh College of Engineering and Computer Science
P.O. Box 751
Portland State University
Portland, OR 97207-0751
Email: fliu@cs.pdx.edu
Phone: (503) 725-3221
Fax: (503) 725-3211
Office: FAB 120-09

Office hours: MW 15:30-16:30
I started the Computer Graphics and Vision Lab at PSU after receiving my Ph.D. in Computer Science from the University of Wisconsin, Madison in 2010. My research interests include computer graphics, computer vision, multimedia, and human computer interaction. I am looking for motivated students with strong mathematical and programming skills to work on exciting projects.
Awards:
Best Paper Honorable Mention Award, ACM CHI 2017
Google Faculty Research Award, 2015
Best Paper Honorable Mention Award, ACM CHI 2015
Best Paper Honorable Mention Award, ACM CHI 2013
Intel Early-Career Faculty Honor Program Award, 2012
UW Computer Sciences Department Graduate Student Research Award (best thesis award), 2010
IBM Watson Emerging Leaders in Multimedia, 2008
Best Paper Runner-up Award, ACM Multimedia 2007 
Teaching:
CS 447/547 Computer Graphics, Fall 2016
CS 410/510 Introduction to Computer Vision, Winter 2017
CS 510/610 Computational Photography, Spring 2017
Selected Projects:
Computational Stereoscopic Cinematography
Video Stabilization
Video Interaction and Visualization
Panorama
Saliency Analysis
Aesthetics
Selected Papers:
Video Frame Interpolation via Adaptive Convolution
Simon Niklaus, Long Mai,
and Feng Liu
IEEE CVPR 2017 (spotlight)

Video Frame Interpolation via Adaptive Separable Convolution
Simon Niklaus, Long Mai,
and Feng Liu
IEEE ICCV 2017 Code

Vremiere: In-headset Virtual Reality Video Editing
Cuong Nguyen, Stephen DiVerdi, Aaron Hertzmann,
and Feng Liu
ACM CHI 2017 (best paper honorable mention award)
CloverVR is based on this project. Live demo at Adobe Max 2016

CollaVR : Collaborative In-Headset Review for VR Video
Cuong Nguyen, Stephen DiVerdi, Aaron Hertzmann,
and Feng Liu
ACM UIST 2017
Composition-preserving Deep Photo Aesthetics Assessment
Long Mai, Hailin Jin
and Feng Liu
IEEE CVPR 2016
Gaze-based Notetaking for Learning from Lecture Videos
Cuong Nguyen
and Feng Liu
ACM CHI 2016
Casual Stereoscopic Panorama Stitching
Fan Zhang
and Feng Liu
IEEE CVPR 2015  
Kernel Fusion for Better Image Deblurring
Long Mai
and Feng Liu
IEEE CVPR 2015  
Making Software Tutorial Video Responsive
Cuong Nguyen
and Feng Liu
ACM CHI 2015  (best paper honorable mention award)
Parallax-tolerant Image Stitching
Fan Zhang
and Feng Liu
IEEE CVPR 2014  
Depth Enhancement via Low-rank Matrix Completion
Si Lu, Xiaofeng Ren,
and Feng Liu
IEEE CVPR 2014  
Direct Manipulation Video Navigation on Touch Screens
Cuong Nguyen,
Yuzhen Niu, and Feng Liu
ACM MobileHCI 2014
Joint Subspace Stabilization for Stereoscopic Video
Feng Liu,
Yuzhen Niu, and Hailin Jin
IEEE ICCV 2013  
Direct Manipulation Video Navigation in 3D
Cuong Nguyen,
Yuzhen Niu, and Feng Liu
ACM CHI 2013  (best paper honorable mention award)
Enabling Warping on Stereoscopic Images
Yuzhen Niu, Wu-chi Feng, and Feng Liu
ACM Transactions on Graphics (SIGGRAPH Asia 2012)
Leveraging Stereopsis for Saliency Analysis
Yuzhen Niu, Yujie Geng, Xueqing Li, and Feng Liu
IEEE CVPR 2012
Video Summagator: An Interface for Video Summarization and Navigation
Cuong Nguyen, Yuzhen Niu, and Feng Liu
ACM CHI 2012

Subspace Video Stabilization
Feng Liu, Michael Gleicher, Jue Wang, Hailin Jin, and Aseem Agarwala
ACM Transactions on Graphics (presented at ACM SIGGRAPH 2011),
Vol. 30, Issue 1, 2011

The all-new Warp Stabilizer effect in Adobe After Effects CS5.5 and Adobe Premiere Pro CS 6.0 is largely based on this research.

Content-Preserving Warps for 3D Video Stabilization
Feng Liu, Michael Gleicher, Hailin Jin, and Aseem Agarwala
ACM Transactions on Graphics (ACM SIGGRAPH 2009)
Our video is selected as one of the five Top Videos of 2009 by the New Scientist magazine. Detail

Re-Cinematography: Improving the Camera Dynamics of Casual Video

Michael Gleicher and Feng Liu
ACM Multimedia 2007 (best paper runner-up)

Learning Color and Locality Cues for Moving Object Detection and Segmentation
Feng Liu and Michael Gleicher 
IEEE CVPR 2009
Discovering Panoramas in Web Video
Feng Liu, Yu-hen Hu, and Michael Gleicher
ACM Multimedia 2008
 

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