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C.V.

Image Analysis Seminar

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Papers
  • Prematilake, C. and Ellingson, L. Predicting Lower Bounds for the Number of Sampling Points for Approximations of Shapes of Planar Contours. In preparation.

  • Ellingson, L., Groisser, D., Osborne, D., Patrangenaru, V., and Schwartzman, A. Nonparametric Bootstrap of Sample Means of Positive Definite Matrices with an Application to Diffusion-Tensor- Imaging Data. In review.

  • Qiu, M., Patrangenaru, V., and Ellingson, L. (2014) How far is the Corpus Callosum of an average individual from Albert Einstein’s? Accepted for Publication in COMPSTAT 2014.

  • Ellingson, L., Hendriks, H., Patrangenaru, V., and San Valentin, P. (2013).  On the CLT on Low Dimensional Stratified Spaces.  Proceedings of the First INSPS Conference. To Appear.

  • Ellingson, L., Ruymgaart, F., and V. Patrangenaru. (2013) Nonparametric Estimation of Means on Hilbert Manifolds and Extrinsic Analysis of Mean Shapes of Contours. Accepted for publication at Journal of Multivariate Analysis.

  • Ellingson, L., Ruymgaart, F. H., and V. Patrangenaru. (2013) Data analysis on Hilbert manifolds and shape analysis of planar contours. Accepted at Statistical Models and Methods for non-Euclidean Data with Current Scientific Applications, The 32nd Leeds Annual Statistical Research Workshop.
  • Osborne, D. E., Patrangenaru, V., Ellingson, L., Groisser, D., and Schwartzman, A. (2013). Nonparametric Two-Sample Tests on Homogeneous Riemannian Manifolds, Cholesky Decompositions and Diffusion Tensor Image Analysis. Journal of Multivariate Analysis, 119, 163-175. (link)
  • R. N. Bhattacharya, M. Buibas, I. L. Dryden, L. A. Ellingson, D. Groisser, H. Hendriks, S. Huckemann, Huiling Le, X. Liu, J. S. Marron, D. E. Osborne, V. Patrangenaru, A. Schwartzman, H. W. Thompson, A.T.A. Wood (2012). Extrinsic Data Analysis on Sample Spaces with a Manifold Stratification. Advances of Mathematics, Invited Contributions at the Seventh Congress of Romanian Mathematicians, Brassov, Romania, 2011. pp. 148–156.

  • Ellingson, L and Zhang, J. (2012). Protein Surface Matching by Incorporating Local and Global Geometric Information. PLoS ONE 7(7): e40540. (link)

  • Bhattacharya, R.N; Ellingson, L; Liu, X; Patrangenaru, V and Crane, M. (2012). Extrinsic Analysis on Manifolds is Computationally Faster than Intrinsic Analysis with Application to Quality Control by Machine Vision. Appl. Stochastic Models Bus. Ind., 28: 222–235. (link)

  • Buibas, M.; Crane, M.; Ellingson, L. and Patrangenaru, V. (2011). A Projective Frame-Based Shape Analysis of a Rigid Scene from Noncalibrated Digital Camera Imaging Outputs. Proc. of JSM, 2011, Miami, FL.

  • Ellingson, L and Zhang, J. (2011). An efficient algorithm for matching protein binding sites for protein function prediction. Proceedings of the ACM Conference on Bioinformatics, Computational Biology and Biomedicine 2011.
Books
  • V. Patrangenaru and L. A. Ellingson. (2015). Nonparametric Statistics on Manifolds and Their Applications to Object Data Analysis. Chapman & Hall/CRC.
Presentations
  • Ellingson, L. and Premarathna, I. Analysis of Binding Site Structure for Protein Function Prediction. 2014 Joint Statistical Meetings. Boston, MA. August 5, 2014.

  • Ellingson, L. An Introduction to Statistics on Manifolds. AMS Spring Central Sectional Meeting. Lubbock, TX. April 11, 2014.

  • Ellingson, L. Nonparametric Estimation of the Extrinsic Mean Shape of Planar Contours. 2014 Conference of Texas Statisticians. Dallas, TX. March 22, 2014. Invited.

  • Ellingson, L. The neighborhood hypothesis test for the extrinsic mean shape of a population of planar contours. Weekly Meeting of the Data Analysis on Hilbert Manifolds and their Application working group of the SAMSI 2013-2014 Program on Low-dimensional Structure in High-dimensional Systems. January 28, 2014.

  • Ellingson, L and Prematilake, C. Problems in Approximating Shapes of Planar Contours. 2013 Joint Statistical Meetings.  Montreal, Quebec.  August 5, 2013.

  • Ellingson, L and Zhang, J. An efficient algorithm for matching protein binding sites for protein function prediction. ACM Conference on Bioinformatics, Computational Biology and Biomedicine 2011, Chicago, Illinois. August 2011.

  • Ellingson, L. Efficient Methodology for Shape Analysis of Planar Contours. Colloquium in the Department of Mathematics and Statistics at Texas Tech University. March 11, 2011.

