Jan-Michael Frahm Research Assistant Professor Department of Computer Science University of North Carolina at Chapel Hill Tel: (919) 962 1703 Fax: (919) 962 1699 E-mail: jmf@cs.unc.edu

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Research

Publications

Curriculum

Tutorials & Workshops

2008

Rahul Raguram, Jan-Michael Frahm, Marc Pollefeys, "A Comparative Analysis of RANSAC Techniques Leading to Ad aptive Real-Time Random Sample Consensus", ECCV 2008

Xiaowei Li, Changchang Wu, Christopher Zach, Svetlana Lazebnik, Jan-Michael Frahm, "Modeling and Recognition of Landmark Image Collections Using Iconic Scene Graphs", ECCV 2008

Changchang Wu, Brian Clipp, Xiaowei Li, Jan-Michael Frahm, Marc Pollefeys, "3D Model Matching with Viewpoint Invariant Patches (VIPs)", CVPR 2008 (oral acceptance rate 4%).

Ram Krishan Kumar, Adrian Ilie, Jan-Michael Frahm, Marc Pollefeys, "Simple calibration of non-overlapping cameras with a mirror", CVPR 2008 (oral acceptance rate 4%).

David Gallup, Jan-Michael Frahm, Philippos Mordohai, Marc Pollefeys, "Variable Baseline/Resolution Stereo", CVPR 2008 (oral acceptance rate 4%).

Seon Joo Kim, Jan-Michael Frahm, Marc Pollefeys, "Radiometric Calibration with Illumination Change for Outdoor Scene Analysis", CVPR 2008.

M. Pollefeys, D. Nister, J.-M. Frahm, A. Akbarzadeh, P. Mordohai, B. Clipp, C. Engels, D. Gallup, S.-J. Kim, P. Merrell, C. Salmi, S. Sinha, B. Talton, L. Wang, Q. Yang, H. Stew´enius, R. Yang, G. Welch, H. Towles,“Detailed Real-Time Urban 3D Reconstruction From Video”, IJCV special issue on “Modeling Large-Scale 3D Scenes”

Brian Clipp, Jan-Michael Frahm, Marc Pollefeys, Jae-Hak Kim, Richard Hartley, "Robust 6DOF Motion Estimation for Non-Overlapping Multi-Camera Systems", WACV'08

Changchang Wu, Jan-Michael Frahm, Friedrich Frauendorfer, and Marc Pollefeys, "Image Localization in Satellite Imagery with Feature-based Indexing", ISPRS'08

Friedrich Frauendorfer, Changchang Wu, Jan-Michael Frahm and Marc Pollefeys, "Visual Word based Location Recognition in 3D models using Distance Augmented Weighting", 3DPVT 2008

Greg Coombe, Jan-Michael Frahm and Anselmo Lastra, "Capturing a Surface Light Field Under Virtual Illumination", 3DPVT 2008

Christopher Zach, David Gallup and Jan-Michael Frahm, "Fast Gain-Adaptive KLT Tracking on the GPU", CV GPU' 08 workshop in conjunction with CVPR'08

Changchang Wu, Friedrich Fraundorfer, Jan-Michael Frahm and Marc Pollefeys, "3D Model Search and Pose Estimation from Single Images using VIP Features", S3D workshop in conjunction with CVPR'08

Brian Clipp, Rahul Raguram, Jan-Michael Frahm, Greg Welch, and Marc Pollefeys, "A Mobile 3D City Reconstruction System", IEEE VR workshop on Cityscapes

2007

Paul Merrell, Amir Akbarzadeh, LiangWang, PhilipposMordohai, Jan-Michael Frahm, Ruigang Yang, David Nist´er, and Marc Pollefeys, "“Real-Time Visibility-Based Fusion of Depth Maps”, ICCV 2007.

Seon Joo Kim, Jan-Michael Frahm, and Marc Pollefeys, “Joint Feature Tracking and Radiometric Calibration from Auto-Exposure Video”, ICCV 2007.

D. Gallup, J.-M. Frahm, P. Mordohai, Q. Yang, M. Pollefeys, "Real-Time Plane-sweeping Stereo with Multiple Sweeping Directions", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR' 07), 2007.

Hua Yang, Marc Pollefeys, Greg Welch, Jan-Michael Frahm, and Adrian Ilie, "Differential camera tracking through linearizing the local appearance manifold", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR' 07), 2007.

S. Sinha, J.-M. Frahm, M. Pollefeys, Y. Genc, "Feature Tracking and Matching in Video Using Programmable Graphics Hardware", Journal of Machine Vision and Application.

Brian Clipp, Greg Welch, Jan-Michael Frahm, and Marc Pollefeys, “Structure From Motion via a Two-Stage Pipeline of Extended Kalman Filters”, BMVC 2007.

Jae-Hak Kim, Richard Hartley, Jan-Michael Frahm, and Marc Pollefeys, “Visual Odometry for Non-Overlapping Views Using Second-Order Cone Programming”, ACCV 2007.

Paul Merrell, Philippos Mordohai, Jan-Michael Frahm and Marc Pollefeys, "“Evaluation of Large Scale Scene Reconstruction”, VRML in conjunction with ICCV 2007.

