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Journal Papers

  1. Estimating a Vascular Network Growth Using Random Graphs, S. Cha, M. Gargano, S. Chang, L. Quintas, and E. Wahl, in Machine GRAPHICS & VISION, accepted
  2. Enhancing Binary Feature Vector Similarity Measures, S. Cha, S. Yoon, and C. C. Tappert in Journal of Pattern Recognition Research (JPRR), Vol 1 No 1, 2006, pp 63-77
  3. Handwriting Copybook Style Identification for Questioned Document Examination, S. Cha, S. Yoon, and C. C. Tappert in Journal of Forensic Document Examination (AFDE), vol 17, 2006, p 1~16
  4. Security-Related Research and Projects in Computing Promote Student Awareness of Security Issues, C. C. Tappert and S. Cha, in Information Systems Education Journal (ISEDJ), Vol 4 (82), 2006
  5. On the Individuality of the Iris Biometric, S. Yoon, S. Choi, S. Cha, Y. Lee, and C. C. Tappert in International Journal on Graphics, Vision and Image Processing, Vol. 5, (2005)
  6. Automatic Detection of Handwriting Forgery using a Fractal Number Estimate of Wrinkliness, S. Cha, C. C. Tappert, M. Gibbons and Y. Chee in International Journal of Pattern Recognition and Artificial Intelligence, Vol. 18, No. 7 (2004) 1361-1371
  7. A fast hue-based colour image indexing algorithm, S. Cha, in Machine GRAPHICS & VISION, vol 11, no 2/3, pp 285-295, 2002
  8. Individuality of Handwriting, S. N. Srihari, S. Cha, H. Arora, and S. Lee, in Journal of Forensic Sciences, vol 47/4, pp 1-17, July 2002
  9. On Measuring the Distance between Histograms, S. Cha and S. N. Srihari, in Pattern Recognition, Vol 35/6, pp 1355-1370, June 2002
  10. A Fast Nearest Neighbor Search Algorithm by Filtration, S. Cha and S. N. Srihari, in Pattern Recognition, Vol 35/2, pp 515-525, Feb 2002
  11. Efficient Algorithms for Image Template and Dictionary Matching, S. Cha Journal of Mathematical Imaging and Vision Vol 12, issue 1, February 2000, p 81-90
  12. Iconic Communication Method for Liver Disease on Teleradiology, S-H Cha and S-B Cha, in "Korean PACS Journal", vol. 3, yr. 1997, p 17-25
  13. Medical Image Processing by using the Intensity Histogram, S. Cha, in "Korean PACS Journal", vol. 3, yr. 1997, p 53-57

Book Chapters

  1. Hand Writing Recognition Interfaces, C. Tappert and S. Cha, Text Entry Systems Variety and Universality, edited by S. MacKenzie and K. Tanaka-Ishii, 2007, Morgan Kaufmann, p 123~138
  2. Approximate String Matching for Character Recognition and Analysis, S. Cha and S. N. Srihari, Pattern Recognition and String Matching, COMBINATORIAL OPTIMIZATION series Volume 13, ISBN 1-4020-0953-4, 2003
  3. Writing Speed and Writing Sequence Invariant On-line Handwriting Recognition, S. Cha and S. N. Srihari, Pattern Recognition From Classical to Modern Approaches edited by S. Pal and A. Pal, World Scientific Publishing Co. Nov. 2001, p 559-574

Conference Proceedings (Refereed)