  • Ellingson, L., Ruymgaart, F., and Patrangenaru, V. Automatic Landmark Extraction for Planar
    Contours. Weekly Meeting of the Geometric Correspondence Working Group of the SAMSI 2010 Analysis of Object Data Program. October 10, 2010.
  • Ellingson, L., Patrangenaru, V. and Zhang, J. Mean Size-and-Shape Active Site Responses to
    Protein Functions. 2010 Summer Research Conference of Southern Regional Council on Statistics, Virginia Beach, Virginia. June 7, 2010. Invited.
  • Ellingson, L. and Zhang, J. sMatch: An Algorithm for Matching Protein Surfaces. The 2010
    Florida Chapter of the American Statistical Association (FLASA) Meeting, Florida State University, Tallahassee, Florida. February 2010.
Poster Presentations
  • Ellingson, L. Nonparametric Statistics on Manifolds: A Survey of Problems and Applications. 2015 Conference of Texas Statisticians. Austin, TX. April 11, 2015.

  • Prematilake, C. and Ellingson, L. Prediction of Lower Bounds for the Number of Sampling Points for Approximating Shapes of Planar Contours. 2014 SRCOS Summer Research Conference, June 3, 2014. Presented by C. Prematilake.

  • Premarathna, G.A.I. and Ellingson, L. Logistic Regression Models for Classification of Protein Binding Ligands. 2014 SRCOS Summer Research Conference, June 3, 2014. Presented by G.A.I. Premarathna.

  • Ellingson, L., Dwyer, J., Johnson, L., and Spott, J. Texas Tech University Summer Math Academy 2013. Joint Mathematical Meetings, January 16, 2014. Presented by L. Ellingson.

  • Ellingson, L., Patrangenaru, V., and Ruymgaart, F. Approximation and Nonparametric Estimation of Mean Shapes of Planar Contours. MBI Current Topics Workshop: Statistics, Geometry, and Combinatorics on Stratified Spaces Arising from Biological Problems, May 25, 2012. Presented by L. Ellingson.

  • Ellingson, L. and Patrangenaru, V. Computational Advantages of Extrinsic Analysis on Manifolds Over Intrinsic Analysis on Manifolds. SAMSI 2010 Analysis of Object Data Program Opening Workshop. September 13, 2010. Presented by L. Ellingson.
Contributions to Presentations
  • Prematilake, C. and Ellingson, L. Prediction of Lower Bounds for the Number of Sampling Points for Approximating Shapes of Planar Contours. 2015 Joint Statistical Meetings. Seattle, Washington. August 11, 2014.  Presented by C. Prematilake.

  • Qiu, M., Patrangenaru, V., and Ellingson, L. Neighborhood Hypothesis Testing for Mean Contour Shapes of Corpus Callosum Mid Sections. AMS Spring Central Sectional Meeting. Lubbock, TX. April 11, 2014. Presented by M. Qiu.

  • Prematilake, C. and Ellingson, L. Prediction of Lower Bounds for the Number of Sampling Points for Approximating Shapes of Planar Contours. AMS Spring Central Sectional Meeting. Lubbock, TX. April 11, 2014. Presented by C. Prematilake.

  • Patrangenaru, V., Qiu, M., and Ellingson, L. Neighborhood Hypothesis Testing for Mean Contour Shapes of Corpus Callosum Mid Sections. SAMSI Workshop on Topological Data Analysis. February 6, 2014. Presented by V. Patrangenaru.

  • Patrangenaru, V., Qiu, M., and Ellingson, L. Two sample tests for mean 3D projective shapes of surfaces from digital camera images. 29th European Meeting of Statisticians. July 20-25, 2013. Budapest, Hungary. Presented by V. Patrangenaru.

  • Patrangenaru, V., Ellingson, L. and Ruymgaart F. H.  Data Analysis on Hilbert Manifolds and Shapes of Planar contours. LASR 2013. July 2-4, 2013. Leeds, England. Presented by V. Patrangenaru.

  • Patrangenaru, V., San Valentin, P., Ellingson, L., Marron, J. S., and Miller E. CLT on One dimen- sional Stratified Spaces, First Conference of the International Society for NonParametric Statistics. June 15-19, 2012. Chalkidiki, Greece. Presented by V. Patrangenaru.

  • Patrangenaru, V., Ellingson, L. and Osborne, D. Analysis of Object Data is Data Analysis on Sample Spaces with a Manifold Stratication, CRM, Bucharest, Romania, June 29 - July 5, 2011. Presented by V. Patrangenaru.

  • Patrangenaru, V and Ellingson, L. Statistical Analysis of Object Data is Data Analysis on Sample Spaces with a Manifold Stratification. SAMSI 2010-2011 Analysis of Object Data Program Transition Workshop. Research Triangle Park, NC. June 10, 2011. Presented by V. Patrangenaru.

  • Bhattacharya, R.N; Ellingson, L; Liu, X; Patrangenaru, V; and Sughatadasa, S. Extrinsic Analysis on Manifolds is Computationally Faster than Intrinsic Analysis, with Examples from Shape and Image Analysis. ISBIS 2010. Portoroz, Slovenia. July 6, 2010. Presented by V. Patrangenaru.


Leif Ellingson
Texas Tech University
Department of Mathematics and Statistics
Broadway and Boston
Lubbock, TX
e-mail: leif dot ellingson at ttu dot edu