Tracy Hammond
Contact information
| Position | Associate Professor at Texas A&M University |
| Position at SRL | SRL Director |
Personal data
Education
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Doctor of Philosophy (Computer Science) from Massachusetts Institute of Technology (2007)
Thesis: LADDER: A Perceptually-Based Language to Simplify Sketch Recognition User Interfaces Development
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Finance Technology Option from Massachusetts Institute of Technology (2003)
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Master of Arts (Antropology) from Columbia University (2001)
Thesis: Ethnomathematics: Concept Definition and Research Perspectives
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Master of Science (Computer Science) from Columbia University (2000)
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Bachelor of Science (Applied Mathematics) from Columbia University (1997)
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Bachelor of Arts (Mathematics) from Columbia University (1997)
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Books
2008
- Berque, D., Evans, E., Hammond, T., Mock, K., Payton, M., and Sweeney, D. Tablet PCs in K-12 Education: No Blank Slates. International Society for Technology in Education, 2008.
Thesis
2007
- Hammond, T. LADDER: A Perceptually-Based Language to Simplify Sketch Recognition User Interfaces Development. MIT PhD Thesis, 2007.
2000
- Hammond, T. Ethnomathematics: Concept Definition and Research Perspectives. Master's Thesis: Columbia University, Anthropology Department, 2000.
Journals
2011
- Hammond, T., and *Paulson, B. Recognizing sketched multistroke primitives. ACM Transactions on Interactive Intelligent Systems (TiiS) Volume 1 Issue 1 , October, 2011, pp. 1--34. (Notes: Readable by local users only)
2010
- Costagliola, G., Hammond, T., and Plimmer, B. JVLC special issue on sketch computation. Journal of Visual Languages and Computation, April, 2010, pp. 67--68.
- Paulson, B., *Cummings, D., and Hammond, T. Object Interaction Detection using Hand Posture Cues in an Office Setting. International Journal of Human-Computer Studies, 2010, pp. 389--401.
2008
- *Paulson, B., and Hammond, T. MARQS: Retrieving Sketches Learned from a Single Example Using a Dual-Classifier. Journal on Multimodal User Interfaces, Springer, 2008, pp. 3--11. (Notes: http://www.springerlink.com/content/4601854000500828/)
2005
- Hammond, T., and Davis, R. LADDER: A Sketching Language for User Interface Developers. Computer and Graphics, Elsevier, August, 2005, pp. 518--532.
Highly Selective Conferences
2012
- *Valentine, S., *Vides, F., *Lucchese, G., *Turner, D., *Kim, H., *Li, W., Linsey, J., and Hammond, T. Mechanix: A Sketch-Based Tutoring System for Statics Courses. The Twenty-Fourth Conference on Innovative Applications of Artificial Intelligence, Toronto, Ontario, Canada, July 22-26, 2012.
- *Prasad, M., and Hammond, T. Observational Study on Teaching Artifacts Created using Tablet PC. Computer Human Interaction 2012, Austin, Texas, May 5-10, 2012.
2011
- *Li, W., and Hammond, T. Recognizing Text from Sound Alone. Twenty-Fifth Conference on Artificial Intelligence, San Francisco, CA, August 7-11, 2011. (Acceptance rate: 242 of 975, 24%.)
- *Field, M., *Valentine, S., Linsey, J., and Hammond, T. Sketch Recognition Algorithms for Comparing Complex and Unpredictable Shapes. Twenty-Third International Joint Conference on Artificial Intelligence (IJCAI 2011), Barcelona, Spain, July 16-22, 2011. (Acceptance rate: 400 of 1325, 30%.)
2010
- Hammond, T., and Davis, R. Creating the perception-based LADDER sketch recognition language. Designing Interactive Systems (DIS 2010), Arhus, Denmark, August 18-20, 2010. (Acceptance rate: 15%.)
- Hammond, T., *Logsdon, D., *Paulson, B., *Johnston, J., *Peschel, J., *Wolin, A., and *Taele, P. A Sketch Recognition System for Recognizing Free-Hand Course of Action Diagrams. The Twenty-Second Conference on Innovative Applications of Artificial Intelligence, Atlanta, Georgia, July 11-15, 2010. (Acceptance rate: 39%.)
2009
- *Bhat, A., and Hammond, T. Using Entropy to differentiate between shape and text in hand drawn diagrams. Twenty-First International Joint Conference on Artificial Intelligence (IJCAI 2009) , Pasadena, California, July 11-17, 2009. (Acceptance rate: 331 of 1290, 25%.)