  1. Constructing Binary Decision Trees using Genetic Algorithms, S. Cha and C. C. Tappert in Proceedings of International Conference on Genetic and Evolutionary Methods, July 14-17, 2008, Las Vegas, Nevada
  2. Taxonomy of Nominal Type Histogram Distance Measures , S. Cha in Proceedings of AMERICAN CONFERENCE on APPLIED MATHEMATICS, March 24-26, 2008, Cambridge, MA p 325-330
  3. The Interplay of Student Projects and Student-Faculty Research, C.C. Tappert, A. Stix, and S. Cha, in Proceedings of E-Learn, Quebec City, Canada, Oct 2007 p 325-330
  4. Analyzing Shape Context using the Hamiltonian Cycle, C. E. Abrams, S. Cha, and C. C. Tappert, in 7th IAPR International Workshop on Graphics Recognition, September 20-21, 2007, Curitiba, Brazil
  5. DLDA-based iris recognition from image sequences with various focus information , B. Son, S. Cha, and Y. Lee in Proceedings of the 7th WSEAS International Conference on Multimedia Systems & Signal Processing, April 15-17, 2007, Hangzhou, China, p 94-101
  6. Multifocus Image Sequences for Iris Recognition, B. Son, S. Cha, and Y. Lee in Proceedings of PSIVT, Dec 11-13, 2006, Hsinchu, Taiwan, LNCS - Advances in Image and Video Technology, vol. 4319, p 411-420
  7. Keystroke Biometric Recognition Studies on Long-Text Input under Ideal and Application-Oriented Conditions , C. Tappert, G. Ngo, J. Simone, H. St. Fort, S.-H. Cha, M. Villani in IEEE Computer Society Workshop on Biometrics, June 2006, New York
  8. Shape Matching with Ordered Boundary Points Using a Least-Cost Diagonal Method, C. E. Abrams, S. Cha, and C. C. Tappert in Proceedings of WORLDCOMP, IPCV, Jun 26-29, 2006, Las Vegas, NV
  9. Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study, M. Curtin , C. Tappert, M. Villani, G. Ngo, J. Simone, H. St. Fort, and S.-H. Cha in IMECS 06, June 2006, Hong Kong
  10. On the assumption of cubic graphs of vascular networks, S.-H. Cha, S. Chang, and M. Gargano, Physiology, Function, and Structure from Medical Images, SPIE Medical Imaging, Vol 6143 San Diego, CA, Jan. 2006
  11. On Binary Similarity Measures for Handwritten Character Recognition, S. Yoon, S. Cha, and C. C. Tappert in ICDAR 05, Aug 2005, Seoul, Korea.
  12. Writer Profiling Using Handwriting Copybook Styles, S. Yoon, S. Choi, S. Cha, and C. C. Tappert in ICDAR 05, Aug 2005, Seoul, Korea.
  13. On the Individuality of the Iris Biometric, S. Yoon, S. Choi, S. Cha, Y. Lee, and C. C. Tappert in ICIAR 05, September 2005, Toronto, Canada.
  14. Biometric Identification Generalizability, M. Gibbons, S. Yoon, S. Cha, and C. C. Tappert in Proceedings of Audio- and Video-based Biometric Person Authentication, July, 2005, Rye Brook, NY
  15. Combining Multiple Iris Biometric Verifiers , S. Yoon, S. Choi, S. Cha, Y. Lee, and C. C. Tappert in Proceedings of The 9th World Multi-Conference on Systemics, Cybernetics and Informatics , July, 2005, Orlando, FL
