Publications

[Bibtex entries]

2010

• Traffic Monitoring of Motorcycles During Special Events Using Video Detection
  N. K. Kanhere, S. T. Birchfield, W. A. Sarasua, and S. Khoeini
  TRB Annual Meeting, Washington, D.C., January 2010

2009

• Rapid Automated Detection of Roots in Minirhizotron Images (published version)
  G. Zeng, S. T. Birchfield, and C. E. Wells
  Machine Vision and Applications, 2009 (in press).
• Qualitative Vision-Based Path Following
  Z. Chen and S. T. Birchfield
  IEEE Transactions on Robotics, 25(3):749-754, June 2009.
• Adaptive Fragments-Based Tracking of Non-Rigid Objects Using Level Sets (poster)
  P. Chockalingam, N. Pradeep, and S. T. Birchfield
  Proceedings of the International Conference on Computer Vision (ICCV), Kyoto, Japan, September 2009.
• Motion-Based View-Invariant Articulated Motion Detection and Pose Estimation Using Sparse Point Features
  S. J. Pundlik and S. T. Birchfield
  Proceedings of the International Symposium on Visual Computing, Las Vegas, Nevada, November 2009.

2008

• Real-Time Motion Segmentation of Sparse Feature Points at Any Speed (IEEE copyright notice)
  S. J. Pundlik and S. T. Birchfield
  IEEE Transactions on Systems, Man, and Cybernetics Part B: Cybernetics, 38(3):731-742, June 2008.
• Real-Time Incremental Segmentation and Tracking of Vehicles at Low Camera Angles Using Stable Features (IEEE copyright notice)
  N. K. Kanhere and S. T. Birchfield
  IEEE Transactions on Intelligent Transportation Systems, 9(1):148-160, March 2008.
• Automatic Discrimination of Fine Roots in Minirhizotron Images
  G. Zeng, S. T. Birchfield, and C. E. Wells
  New Phytologist, 177(2):549-557, January 2008.
• Automatic Camera Calibration Using Pattern Detection for Vision-Based Speed Sensing (slides)
  N. K. Kanhere, S. T. Birchfield, and W. A. Sarasua
  Transportation Research Record:  Journal of the Transportation Research Board, No. 2086, pp. 30-39, 2008.
  (presented at TRB Annual Meeting, Washington, D.C., January 2008)
• Adapting Starburst for Elliptical Iris Segmentation
  W. J. Ryan, D. L. Woodard, A. T. Duchowski, and S. T. Birchfield
  Proceedings of the IEEE Second International Conference on Biometrics: Theory, Applications and Systems (BTAS), Washington, D.C., September 2008.
• Joint Tracking of Features and Edges (poster)
  S. T. Birchfield and S. J. Pundlik
  Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Anchorage, Alaska, June 2008. 
• Visual Detection of Lintel-Occluded Doors from a Single Image (slides)
  Z. Chen and S. T. Birchfield.
  IEEE Computer Society Workshop on Visual Localization for Mobile Platforms (in association with CVPR), Anchorage, Alaska, June 2008.
• Autonomous Navigation and Mapping Using Monocular Low-Resolution Grayscale Vision (poster)
  V. N. Murali and S. T. Birchfield
  IEEE Computer Society Workshop on Visual Localization for Mobile Platforms (in association with CVPR), Anchorage, Alaska, June 2008.
• Non-Ideal Iris Segmentation Using Graph Cuts (slides)
  S. J. Pundlik, D. L. Woodard, and S. T. Birchfield.
  Proceedings of the IEEE Computer Society Workshop on Biometrics (in association with CVPR), Anchorage, Alaska, June 2008.
• Limbus/Pupil Switching for Wearable Eye Tracking Under Variable Lighting Conditions
  W. J. Ryan, A. T. Duchowski, and S. T. Birchfield
  Symposium on Eye Tracking Research and Applications (ETRA), Savannah, Georgia, pages 61-64, March 2008.

2007

• Spatial Histograms for Region-Based Tracking
  S. T. Birchfield and S. Rangarajan
  Electronics and Telecommunications Research Institute (ETRI) Journal, 29(5):697-699, October 2007.
• Correspondence as Energy-Based Segmentation (published version)
  S. T. Birchfield, B. Natarajan, and C. Tomasi
  Image and Vision Computing, 25(8):1329-1340, August 2007.
• Person Following with a Mobile Robot Using Binocular Feature-Based Tracking (slides)
  Z. Chen and S. T. Birchfield
  Proceedings of the IEEE International Conference on Intelligent Robots and Systems (IROS), San Diego, California, pages 815-820, October 2007.
• Isomap Tracking with Particle Filtering (poster)
  N. Rane and S. T. Birchfield
  Proceedings of the IEEE International Conference on Image Processing (ICIP), San Antonio, Texas, vol. 2, pages 513-516, September 2007.
• Real-Time Detection and Tracking of Vehicle Base Fronts for Measuring Traffic Counts and Speeds on Highways (slides)
  N. K. Kanhere, S. T. Birchfield, W. A. Sarasua, and T. C. Whitney
  Transportation Research Record:  Journal of the Transportation Research Board, No. 1993, pp. 155-164, 2007.
  (presented at TRB Annual Meeting, Washington, D.C., January 2007)

