Publications

Pointer to my publication list on Robotics Institute website

Refereed Papers (selected)

---

2004

• Y. Liu, Y. W.C. Lin and J. Hays. ``Near-Regular Texture Analysis and Manipulation'', ACM SIGGRAPH. To appear. pdf file ,

• S. Mitra and Y. Liu. ``Local Facial Asymmetry for Expression Classification", Proceedings of the 2004 IEEE Conference on Computer Vision and Pattern Recognition (CVPR'04). June, 2004. pdf file ,

• J. Zhang, R. Collins, and Y. Liu "Representation and Matching of Articulated Shapes". Proceedings of the 2004 IEEE Conference on Computer Vision and Pattern Recognition (CVPR'04), June, 2004. pdf file ,

• Y. Liu, Y. Tsin and W.C. Lin. ``The Promise and Perils of Near-Regular Texture'', International Journal of Computer Vision (IJCV). In Press. pdf file ,

• Y. Liu, R. T. Collins and Y. Tsin ``A Computational Model for Periodic Pattern Perception Based on Frieze and Wallpaper Groups'', IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI). pdf file , Vol. 26, No. 3, pp. 354 - 371. March, 2004.

• Y. Liu, N. Lazar, W.E. Rothfus, F. Dellaert, A. Moore, J. Schneider, and T. Kanade. "Semantic based Biomedical Image Indexing and Retrieval". Trends and Advances in Content-Based Image and Video Retrieval, Shapiro, Kriegel, and Veltkamp, ed., in press, 2004. pdf file ,

  ---

  2003

• R.T. Collins and Y. Liu. "On-Line Selection of Discriminative Tracking Features", Proceedings of the 2003 International Conference of Computer Vision (ICCV '03), Nice, France. October, 2003. pdf file ,

• Y. Liu and J. Palmer. "A Quantified Study of Facial Asymmetry in 3D Faces". Proceedings of IEEE International Workshop on Analysis and Modeling of Faces and Gestures, in conjunction with the 2003 International Conference of Computer Vision (ICCV '03), Nice, France. October, 2003. pdf file ,

• Y. Liu and W.C. Lin. "Deformable Textures: the Irregular-Regular-Irregular Cycle". Texture 2003, in conjunction with the 2003 International Conference of Computer Vision (ICCV'03), Nice, France. October, 2003.

• Y. Liu, K.L. Schmidt, J.F. Cohn and S. Mitra. ``Facial Asymmetry Quantification for Expression Invariant Human Identification", Computer Vision and Image Uunderstanding Journal (CVIU), In Press, 2003. pdf file ,

  ---

  2002

• Wachtman, G.S, Liu Y., Zhao T., Cohn J.F., Schmidt, K.L., Henkelmann, T.C., VanSwearingen J.M., Manders, E.K. "Measurement of Asytmmetry in Persons with Facial Paralysis", Combined Annual Meeting of the Robert H. Ivy and Ohio Valley Societies of Plastic and Reconstructive Surgeons, June 8, 2002. (Best paper overall and first prize in Clinical Science category).

• J. Zhang, Y. Liu, and T. Zhao. "SVM Based Feature Screening Applied to Hierarchical Cervial Cancer Detection" International Conference on Diagnostic Imaging and Analysis. (ICDIA 2002). Shanghai, China, August 18-20, 2002. (on-line copy).

• T. Zhao, J. Zhang, and Y. Liu. "Does Multispectral Texture Features Really Imporve Cervical Cancer Detection?" International Conference on Diagnostic Imaging and Analysis. (ICDIA 2002). Shanghai, China, August 18-20, 2002. (on-line copy).

• Y. Liu, N. Lazar and W. Rothfus. "Semantic-based Biomedical Image Indexing and Retrieval" International Conference on Diagnostic Imaging and Analysis. (ICDIA 2002). Shanghai, China, August 18-20, 2002. (on-line copy).

• Liu, Y., T. Zhao and J. Zhang ``Learning Multispectral Texture Features for Cervical Cancer Detection'', IEEE International Symposium on Biomedical Imaging: Macro to Nano. (ISBI'02). Washington DC, July 7-10, 2002. on-line version .

• Liu, Y. and Tsin, Y. ``The Promise and Perils of Near-Regular Texture'', Texture 2002, associated with European Conference on Computer Vision 2002 (ECCV'02). Copenhagen, Denmark. May 28-June 1, 2002. (on-line version). Some near-regular texture synthesis samples .

• Liu, Y., Collins,R.T. and Tsin, Y. ``Gait Sequence Analysis using Frieze Patterns'', European Conference on Computer Vision 2002 (ECCV'02). Copenhagen, Denmark. May 28-31, 2002. (on-line version).

