My primary research interest is massively data-driven, image-based graphics and vision. This includes image completion, scene understanding, texture synthesis, texture analysis, or any technique that allows the intelligent use of images.

Publications

James Hays and Alexei Efros
"Scene Completion Using Millions of Photographs"
ACM Transactions on Graphics (SIGGRAPH 2007)

Eugene Zhang, James Hays, and Greg Turk,
"Interactive Tensor Field Design and Visualization on Surfaces,"
IEEE Transaction on Visualization and Computer Graphics, 2007, Vol 13(1), pp 94-107.

James Hays, Marius Leordeanu, Alexei Efros, and Yanxi Liu,
"Discovering Texture Regularity as a Higher-Order Correspondence Problem,"
ECCV 2006.

Wen-Chieh Lin, James Hays, Chenyu Wu, Vivek Kwatra, and Yanxi Liu,
"Quantitative Evaluation of Near Regular Texture Synthesis Algorithms,"
CVPR 2006.

Yanxi Liu, Wen-Chieh Lin, and James Hays,
"Near-regular Texture Analysis and Manipulation",
ACM Transactions on Graphics (SIGGRAPH 2004), 23(3), August 2004.

James Hays and Irfan Essa,
"Image and Video-based Painterly Animation",
Non-Photorealistic Animation and Rendering 2004 (NPAR '04). pp. 113-120.

Selected as National Science Foundation Graduate Research Fellow in 2004.
Named College of Computing Outstanding Undergraduate Researcher in Spring 2003.
Received President's Undergraduate Research Award in Fall 2002 to continue my NPR work.
Won UROC Symposium in Spring 2002 with my Painterly Animation project.
Received Intel Undergraduate Award in Summer 2001 for my Non-photorealistic rendering research.

UIUC - Scene Completion Using Millions of Photographs.
MIT - Scene Completion Using Millions of Photographs.

The Independent (Sept 19, 2007): Instant makeup: Perfect your holiday snaps
MSNBC (Sept 12, 2007): Software turns photos from bad to good
BBC News (August 8, 2007): Photo tool could fix bad images
USA Today (June 12, 2007): Researchers try Google photo tactic
Cynthia Baron (2008): Adobe Photoshop Forensics: Sleuths, Truths, and Fauxtography. pp. 264-266.

Carnegie Mellon University, Pittsburgh, Pennsylvania
    Fall 2003 to present
    Ph.D. student in Computer Science Department
    Member of Graphics lab, advised by Dr. Alexei Efros

Georgia Institute of Technology, Atlanta, Georgia
    Fall 1999 to Spring 2003.
    Major: Computer Science.
    GPA: 3.61/4.0 - highest honors

Research Experience

Research Assistant with CMU Graphics Lab
    Fall 2003 to present.

Computational Perception Lab researcher
    Winter 2000 to Fall 2003.
    Researched and implemented texture synthesis algorithms
    Researched non-photorealistic rendering techniques for video

Teaching Experience

Teaching Assistant for 15-463 Rendering and Image Processing, Carnegie Mellon University
    September 2004 to December 2004.

Teaching Assistant for 15-462: Computer Graphics, Carnegie Mellon University
    January 2004 to May 2004.
    Prepared assignments, gave guest lecture, graded.

Volunteer Tutor for Georgia Tech Office of Minority Education
    Spring 2002
    Tutored students for introductory Computer Science classes.

Senior Teaching Assistant for CS1321, Georgia Tech
    August 2001 to December 2001.
    Taught recitation, managed seven TA's and over 170 students.
    Helped prepare course material.

Teaching Assistant for CS1311x, Georgia Tech
    August 2000 to May 2001.
    Taught recitation, managed one section of students.
    Designed and maintained course web site.

Activities and Interests

Photography, astronomy, and gardening.