2008
- *Paulson, B., and Hammond, T. Office Activity Recognition using Hand Posture Cues. 22nd British HCI Group Annual Conference (HCI2008 Culture, Creativity, Interaction), Liverpool, United Kingdom, September 4, 2008, pp. 75--78. (Acceptance rate: 30%.)
- *Paulson, B., and Hammond, T. PaleoSketch: Accurate Primitive Sketch Recognition and Beautification. 13th International Conference on Intelligent User Interfaces (IUI 2008), Canary Islands, Spain, January, 2008, pp. 1--10. (Acceptance rate: 30 of 205, 14%.)
2006
- Hammond, T., and Davis, R. Interactive Learning of Structural Shape Descriptions from Automatically Generated Near-miss Examples. Intelligent User Interfaces (IUI 2006), January 29-February 1, 2006, pp. 210--217. (Acceptance rate: 30 of 138, 21%.)
2004
- Hammond, T., and Davis, R. Automatically Transforming Symbolic Shape Descriptions for Use in Sketch Recognition. The Nineteenth National Conference on Artificial Intelligence (AAAI 2004), San Jose, California, July 27, 2004, pp. 450--456. (Acceptance rate: 121 of 453, 26%.)
2003
- Hammond, T., and Davis, R. LADDER: A Language to Describe Drawing, Display, and Editing in Sketch Recognition. International Joint Conference on Artificial Intelligence (IJCAI 2003), August 16, 2003, pp. 461--467. (Acceptance rate: 189 of 913, 20%.)
Highly Visible Conferences
2012
- *Cummings, D., and Hammond, T. Sketch-based Interface for Interaction with Unmanned Air Vehicles. ACM SIGCHI Conference on Human Factors in Computing Systems 2012 Works-in-Progress, Austin, TX, May 5-10, 2012. (Acceptance rate: 196 of 406, 48%.)
- *Li, W., and Hammond, T. Using Scribble Gesture to Enhance Editing Behavior of Sketch Recognition System. ACM SIGCHI Conference on Human Factors in Computing Systems 2012 Works-in-Progress, Austin, TX, May 5-10, 2012. (Acceptance rate: 196 of 406, 48%.)
2011
- *Wolin, A., *Field, M., and Hammond, T. Combining Corners from Multiple Segmenters. EUROGRAPHICS Symposium on Sketch-Based Interfaces and Modeling, Vancouver, Canada, August 5-7, 2011. (Acceptance rate: 18 of 36, 50%.)
- Kourtney , K., *Field, M., and Hammond, T. Defining Precise Measurements with Sketched Annotations. EUROGRAPHICS Symposium on Sketch-Based Interfaces and Modeling, Vancouver, Canada, August 5-7, 2011. (Acceptance rate: 18 of 36, 50%.)
2010
- *Johnston, J., and Hammond, T. Computing Confidence Values for Geometric Constraints for use in Sketch Recognition. Eurographics Symposium on Sketch-based Interfaces and Modeling (SBIM 2010), Annecy, France, June 7-10, 2010.
- Hammond, T., *Logsdon, D., *Peschel, J., *Johnston, J., *Wolin, A., and *Taele, P. A Sketch Recognition Interface that Recognizes Hundreds of Shapes in Course-of-Action Diagrams. ACM Conference on Human Factors in Computing Systems (CHI 2010), Atlanta, GA, April 10-15, 2010. (Acceptance rate: 57%.)
- *Taele, P., *Dixon, D., and Hammond, T. Telling the User, “No”: Sketch Recognition for Improving Sketch Technique. SkCHI: Designing Sketch Recognition Interfaces, A CHI 2010 Workshop, Atlanta, Georgia, April 10, 2010.
2009
- *Peschel, J., *Paulson, B., and Hammond, T. A Surfaceless Pen-Based Interface . 7th Annual ACM SIGCHI Conference on Creativity & Cognition, Berkeley, California, October 27-30, 2009.
- *Dixon, D., *Prasad, M., and Hammond, T. iCanDraw? : A Methodology for Using Assistive Sketch Recognition to Improve a Userʼs Drawing Ability. 22nd Symposium on User Interface Software and Technology, Victoria, BC, October 4-7, 2009.
- *Taele, P., and Hammond, T. Hashigo: A Next-Generation Sketch Interactive System for Japanese Kanji. Twenty-First Innovative Applications Artificial Intelligence Conference (IAAI 2009), Pasadena, California, July 14-16, 2009. (Acceptance rate: 32%.)
- Hammond, T., and Davis, R. Recognizing Interspersed Sketches Quickly. Graphics Interface (GI 2009), Kelowna, British Columbia, Canada, May 25-27, 2009. (Acceptance rate: 28 of 77, 36%.)