  16. Nationality Identification from Names Using N-Gram Based Cumulative Frequency Addition, B. Ahmed, S. Cha, and C. C. Tappert in Proceedings of The 9th World Multi-Conference on Systemics, Cybernetics and Informatics , July, 2005, Orlando, FL
  17. Common Chatroom Abbreviations Speed Pen Computing , W. Huber, V. Hanson, S. Cha, C. C. Tappert, in Proceedings of 11th International conference on Human-Computer Interaction, July, 2005, Las Vegas, NV
  18. Similarity-Based Copybook Style Analysis Using Pseudo-Online Handwriting, M. Manfredi, S. Cha, S. Yoon, and C. C. Tappert, in Proceedings of 12th Conference of the International Graphonomics Society, June, 2005, Salerno, Italy
  19. Identification of Pottery Shapes and Schools Using Image Retrieval Techniques, G. Bishop, S. Cha, and C. C. Tappert in Proceedings of MCSCE, CISST, Jun 27-30, 2005, Las Vegas, NV.
  20. Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge, J. Galatti, S. Cha, M. Gargano, and C. C. Tappert in Proceedings of MCSCE, ICAI, Jun 27-30, 2005, Las Vegas, NV.
  21. Applying Keystroke Biometrics for User Verification and Identification, G. Bartolacci, M. Curtin, M. Katzenberg, N. Nwana, S. Cha, and C. C. Tappert in Proceedings of MCSCE, MLMTA, Jun 27-30, 2005, Las Vegas, NV.
  22. Analyzing Open Biometric Identification Systems, M. Gibbons, S. Yoon, S. Cha, and C. C. Tappert in Proceedings of MCSCE, MLMTA, Jun 27-30, 2005, Las Vegas, NV.
  23. Computer Assisted Visual Interactive Recognition (CAVIAR) Technology, A. Evans, J. Sikorski, P. Thomas, S. Cha, C. Tappert, J. Zou, A. Gattani, G. Nagy in Proceedings of EIT, May 22-25, 2005, Lincoln, NE.
  24. A Vascular Network Growth Estimation Algorithm Using Random Graphs, S. Cha, M. L. Gargano, L. V. Quintas, and E. M. Wahl in Proceedings of 5th IAPR -TC-15 Workshop on Graph-based Representations in Pattern Recognition, April 11-13, 2005 Poitiers (France). LNCS Vol 3434 p 45-53
  25. Automated Pottery Fragment Classifier for Archaeological Studies, G. Bishop, S. Cha, and C. C. Tappert, in Proceedings of Computer Applications in Archaeology March, 2005 Tomar, Portugal
  26. Lightweight image retrieval system for paintings, T. Lombardi, S. Cha, and C. C. Tappert, in Proceedings of Storage and Retrieval Methods and Applications for Multimedia Electronic Imaging, 5682-24 San Jose, CA, Jan, 2005.
  27. Computer-assisted handwriting style identification in questioned document examination , S. Cha, S. Yoon, and C. C. Tappert, in Proceedings of Investigative Image Processing III Electronic Imaging, San Jose, CA, Jan, 2005.
  28. Security-Related Research and Projects in Computing Promote Student Awareness of Security Issues, C. C. Tappert and S. Cha, in Proceedings of ISECON Newport Rhode Island, November 4-7, 2004,
  29. A Graphical User Interface for a Fine-Art Painting Image Retrieval System, T. Lombardi, S. Cha, and C. Tappert in Proceedings of 6th ACM SIGMM International Workshop on Multimedia Information Retrieval, New York, NY, October 15-16, 2004