• Y. Liu, K. Schmidt, J. Cohn, and R.L. Weaver. ``Facial Asymmetry Quantification for Expression Invariant Human Identification'', International Conference on Automatic Face and Gesture Recognition (FG'02). Washington D.C., May 20-21, 2002. (on-line version).

  ---

  2001

• Liu, Y., Collins, R. and Rothfus, W. ``Robust Midsagittal Plane Extraction from Normal and Pathological 3D Neuroradiology Images'', IEEE Transactions on Medical Imaging, 20(3), pp. 175-192, March, 2001.
  pdf file

• Liu, Y. and Collins,R.T., ``Skewed Symmetry Groups'', Computer Vision and Pattern Recognition Conference 2001 (CVPR'01), Kauai, December, 2001. (on-line version).

• Tsin, Y., Liu, Y. and Ramesh, V., ``Texture Replacement in Real Images'', Computer Vision and Pattern Recognition Conference 2001 (CVPR'01), Kauai, December, 2001.
  (on-line version)

• Liu, Y., Lazar, N.A., Rothfus, W.E., Buzoianu, M. and Kanade, T., ``Classification-Driven Feature Space Reduction for Semantic-based Neuroimage Retrieval'', International Symposium on Information Retrieval and Exploration in Large Medical Image Collections (VISIM 2001), October 18, 2001. In conjunction with the Fourth International Conference on Medical Image Computing and Computer-Assisted Intervention, Utrecht, The Netherlands, 14-17 October, 2001.

• Y. Liu, F. Dellaert, W.E. Rothfus, A. Moore, J. Schneider, T. Kanade ``Classification-Driven Pathological Neuroimage Retrieval Using Statistical Asymmetry Measures'', in Proceedings of International Conference of Medical Image Computing and Computer Assisted Intervention (MICCAI 2001), October 14-17, 2001,Utrecht, The Netherlands. (on-line version).

  ---

  2000

• Yanxi Liu, Robert Collins and William E. Rothfus ``Evaluation of a Robust Midsagittal Plane Extraction Algorithm for Coarse, Pathological 3D Images'', Medical Imaging Computing and Computer Assisted Intervention (MICCAI 2000), October 11-14, 2000, Pittsburgh. (on-line version).

• Yanxi Liu ``A Group Theoretical Formalization of Contact Motion'', 2nd International Workshop on Algebraic Frames for the Perception Action Cycle (AFPAC), Lecture Notes in Computer Science 1888, pp. 229-240, Sommer and Zeevi (Eds.), Springer-Verlag Belin Heidelberg 2000.
  (ps file 1.03MB compressed).
  (pdf file)

• Yanxi Liu and Robert T. Collins ``Periodic Pattern Analysis Under Affine Distortions Using Wallpaper Groups'', 2nd International Workshop on Algebraic Frames for the Perception Action Cycle (AFPAC), Lecture Notes in Computer Science 1888, pp. 241-250, Sommer and Zeevi (Eds.), Springer-Verlag Belin Heidelberg 2000.
  (ps file 1.87MB compressed).
  (pdf file)

• Yanxi Liu and Robert T. Collins ``A Computational Model for Repeated Pattern Perception using Frieze and Wallpaper Groups'', Computer Vision and Pattern Recognition Conference (CVPR'2000), June, 2000.
  (ps file).
  (pdf file)

  ---

  Before 2000

• Liu, Y., Dellaert, F.
  ``A Classification Based Similarity Metric for 3D Image Retrieval''(ps file compresed) , Computer Vision and Pattern Recognition Conference (CVPR'98), Santa Babara, CA, June, 1998.
  (pdf file)

• Liu, Y., Rothfus, W.E.(M.D.), Kanade, T.
  ``Content-based 3D Neuroradiologic Image Retrieval: Preliminary Results'' IEEE International Workshop on Content-based Access of Image and Video Databases, in conjunction with International Conference on Computer Vision (ICCV98), Bombay, India, January, 1998.

• Liu, Y., ``A Computational Representation for Rigid and Articulated Assembly'' , IEEE International Symposium of Assembly and Task Planning (ISATP97), CA, August, 1997

• Liu, Y., Scudder, M. and Gimovsky, M.L. CAD Modeling of the Birth Process: II Proceedings of Medicine Meets Virtual Reality Conference IV, San Diego, CA, January, 1996.

• Liu, Y., Scudder, M. and Gimovsky, M.L. CAD Modeling of the Birth Process: A Preliminary Report Proceedings of Medicine Meets Virtual Reality Conference III: Interactive Technology & Healthcare, pp. 211-220, San Diego, CA, January 19-22, 1995.

