Main Research Interests:
* Wavelet analysis, Time-frequency analysis
* Approximation theory
* Data processing
* Online education using artificial intelligence
External Grants/Contracts:
* DARPA-Proposal for Division of GEO; (subcontract from University of North Carolina),
"Meshless wavelets and their application to terrain modeling", PI W. He, Co-PI C. K. Chui,
amount awarded $553,559, 6/01/2005-5/31/2010.
* NSF-Proposal for Division of Computer-Communications Research, "Spline-Wavelet Frames in Computer Graphics
and other Applications", PI C.K. Chui, Co-PI W. He, amount awarded $292,000, 6/30/2001-6/30/2004.
* NSF-Proposal for Division of Computer-Communications Research,
"Tight Frames of Rational Splines and Application to CAD/CAM and Computer Graphics",
PI C.K. Chui, Co-PI W. He, amount awarded $193,986, from 6/30/2000-6/30/2003.
* NSF-Proposal for Division of Mathematical Sciences, "Wavelet-based Modelling and Image Analysis",
PI J. Stoeckler, Co-PI C.K. Chui, W. He, C. Liu, G. Welland and S. Zhao, amount awarded $45,226, 2000-2001.
* "Server Support for Team-Based Learning Apps" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2017.
* "Registry Service User Interface" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2016.
* "Space Planning" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2013.
* "Social Media Integration Using Facebook API" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2012.
* "Outbound Notification Administration Console" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2011.
* "Express Scripts Member Touch Point Analysis" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2010.
* "Express Scripts HealthBridge Data Access System" (continuation, from Express Scripts, Inc.),
PI C. Janikow, Co-PI W. He, 2010.
* "Express Scripts HealthBridge Data Access System" (from Express Scripts, Inc.), PI C. Janikow,
Co-PI W. He, 2009.
* "Express Scripts Pharmacy Locator" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2009.
* "Express Scripts Mobile Web Portal" (from Express Scripts, Inc.), PI C. Janikow, Co-PI W. He, 2008.
UM/UMSL Grants:
* University of Missouri - St. Louis Grant for Curriculum Development of College of Art and Science,
"Develop a Web-Based Teaching/Learning Tool for the Course of Enterprise Web Development",
PI W. He, amount $6,000, 1/1/2012-12/31/2012.
* University of Missouri - St. Louis Innovation Grant for Integrating Technology in Teaching and Learning,
"A Correlated-Keywords-Based Search Tool for Web Technology Learning", PI W. He, amount $3,600, 1/1/2010-12/31/2010.
* University of Missouri Research Board, "Tight Frames Associated with Rational Splines",
PI W. He, amount awarded $10,295, from 6/1/2000-12/1/2000.
* University of Missouri - St. Louis Research Award, "Compactly Supported Vector Valued Spline Tight
Frames", PI W. He, amount awarded $7,700, from 6/1/2001-12/1/2001.
Selected Publications:
* M Charina, C.K. Chui, and W. He, "Tight frames of compactly supported multivariate
multi-wavelets", Journal of Computational and Applied Mathematics, 2044-2061, 2010.
* H. Kang, C. Chui, W. He and U. Chakraborty, "Interactive Sketch Generation",
The Visual Computer, 821-830, 2005.
* R. Garnett, T. Huegerich, C.K. Chui, and W. He, "A universal noise removal algorithm
with impulse detector", IEEE Transactions on Image Processing, 1747-1754, 2005.
* C.K. Chui, W. He and J. Stoeckler, "Non-stationary tight wavelet frames, II: unbounded
intervals", Applied and Computational Harmonic Analysis, 25-66, 2005.
* C.K. Chui, W. He and J. Stoeckler, "Non-stationary tight wavelet frames, I: bounded
intervals", Applied and Computational Harmonic Analysis, 141-197, 2004.
* W. He and Ming-Jun Lai, "Construction of trivariate compactly supported
biorthogonal box spline wavelets", Journal of Approximation Theory, 1-19, 2003.
* C.K. Chui, W. He, J. Stoeckler, and Q. Sun, "Compactly supported tight affine frames
with integer dilations and maximum vanishing moments", Advanced Computational Mathematics,
159-187, 2003.
* C.K. Chui, W. He and J. Stoeckler, "Compactly supported tight and sibling frames with
maximum vanishing moments", Applied and Computational Harmonic Analysis, 224-262, 2002.
* C.K. Chui and W. He, "Construction of multivariate tight frames via Kronecker products",
Applied and Computational Harmonic Analysis, 305-312, 2001.
* C.K. Chui and W. He, "Compactly supported tight frames associated with refinable functions",
Applied and Computational Harmonic Analysis, 293-319, 2000.
* W. He and M.J. Lai, "Examples of bivariate nonseparable compactly supported
orthonormal continuous wavelets", IEEE Transactions on Image Processing, 949-953, 2000.
* W. He and M.J. Lai, "Construction of bivariate compactly supported biorthogonal box spline
wavelets with arbitrarily high regularities", Applied and Computational Harmonic Analysis,
53-74, 1999.
* W. He and M.J. Lai, "Digital filters associated with bivariate box spline wavelets",
Journal of Electronic Imaging, 453-466, 1997.
* W. He and M.J. Lai, "A new sufficient condition for the orthonormality of refinable functions",
in Approximation Theory IX, Volume 2: Computational Aspects, C.K. Chui and L.L. Schumaker (eds.),
Vanderbilt Univ. Press, Nashville, 121-128, 1998.