  30. Use of Chatroom Abbreviations and Shorthand Symbols in Pen Computing , W. Huber, S. Cha, C. C. Tappert, and V. L. Hanson in Proceedings of IWFHR 2004 Tokyo, Japan, October 26-29, 2004
  31. A Neural Network Classifier for Junk E-Mail , I, Stuart, S. Cha and C. C. Tappert in Proceedings of 6th DAS 2004 Florence, Italy, September 8-10, 2004, LNCS Vol 3163, p 442-450
  32. The Interplay of Research and Project Activities in Computing, C. C. Tappert and S. Cha, in Proceedings of International Symposium on Research Methods, New York, NY, August 5, 2004
  33. Use of Histogram Distances in Iris Authentication , S. Choi, S. Yoon, S._H. Cha, and C. C. Tappert , in Proceedings of MCSCE 2004 MLMTA, Jun 21-24, 2004, Las Vegas, NV.
  34. Interactive Flag Identification using Image Retrieval Techniques , E. Hart, S._H. Cha, and C. C. Tappert , in Proceedings of MCSCE 2004 CISST, Jun 21-24, 2004, Las Vegas, NV.
  35. The Detection of Forged Handwriting using a Fractal Number Estimate of Wrinkliness, H.-C. Chen, S.-H. Cha, Y.-M. Chee, and C. Tappert, in Proceedings of 11th IGS 2003 Nov 2-5, 2003, Scottsdale, AZ, p 312-315
  36. Application of Stacked Generalization to a Protein Localization Prediction Task, Melissa K. Carroll and S.-H. Cha, in Proceedings of 7th JCIS 2000 CBGI Sep 26-30, 2003, Cary, North Carolina, p 13-16
  37. Optimizing Binary Feature Vector Similarity Measure using Genetic Algorithm, S.-H. Cha and C. C. Tappert, ICDAR, Edinburgh, Scotland, 2003.
  38. Efficient color image retrieval using hue distribution similarity, S.-H. Cha, Storage and Retrieval for Media Databases, Electronic Imaging, Santa Clara, CA, 2003.
  39. Multimodal Integration of Voice and Ink for Pervasive Computing, Z. Trabelsi, S.-H. Cha, D. Desai, and C. C. Tappert, IEEE 4th MSE, Newport Beach, CA, December 2002.
  40. A Voice and Ink XML Multimodal Architecture for Mobile e-Commerce Systems, Z. Trabelsi, S.-H. Cha, D. Desai, and C. C. Tappert, 2nd ACM Int. Workshop on Mobile Commerce, Atlanta, GA, September 2002.
  41. Automatic Detection of Handwriting Forgery, S. Cha and C. C. Tappert in Proceedings of 8th IWFHR, Niagara-on-the-Lake, Canada, August 2002, IEEE Computer Society, p 264-267
  42. Discriminatory power of handwriting, S. N. Srihari, S. Cha, S. Lee, in Proceedings of Document Recognition and Retrieval IX,, Vol. 4670 San Jose, California, January, 2002, p 129-142, Invited Paper
  43. Combining Macro and Micro Features for Writer Identification, S. Lee, S. Cha, and S. N. Srihari in Proceedings of Document Recognition and Retrieval IX, Vol. 4670 San Jose, California, January, 2002, p 155-166
  44. Establishing Handwriting Individuality using Pattern Recognition Techniques, S. N. Srihari, S. Cha, and S. Lee in Proceedings of 6th ICDAR '01, Seattle, September 2001, IEEE Computer Society, p 1195-1204, invited talk