S. J. Kim, D. Gallup, J.-M. Frahm, A. Akbarzadeh, Q. Yang, R. Yang, D. Nister, M. Pollefeys, "Gain Adaptive Real-Time Stereo Streaming", Int. Conf. on Computer Vision Systems, 2007

Philippos Mordohai, Jan-Michael Frahm, Amir Akbarzadeh, Brian Clipp, Chris Engels, David Gallup, Paul Merrell, Christina Salmi, Sudipta Sinha, Brad Talton, Liang Wang, Qing-Xiong Yang Yang, Henrik Stewenius, Herman Towles, Greg Welch, Ruigang Yang, Marc Pollefeys, and David Nister, "Real-time video-based reconstruction of urban environments", ISPRS Working Group V/4 Workshop 3D-ARCH 2007: 3D Virtual Reconstruction and Visualization of Complex Architectures, (ETH Zurich, Switzerland), July 2007.

2006

Jan-Michael Frahm, Marc Pollefeys, "RANSAC for (Quasi-)Degenerate data (QDEGSAC)", CVPR 2006, New York

Jan-Michael Frahm, Greg Coombe and Anselmo Lastra, "Captureing Surface Light Fields of Real Objects with a Projector Camera System", ProCams Workshop, New York, 2006

A. Akbarzadeh, J.-M. Frahm, P. Mordohai, B. Clipp, C. Engels, D. Gallup, P. Merrell, M. Phelps, S. Sinha, B. Talton, L. Wang, Q. Yang, H. Stewenius, R. Yang, G. Welch, H. Towles, D. Nister and M. Pollefeys, "Towards Urban 3D Reconstruction From Video", 3DPVT'06 (Int. Symp. on 3D Data, Processing, Visualization and Transmission), 2006

Sudipta Sinha, Jan-Michael Frahm, Marc Pollefeys and Yakup Genc, "GPU based video feature tracking and matching", EDGE 2006

2005

Jan-Michael Frahm, Kevin Köser, Daniel Grest and Reinhard Koch, Markerless Augmented Reality with Light Source Estimation for Direct Illumination, Conference on Visual Media Production 2005, Dec., London

Ph. D. thesis: Jan-Michael Frahm, Camera Self-Calibration with Known Camera Orientation, (ISBN 3-8322-4153-1), Shaker Verlag [pdf]

Reinhard Koch, Jan-Friso Evers-Senne, Jan-Michael Frahm, and Kevin Köser, "3D Reconstruction and Rendering from Image Sequences", WIAMIS 2005, Montreux, Switzerland, April 13-15 2005

2004

Jan-Michael Frahm, Kevin Köser and Reinhard Koch, "Pose estimation for a Multi-Camera System", Tübingen, Germany, Sept. 2004

2003

Jan-Michael Frahm and Reinhard Koch, "Camera Calibration and 3D Scene Reconstruction from image sequence and rotation sensor data", Vision, Modeling, and Visualization 2003, Nov. 19 - 21, 2003 Munich, Germany

Daniel Grest, Jan-Michael Frahm, and Reinhard Koch, "A Color Similarity Measure for Robust Shadow Removal in Real Time", Vision, Modeling, and Visualization 2003, Nov. 19 - 21, 2003 Munich, Germany

Jan-Michael Frahm and Reinhard Koch, "Camera Calibration with known Rotation", International Conference Computer Vision 2003, Nice , France, Oct. 2003, (acceptance rate 20%)

Jan-Michael Frahm, Jan-Friso Evers-Senne, and Reinhard Koch,
"Distributed Interaction Processing and Visualization of 3D Scenes in Realtime", 3rd, International Symposium on Image and Signal Processing and Analysis, Rome, Italy, Sept. 2003

Jan-Michael Frahm and Reinhard Koch, "Robust Camera Calibration from Images and Rotation Data", DAGM 2003, Magdeburg,  Germany, Sept. 2003

2002

Evers Senne, J.F., Frahm, J.M., Woelk, F., Woetzel, J., Koch, R., "Distributed Realtime Interaction and Visualisation System", 7th International Workshop on Vision, Modeling and Visualization (VMV 2002), Erlangen, Germany, Nov. 2002

Koch, R., Frahm, J.M., Evers Senne, J.F., Woetzel, J., "Plenoptic Modeling of 3D scenes with a Sensor-augmented Multi-Camera Rig", 2002 Tyrrhenian International Workshop on Digital Communication (IWDC 2002), Capri, Italy, Sept. 2002

J.-M. Frahm, J.-F. Evers-Senne, and R. Koch, "Network Protocol for Interaction and Scalable Distributed Visualization", 1st International Symposium on 3D Data Processing Visualization Transmission, Padova, Italy, June 2002

2001

  Reinhard Koch and Jan-Michael Frahm "Visual-Geometric Scene Reconstruction from Image Streams" 6th International Workshop on Vision, Modeling and Visualization (VMV 2001), Germany, 2001

Reinhard Koch and Jan-Michael Frahm Tutorial: "Visual-Geometric 3D-Scene Reconstruction from Uncalibrated Image Sequences" DAGM 2001, Munich,  Germany

2000

C. Mayntz, T Aach,  D.Kunz and J-M. Frahm, "Motion blur in fluoroscopy: effects, identification, and restoration", SPIE's Medical Imaging 2000, San Diego, CA

C Mayntz, J-M. Frahm, T Aach,  and D.Kunz, "Beschleunigung und Bewertung blockbasierter Bewegungsschätzmethoden für die Röntgenfluoroskopie" DAGM 2000, Kiel, Germany