- Eoff, B., and Hammond, T. Who Dotted That 'i'?: Context Free User Differentiation through Pressure and Tilt Pen Data. Graphics Interface (GI 2009), Kelowna, British Columbia, Canada, May 25-27, 2009. (Acceptance rate: 28 of 77, 36%.)
- *Taele, P., *Peschel, J., and Hammond, T. A Sketch Interactive Approach to Computer-Assisted Biology Instruction. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition Posters, Sanibel Island, Florida, February 8, 2009.
- *Wolin, A., Eoff, B., and Hammond, T. Search Your Mobile Sketch: Improving the Ratio of Interaction to Information on Mobile Devices. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition, Short Talks, Sanibel Island, Florida, February 8-11, 2009. (Acceptance rate: 11 of 30, 36%.)
- *Shahzad, N., *Paulson, B., and Hammond, T. Urdu Qaeda: Recognition System for Isolated Urdu Characters. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition (Long Talks), Sanibel Island, Florida, February 8-11, 2009. (Acceptance rate: 8 of 30, 26%.)
2008
- Choi, H., *Paulson, B., and Hammond, T. Gesture Recognition Based on Manifold Learning. 12th International Workshop on Structural and Syntactic Pattern Recognition, Orlando, Florida, December 4-6, 2008, pp. 247--256. (Acceptance rate: 56%.)
- Hammond, T., Eoff, B., *Paulson, B., *Wolin, A., *Dahmen, K., *Johnston, J., and *Rajan, P. Free-Sketch Recognition: Putting the CHI in Sketching. 26th Annual SIGCHI Conference on Human Factors in Computing Systems (CHI 2008) Works In Progress, Florence, Italy, April, 2008, pp. 3027--3032. (Acceptance rate: 38%.)
2007
- Hammond, T. Simplifying Sketch Recognition UI Development. Grace Hopper Celebration of Women in Computing- New Investigators Papers, October 17-20, 2007, pp. 194--198. (Acceptance rate: 32%.)
2004
- Hammond, T., and Davis, R. Shady: A Shape Description Debugger for Use in Sketch Recognition. Technical Report FS-04-06, Papers from the Association for the Advancement of Artificial Intelligence (AAAI) Fall Symposium on Making Pen-Based Interaction Intelligent and Natural, Menlo Park, California, October 23, 2004, pp. 71--77. (Notes: Journal found in "Making Pen-Based Interaction Intelligent and Natural")
- Hammond, T. Automatically Generated Sketch Interfaces from Shape Descriptions. MIT Student Oxygen Workshop, Gloucester, Massachusetts, September 10, 2004. (Notes: Won Best Paper Award)
2002
- Hammond, T., and Davis, R. Tahuti: A Geometrical Sketch Recognition System for UML Class Diagrams. Technical Report SS-02-08: Papers from the 2002 Association for the Advancement of Artificial Intelligence (AAAI) Spring Symposium on Sketch Understanding, Menlo Park, California, July 28-August 1, 2002, pp. 59--66.
Other Conferences
2012
- *Li, W., and Hammond, T. An Efficient Approach to Group Shapes by Using Neighborhood Graph. Fifth International Conference on Design Computing and Cognition (Abstract), College Station, Texas USA, June 5-9, 2012. (Notes: Poster Abstract)
- *Li, W., and Hammond, T. Using Scribble Gestures to Enhance Editing Behaviors of Sketch Recognition Systems. Fifth International Conference on Design Computing and Cognition (Abstract), College Station, Texas USA, June 5-9, 2012.
2011
- *Valentine, S., *Field, M., Smith, A., and Hammond, T. A Shape Comparison Technique for Use in Sketch-based Tutoring Systems. 2011 Intelligent User Interfaces (IUI 2011) Workshop on Sketch Recognition, Palo Alto, CA, February 13, 2011.
- *Prasad, M., and Hammond, T. Observational study on teaching artifacts created using a Tablet PC. 2011 Intelligent User Interfaces (IUI 2011) Workshop on Sketch Recognition, Palo Alto, CA, February 13, 2011.
- Lupfer, N., *Field, M., Kerne, A., and Hammond, T. sketchy: Morphing User Sketches for Artistic Assistance. 2011 Intelligent User Interfaces (IUI 2011) Workshop on Sketch Recognition, Palo Alto, CA, February 13, 2011.
2010
- Hammond, T., *Prasad, M., and *Dixon, D. Art 101: Learning to Draw through Sketch Recognition. 10th Symposium on Smart Graphics, Banff, Canada, June 24-26, 2010.