  45. Apriori Algorithm for Sub-category Classification Analysis of Handwriting, S. Cha and S. N. Srihari in Proceedings of 6th ICDAR '01, Seattle, September 2001, IEEE Computer Society, p 1022-1025
  46. Individuality of Handwriting, S. N. Srihari, S. Cha, H. Arora, and S. Lee in Proceedings of 6th ICDAR '01, Seattle, September 2001, IEEE Computer Society, 106-109
  47. On Compressing a Series of MRI Images using Relative and Sequential Information, S. Cha in Proceedings of Picture Coding Symposium 2001, Seoul, p 37-40
  48. Handwritten Document Image Database Construction and Retrieval System, S. Cha and S. N. Srihari in Proceedings of SPIE Document Recognition and Retrieval VIII, Vol. 4307 San Jose, California, January, 2001, p 13-21
  49. Assessing the Authorship Confidence of Handwritten Items, S. Cha and S. N. Srihari in Proceedings of 5th WACV 2000 Palm Springs, California, December, 2000, IEEE Computer Society, rated award quality, p 42-47
  50. Multiple Feature Integration for Writer Verification, S. Cha and S. N. Srihari in Proceedings of 7th IWFHR2000 , Amsterdam, Netherlands, September, 2000, p 333-342, ISBN 90-76942-01-3, ranked 9, photo
  51. Distance between Histograms of Angular Measurements and its Application to Handwritten Character Similarity, S. Cha and S. N. Srihari in Proceedings of 15th ICPR 2000 September 3-8, 2000, IEEE Computer Society, Barcelona, Spain, p 21-24
  52. Writer Identification: Statistical Analysis and Dichotomizer, S. Cha and S. N. Srihari in Proceedings of SPR and SSPR 2000 Alicante, Spain, August 30 - September 1, 2000, LNCS - Advances in Pattern Recognition, vol. 1876, p 123-132
  53. Nearest Neighbor Search using Additive Binary Tree, S. Cha and S. N. Srihari in Proceedings of CVPR 2000 Vol 1 June 13 - 15, 2000, Hilton Head Island, South Carolina, IEEE Computer Society, p 782-787
  54. Convex Hull Discriminant Function and its Application to Writer Identification Problem, S. Cha and S. N. Srihari in Proceedings of 5th JCIS 2000 Vol II CVPRIP Feb. 27 - Mar. 3, 2000, Atlantic City, p 13-16
  55. Comparing color images using angular histogram measures, S. Cha and M. Srikanth in Proceedings of 5th JCIS 2000 Vol II CVPRIP Feb. 27 - Mar. 3, 2000, Atlantic City, p 139-142
  56. Approximate String Matching for Stroke Direction and Pressure Sequences S. Cha, Y. Shin and S. N. Srihari in Proceedings of SPIE, Document Recognition and Retrieval VII, Vol. 3967, p2-10, SanJose, January 2000
  57. Approximate Character String Matching Algorithm S. Cha, Y. Shin and S. N. Srihari Proceedings of 5th ICDAR '99, Bangalore, India, IEEE Computer Society, p53-56
  58. Fast Image Template and Dictionary Matching Algorithms, S. Cha in Proceedings of ACCV '98, Hongkong, LNCS -Computer Vision, vol. 1351, 1997, p370-377
  59. Iconic Communication Method for Liver Disease on Teleradiology, S-H Cha and S-B Cha in Proceedings of IMAC '97 Oct. 1997, p 238-246
  60. Medical Image Processing by using the Intensity Histogram, S. Cha in Proceedings of IMAC '97 Oct. 1997, p 233-237