2006

• Detecting and Measuring Fine Roots in Minirhizotron Images Using Matched Filtering and Local Entropy Thresholding (published version)
  G. Zeng, S. T. Birchfield, and C. E. Wells
  Machine Vision and Applications, 17(4):265-278, 2006.
• Motion Segmentation at Any Speed (slides)
  S. J. Pundlik and S. T. Birchfield
  Proceedings of the British Machine Vision Conference (BMVC), Edinburgh, Scotland, pages 427-436, September 2006.
• Qualitative Vision-Based Mobile Robot Navigation (slides)
  Z. Chen and S. T. Birchfield 
  Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), Orlando, Florida, pages 2686-2692, May 2006.
• Vehicle Segmentation and Tracking in the Presence of Occlusions (slides)
  N. K. Kanhere, S. T. Birchfield, and W. A. Sarasua
  Transportation Research Record:  Journal of the Transportation Research Board, No. 1944, pp. 89-97, 2006.
  (presented at TRB Annual Meeting, Washington, D.C., January 2006)
• Automated Patient Facial Image Capture to Reduce Medical Error
  C. Feied, M. Gillam, J. Handler, and S. Birchfield
  American Medical Informatics Association (AMIA) Annual Symposium, Washington DC, November 2006.
• Automatic Detection of Fine Roots in Minirhizotron Images
  G. Zeng, S. Birchfield, C. Wells, and D. Layne
  Proceedings of the American Society for Horticultural Science (ASHS) Annual Conference,  New Orleans, Louisiana, July 2006.
• GIS-Based Roadway Video-logging using a Firewire Camera Combined with Satellite Differentially Corrected GPS (slides)
  W. Sarasua, N. Kanhere, and S. Birchfield 
  Proceedings of the 19th Geospatial Information Systems for Transportation Symposium, Columbus, Ohio, March 2006.

2005

• Microphone Array Position Calibration by Basis-Point Classical Multidimensional Scaling (IEEE copyright notice)
  S. T. Birchfield and A. Subramanya
  IEEE Transactions on Speech and Audio Processing, 13(5):1025-1034, September 2005.
• Spatiograms Versus Histograms for Region-Based Tracking (poster)
  S. T. Birchfield and S. Rangarajan
  Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Diego, California, volume 2, pages 1158-1163, June 2005.
• Vehicle Segmentation and Tracking from a Low-Angle Off-Axis Camera (poster)
  N. K. Kanhere, S. J. Pundlik, and S. T. Birchfield
  Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Diego, California, volume 2, pages 1152-1157, June 2005. 
• Analysis of Neurite Outgrowth for a Laser Patterned Neuronal Culture (poster)
  S. K. Guduru, S. V. Narasimhan, S. T. Birchfield, and B. Z. Gao
  Proceedings of the 2nd International IEEE EMBS Special Topic Conference on Neural Engineering, Arlington, Virginia, March 2005.
• Acoustic Localization by Interaural Level Difference (poster)
  S. T. Birchfield and R. Ganghishetty
  Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Philadelphia, Pennsylvania, vol. 4, pages 1109-1112, March 2005.

2001-2004

• A Unifying Framework for Acoustic Localization (slides)
  S. T. Birchfield
  Proceedings of the 12th European Signal Processing Conference (EUSIPCO), Vienna, Austria, September 2004. 
• Extension and Evaluation of MDS for Geometric Microphone Array Calibration (slides)
  A. Subramanya and S. T. Birchfield
  Proceedings of the 12th European Signal Processing Conference (EUSIPCO), Vienna, Austria, September 2004.
• Geometric Microphone Array Calibration by Multidimensional Scaling
  S. T. Birchfield
  Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Hong Kong, April 2003.
• Fast Bayesian Acoustic Localization (slides)
  S. T. Birchfield and D. K. Gillmor
  Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Orlando, Florida, May 2002.
• Acoustic Source Direction by Hemisphere Sampling (slides)
  S. T. Birchfield and D. K. Gillmor
  Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Salt Lake City, Utah, May 2001.
• Auditory and Visual Spatial Sensing, Presentation delivered at various companies, colleges, and universities, 2002-2004.

1995-1999

• Depth and Motion Discontinuities (slides)
  S. T. Birchfield
  Ph.D. dissertation, Stanford University, June 1999.
• Depth Discontinuities by Pixel-to-Pixel Stereo
  S. Birchfield and C. Tomasi
  International Journal of Computer Vision, 35(3): 269-293, December 1999.
• Multiway Cut for Stereo and Motion with Slanted Surfaces (slides) -- erratum
  S. Birchfield and C. Tomasi
  Proceedings of the Seventh IEEE International Conference on Computer Vision (ICCV), Kerkyra, Greece, pages 489-495, September 1999.
• A Pixel Dissimilarity Measure That is Insensitive To Image Sampling (IEEE copyright notice)
  S. Birchfield and C. Tomasi
  IEEE Transactions on Pattern Analysis and Machine Intelligence, 20(4):401-406, April 1998.
• Elliptical Head Tracking Using Intensity Gradients and Color Histograms (slides)
  S. Birchfield
  Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Santa Barbara, California, pages 232-237, June 1998.
• Depth Discontinuities by Pixel-to-Pixel Stereo
  S. Birchfield and C. Tomasi
  Proceedings of the Sixth IEEE International Conference on Computer Vision (ICCV), Mumbai, India, pages 1073-1080, January 1998.
• An Elliptical Head Tracker
  S. Birchfield
  Proceedings of the 31st Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, California, pages 1710-1714, November 1997.
• Depth Discontinuities by Pixel-to-Pixel Stereo
  S. Birchfield and C. Tomasi. 
  Stanford University Technical Report STAN-CS-TR-96-1573, July 1996.
• Dervish: An Office Navigating Robot
  I. Nourbakhsh, R. Powers, and S. Birchfield
  AI Magazine, 16(2): 53--60, Summer 1995.

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