- *Miller, J., and Hammond, T. Wiiolin: a virtual instrument using the Wii remote . New Interfaces for Musical Expression++ Demo, Sydney, Australia, June 15-18, 2010.
- *David, J., Eoff, B., and Hammond, T. CoSke: An Exploration in Collaborative Sketching. Posters at the 2010 ACM Conference on Computer Supported Cooperative Work, Savannah, Georgia, February 6-10, 2010.
2009
- *Kaster, B., *Jacobson, E., Moreira, W., *Paulson, B., and Hammond, T. SOUSA v2.0: Automatically Generating Secure and Searchable Data Collection Studies. International Workshop on Visual Languages and Computing (VLC 2009), Redwood City, CA, September 10-12, 2009.
- *van Zomeren, M., Oomes, A., *Peschel, J., Mann, T., Knezek, G., Doebbler, J., *Davis, J., Hammond, T., and Murphy, R. Human-Robot Interaction Observations from a Proto-Study Using SUAVs for Structural Inspection. Human-Robot Interaction 2009, San Diego, CA, March 11-13, 2009.
- *Rajan, P., and Hammond, T. Applying Online Sketch Recognition to Scanned-in Images. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition Posters, Sanibel Island, Florida, February 8, 2009.
- *Johnston, J., and Hammond, T. Assigning Confidence Values to Geometric Constraints. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition Posters, Sanibel Island, Florida, February 8, 2009, pp. 1--4.
- *Zhu, Y., *Johnston, J., and Hammond, T. RingEdit: A Control Point Based Editing Approach in Sketch Recognition Systems. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition (Long Talks), Sanibel Island, Florida, February 8-11, 2009, pp. 1--6. (Acceptance rate: 8 of 30, 26%.)
- *Corey, P., Eoff, B., and Hammond, T. Sketch Off: A Sketch Recognition Competition. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition Posters, Sanibel Island, Florida, February 8, 2009, pp. 1--4.
- *Paulson, B., and Hammond, T. Towards a Framework for Truly Natural Low-level Sketch Recognition. 2009 Intelligent User Interfaces (IUI 2009) Workshop on Sketch Recognition Posters, Sanibel Island, Florida, February 8, 2009, pp. 1--4.
2008
- *Paulson, B., *Rajan, P., *Davalos, P., Gutierrez-Osuna, R., and Hammond, T. What?! No Rubine Features?: Using Geometric-based Features to Produce Normalized Confidence Values for Sketch Recognition. Visual Languages and Human Centric Computing Workshop on Sketch Tools for Diagramming, Herrsching am Ammersee, Germany, September 5, 2008.
- *Peschel, J., and Hammond, T. STRAT: A Sketched-Truss Recognition and Analysis Tool. International Workshop on Visual Languages and Computing (VLC 2008), Boston, Massachusetts, September 4-6, 2008, pp. 282--287. (Notes: Journal found in "Proceedings of the Fourteenth International Conference on Distributed Multimedia Systems")
- *Dahmen, K., and Hammond, T. Distinguishing Between Sketched Scribble Look Alikes. 23rd Annual AAAI Conference on Artificial Intelligence: Student Abstracts, Chicago, Illinois, July, 2008, pp. 1790--1791.
- *Wolin, A., *Paulson, B., and Hammond, T. Eliminating False Positives During Corner Finding by Merging Similar Segments. 23rd Annual AAAI Conference on Artificial Intelligence: Student Abstracts, Chicago, Illinois, July, 2008, pp. 1836--1837.
- *Corey, P., and Hammond, T. GLADDER: Combining Gesture and Geometric Sketch Recognition. 23rd Annual AAAI Conference on Artificial Intelligence: Student Abstracts, Chicago, Illinois, July, 2008, pp. 1788--1789.
- Choi, H., and Hammond, T. Sketch Recognition based on Manifold Learning. 23rd Annual AAAI Conference on Artificial Intelligence: Student Abstracts, Chicago, Illinois, July, 2008, pp. 1786--1787.
- Eoff, B., and Hammond, T. User Identification by Means of Sketched Stroke Features. 23rd Annual AAAI Conference on Artificial Intelligence: Student Abstracts, Chicago, Illinois, July, 2008, pp. 1794--1795.
- *Rajan, P., and Hammond, T. From Paper to Machine: Extracting Stokes from Images for use in Sketch Recognition. Eurographics 5th Annual Workshop on Sketch-Based Interfaces and Modeling, Annecy, France, June, 2008, pp. 41--48.
- *Wolin, A., Eoff, B., and Hammond, T. ShortStraw: A Simple and Effective Corner Finder for Polylines. Eurographics 5th Annual Workshop on Sketch-Based Interfaces and Modeling, Annecy, France, June, 2008, pp. 33--40.