Abridged Papers/Abstracts (Refereed)

  1. System that identifies writers, S. Cha and S. N. Srihari in Proceedings of AAAI 2000, p 1068, Student Abstract and Poster Program, Aug. 2nd, 2000 Austin, Texas, received the AAAI Student Scholarship.
  2. Mapping the Many Class Problem into a Dichotomy using Distance Measures, S. Cha and S. N. Srihari presented at An international conference of Statistics, in honor of Professor C.R. Rao on the occasion of his 80th birthday. Mar. 16-19, 2000 San Antonio, p 57-58

Technical Reports & Internal Proceedings

  1. On the Geometrical Aspect of Biometric Systems S. Cha, UKC 2006 IT symposium, Aug 2006, New York.
  2. Analyzing Shape Context using the Hamiltonian Cycle C. E. Abrams, S. Cha, and C. C. Tappert CSIS Technical Reports, July 2006, n 210
  3. Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study M. Curtin , C. Tappert, M. Villani, G. Ngo, J. Simone, H. St. Fort, and S.-H. Cha, Pace CSIS Research Day May 2006
  4. Keystroke Biometric Recognition Studies on Long-Text Input under Ideal and Application-Oriented Conditions M. Villani, C. Tappert, G. Ngo, J. Simone, H. St. Fort, and S.-H. Cha, Pace CSIS Research Day May 2006
  5. Assessing the Discriminatory Power of Biometric Verifiers S.-H. Cha and C. Tappert, Pace CSIS Research Day May 2006
  6. Shape Matching with Ordered Boundary Points Using a Least-Cost Diagonal Method C. E. Abrams, S.-H. Cha, and C. Tappert, Pace CSIS Research Day May 2006
  7. Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge J. Galatti, S. Cha, M. Gargano and C. Tappert, Pace CSIS Research Day May 2005
  8. A Greek Pottery Shape and School Identification and Classification System Using Image Retrieval Techniques G. Bishop, S. Cha and C. Tappert, Pace CSIS Research Day May 2005
  9. Detection of Foreign Entities in Native Text Using N-gram Cumulative FrequencyAddition B. Ahmed, S. Cha and C. Tappert, Pace CSIS Research Day May 2005
  10. Semantic Geometric Features: A Preliminary Investigation of Automobile Identification C. E. Abrams, S. Cha, M. Gargano, and C. Tappert, Pace CSIS Research Day May 2005
  11. Handwriting Copybook Style Analysis of Pseudo-Online Data M. L. Manfredi, S. Cha, Sungsoo Yoon and Charles C. Tappert, Pace CSIS Research Day May 2005
  12. Long-Text Keystroke Biometric Applications over the Internet G.y Bartolacci, M. Curtin, M. Katzenberg, N. Nwana, S. Cha and C. Tappert, Pace CSIS Research Day May 2005
  13. On Evaluating Open Biometric Identification Systems M. Gibbons, S. Yoon, S. Cha and C. Tappert, Pace CSIS Research Day May 2005
  14. Enhancing Binary Feature Vector Similarity Measures S. Cha, S. Yoon, and C. C. Tappert CSIS Technical Reports, Jan 2005, n 210
  15. Interactive Flag Identification Using Image retrieval Techniques E. K. Hart, S.-H. Cha, C. Tappert CSIS Technical Reports, July 2004, n 203
  16. Use of Random Graph for Angiogenesis, S. Cha, M. Gargano, L. Quintas, and E. Wahl The 14th KSEA Northeast Regional Conference, Pocono, PA, May 2004
  17. A Neural Network Classifier for Junk E-Mail, Ian Stuart, Sung-Hyuk Cha, and Charles Tappertslides Pace CSIS Research Day May 2004
  18. Use of Histogram Distances in Iris Authentication, Seung-Seok Choi, Sungsoo Yoon, Sung-Hyuk Cha, and Charles Tappert  Pace CSIS Research Day May 2004
  19. Interactive Flag Identification Using a Fuzzy Neural Technique, Eduardo Hart, Sung-Hyuk Cha, and Charles Tappert, Pace CSIS Research Day May 2004
  20. Establishing the Uniqueness of the Human Voice for Security Applications, Naresh P. Trilok, Sung-Hyuk Cha, and Charles C. Tappert. Pace CSIS Research Day May 2004
  21. Use of Chatroom Abbreviations and Shorthand Symbols in Pen Computing, William B. Huber, Sung-Hyuk Cha, Charles C. Tappert, and Vicki L. Hanson, Pace CSIS Research Day May 2004
  22. Language Identification from Text Using N-gram Based Cumulative Frequency Addition, Bashir Ahmed, Sung-Hyuk Cha, and Charles Tappert slides, Pace CSIS Research Day May 2004
  23. Ant Colonies, Self-Organizing Maps, and a Hybrid Classification Model, Michael L. Gargano, Lorraine L. Lurie, Lixin Tao, and Sung-Hyuk Cha, Pace CSIS Research Day May 2004
  24. Interactive Visual System A. Evans, J. Sikorski, P. Thomas, J.Zou, G. Nagy, S.-H. Cha, C. Tappert CSIS Technical Reports, December 2003, n 196
  25. Histogram based Image Indexing and Retrieval S. Cha CSIS Technical Reports, March 2002, n 173
  26. Use of Distance Measures in Handwriting Analysis S. Cha CSE Departmental Technical Reports Ph.D. dissertation, March, 2001
  27. Handwriting Identification: Research to Study Validity of Individuality of Handwriting & Develop Computer-assisted Procedures for Comparing Handwriting S. N. Srihari, S. Cha, H. Arora, and S. Lee CEDAR-TR-01-1 April, 2001
  28. Algorithm for the Edit Distance between Angular Type Histograms S. Cha, Y. Shin and S. N. Srihari CEDAR-TR-99-1 April, 1999

In Review

  1. Compressed Relative Chain Code Representation

Last Update: May 1, 2005 © Sung-Hyuk Cha