• Liu, Y. and Popplestone, R. ``A Group Theoretic Formalization of Surface Contact'', International Journal of Robotics Research, 13-2, pp. 148-161, The MIT Press. April 1994.

• Dakin, G., Liu, Y. and Popplestone, R. J. ``A Multilevel Assembly Planning System'', Proceedings of International Mechanical Engineering Congress and Exposition, pp. 249 -- 254, Evanston, Illinois, November 1994.

• Liu, Y. and Popplestone, R. J. ``From Symmetry Groups to Stiffness Matrices", Proceedings of IEEE International Conference on Robotics and Automation, pp. 2375 - 2380, Nice, France, May 1992.

• Liu, Y. and Popplestone, R. J. ``Symmetry Groups in Analysis of Assembly Kinematics", Proceedings of IEEE International Conference on Robotics and Automation, pp. 572 -- 577, Sacramento, CA, April 1991.

• Liu, Y. and Popplestone, R.J. ``Symmetry Constraint Inference in Assembly Planning", Proceedings of the Eighth National Conference on Artificial Intelligence (AAAI-90), pp. 1038 -- 1044, Boston, MA, July 29 -- August 3, 1990.

• Liu, Y. ``A Justification for the Characteristic Invariant Representation of TR Subgroups of the Proper Euclidean Group", the fifth SIAM Conference on Discrete Mathematics, Atlanta, GA, June 11 -- 14, 1990.

• Liu, Y. and Popplestone, R. J. ``Planning for Assembly from Solid Models", Proceedings of IEEE International Conference on Robotics and Automation, pp. 222 -- 227, Scottsdale, AZ, May 1989.

• Dakin, G., Liu, Y., Popplestone, R. and Weiss, R. ``Symmetry Inference in Planning Assembly", Proceedings of IEEE International Conference on Robotics and Automation, pp. 1865 -- 1868, Scottsdale, AZ, May 1989.

• Popplestone, R.J.,Grupen, R.A., Liu, Y., Dakin G., Oskard D., and S. Nair ``Planning for Assembly with Robot Hands", Proceedings of SPIE Conference on Intelligent Robotic Systems, Philadelphia, PA, November 1989.

• Popplestone, R. J., Weiss, R. and Liu, Y. ``Using Characteristic Invariants to Infer New Spatial Relationships from Old", Proceedings of IEEE International Conference on Robotics and Automation, pp. 1107 -- 1112, Philadelphia, PA, April, 1988.

• Liu, Y. ``A Sensor-based Robot Planner for Assembly Tasks", Proceedings of the First International Artificial Intelligence Conference, 87 Japan, pp. 571 -- 584, Osaka, Japan, October, 1987.

• Vijaykumar,R., Arbib, M.A. and Liu, Y. ``Dynamic Planning for Sensor-Based Robots", Proceedings of the first International Federation of Automatic Control (IFAC) Symposium on Robot Control,, Barcelona, Spain, November 6--8, 1985.

Book and Book Chapters

• Liu, Y. ``Computational Symmetry'', in ``Symmetry 2000'' Wenner-Gren International Series, vol 80 Part I, pp. 231-245. Portland Press, London. (ISBN I 85578 149 2).
  (PDF file).

• Liu, Y. ``Symmetry Groups in Robotics Assembly Planning and Specifications'', the Mathematical Methods in Technology series, MARCEL DEKKER, INC., 270 Madison Avenue, New York, New York, 10016. To appear.
  (Chapter One ps file 0.5MB compressed).
  (Chapter One pdf file).

• Nathaniel Dean and Liu, Y. ``Discrete Mathematics Software for K-12 Education'', Discrete mathematics in the schools, Joseph Rosenstein, Deborah Franzblau, and Fred Roberts (Eds.), DIMACS/AMS series in Discrete Mathematics and Theoretical Computer Science, vol 36, pp. 357 -- 372. September 1997.

• Liu, Y. and Popplestone, R. J. ``Symmetry Groups in Solid Model-based Assembly Planning'', Artificial Intelligence Applications in Manufacturing, A. Famili, D. Nau and S.H. Kim (Eds.), pp. 103 -- 131, AAAI Press and The MIT Press, 1992.

Other Publications

• Liu, Y. ``The Use of Computers in Childbirth Simulation'', Administrative Radiology Journal, Glendale Publishing Corporation, 1995.

• Popplestone, R.J., Liu, Y. and Weiss, R. ``A Group Theoretical Approach to Assembly Planning", Artificial Intelligence Magazine, pp. 82 -- 97, Spring 1990.