- *Paulson, B., Eoff, B., *Wolin, A., *Johnston, J., and Hammond, T. Sketch-Based Educational Games: "Drawing" Kids Away from Traditional Interfaces. 7th International Conference on Interaction Design and Children Posters, Chicago, Illinois, June, 2008.
- *Paulson, B., *Wolin, A., *Johnston, J., and Hammond, T. SOUSA: Sketch-based Online User Study Applet. Eurographics 5th Annual Workshop on Sketch-Based Interfaces and Modeling, Annecy, France, June, 2008, pp. 81--88.
2007
- Hammond, T., and O'Sullivan, B. Recognizing Free-form Hand-sketched Constraint Network Diagrams by Combining Geometry and Context. Eurographics Ireland, University College Dublin, Ireland, December 17, 2007, pp. 67--74.
- *Paulson, B., and Hammond, T. A System for Recognizing and Beautifying Low-level Sketch Shapes Using NDDE and DCR. 20th Annual ACM Symposium on User Interface Software and Technology Posters, Newport, Rhode Island, October 3-7, 2007. (Acceptance rate: 50%.)
- *Paulson, B., and Hammond, T. MARQS: Retrieving Sketches Using Domain and Style Independent Features Learned From a Single Example Using Dual-Classifier. International Workshop on Usability of User Interfaces: From Monomodal to Multimodal, Lancaster, United Kingdom, September 3, 2007, pp. 3--11. (Notes: Part of the 21st International Conference on Human-Computer Interaction (HCI 2007) of the British Computer Society)
- Hammond, T. Sketch Recognition at Texas A&M University. Brown Workshop on Pen-Centric Computing, March 25, 2007, pp. 1--6.
2002
- Hammond, T., Gajos, K., Davis, R., and Shrobe, H. An Agent-Based System for Capturing and Indexing Software Design Meetings. MIT Workshop on Agents in Design, August 28, 2002, pp. 203--218.
- Hammond, T. A Domain Description Language for Sketch Recognitions. MIT Student Oxygen Workshop, Gloucester, MA, July 17, 2002, pp. 71--72.
- Hammond, T., Sezgin, M., Veselova, O., Adler, A., Oltmans, M., Alvarado, C., and Hitchcock, R. Multi-Domain Sketch Recognition. MIT Student Oxygen Workshop, Gloucester, MA, July 17, 2002, pp. 69--70.
2001
- Hammond, T. Natural Sketch Recognition in UML Class Diagrams. MIT Student Oxygen Workshop, Gloucester, Massachusetts, July 16, 2001, pp. 23--24.
Conference Reports
2009
- Hammond, T. IUI'09 Workshop Summary: Sketch Recognition. Proceedings on the International Conference on Intelligent User Interfaces (IUI 2009). , Sanibel Island, FL , January, 2009, pp. 501--502.
2008
- Plimmer, B., and Hammond, T. Getting Started with Sketch Tools. A Tutorial on Sketch Recognition Tools. Lecture Notes in Artificial Intelligence, September 22, 2008, pp. 9--12.
- Hammond, T., and Plimmer, B. Workshop on Sketch Tools for Diagramming. Visual Languages and Human Centric Computing Workshop on Sketch Tools for Diagramming, Herrsching am Ammersee, Germany, September 5, 2008, pp. 4--4.
Education Papers
2007
- Hammond, T. Enabling Instructors to Develop Sketch Recognition Applications for the Classroom. Frontiers in Engineering, October 13-15, 2007, pp. 11--16. (Acceptance rate: 57%.)
2002
- Hammond, T., and Hammond, J. Gender-Based Underrepresentation in Computer Science and Related Disciplines. Frontiers in Engineering, November 6, 2002. (Notes: Winner of New Faculty Fellow Award: 8 of 62)
Technical Reports
2008
- *Jacobson, E., *Kaster, B., and Hammond, T. SOUSA: The Sketch-based Online User Study Application. Research Experiences for Undergraduates, 2008.
Published Abstracts
2007
- *Dahmen, K., and Hammond, T. Determining Scribble Intention in Hand-drawn Sheet Music. Grace Hopper Celebration of Women in Computing- Student Posters, October 17-20, 2007.
- *Peschel, J., Hammond, T., Brumbelow, K., and Cahill, T. A Sketch-Based Interface for Rapid Floodplain Assessment, American Water Resource Association (AWRA). Spring Specialty Conference GIS and American Water Resource Association, March 17-19, 2007. (Acceptance rate: 11%.) (Notes: Winner: Student Best Paper)