• Visual Cues for Perceiving Distances from Objects to Surfaces, by Helen H. Hu, Amy A. Gooch, Sarah H. Creem-Regehr, and William B. Thompson. Presence: Teleoperators and Virtual Environments, Volume 11, Number 6, December 2002.

• Visual Cues for Imminent Object Contact in Realistic Virtual Environments, by Helen H. Hu, Amy A. Gooch, William B. Thompson, Brian E. Smits, John J. Rieser, and Peter Shirley. Visualization 2000.
  • paper page
  • pdf file
  • postscript file

• Wavelet-based Video Indexing and Querying, by Xiaodong Wen, Theodore D. Huffmire, Helen H. Hu, and Adam Finkelstein. Multimedia Systems, pp. 350-358, 7 (5), 1999.
  • paper page

• A Practitioners' Assessment of Light Reflection Models, by Peter Shirley, Helen Hu, Brian Smits, and Eric Lafortune. Pacific Graphics 1997.
  • paper page
  • pdf file
  • postscript file