Radek Grzeszczuk

Research Team Lead
Spatial Technologies

Background

Radek Grzeszczuk is a Research Team Leader heading the Spatial Technologies group at Nokia Research Center in Palo Alto. He joined NRC Palo Alto in 2006 as a Principal Researcher. His research focuses on mobile augmented reality, visual search and large-scale urban 3D modeling. Prior to joining Nokia Corp, he was a Senior Researcher in the Architecture Research Lab at Intel Corp. where he worked on analysis and visualization of large image data sets. He also worked on parallel algorithms and performance analysis of applications in image processing, physical simulation, optimization, and machine learning. He received his MS (1994) and PhD (1998) degrees from University of Toronto.

Professional Activities

Associate Editor: ACM Transactions on Graphics, since 2003
Member of Program Committee: Pacific Conference on Computer Graphics and Applications, Web3D Symposium, IEEE Conference on Computer Vision and Pattern Recognition, IEEE International Conference on Computer Vision, European Conference on Computer Vision, IEEE and ACM International Symposium on Mixed and Augmented Reality
Journal Reviewing: ACM SIGGRAPH, ACM Transactions on Graphics, International Journal on Computer Vision, IEEE Computer Graphics and Applications, Graphical Models Journal, International Journal of Image and Graphics, Computer Vision and Image Understanding, IEEE Transactions on Circuits and Systems
Conference Reviewing: ACM SIGGRAPH, Pacific Conference on Computer Graphics and Applications, IEEE Visualization, IEEE Conference on Computer Vision and Pattern Recognition, IEEE International Conference on Computer Vision, European Conference on Computer Vision, IEEE and ACM International Symposium on Mixed and Augmented Reality

Publications

Research Databases

San Francisco Landmark Dataset

Refereed Journal Papers

B. Girod, V. Chandrasekhar, R. Grzeszczuk, Y. Reznik, Mobile Visual Search: Architectures, Technologies, and Emerging MPEG Standard, IEEE Multimedia, to appear.
B. Girod, V. Chandrasekhar, D. M. Chen, N-M. Cheung, R. Grzeszczuk, Y. Reznik, G. Takacs, S. S. Tsai, R. Vedantham, Mobile Visual Search, IEEE Signal Processing Magazine, to appear.
G.Baatz, K. Koeser, D. Chen, R. Grzeszczuk, M. Pollefeys, Leveraging 3D City Models for Rotation Invariant Place-of-Interest Recognition, International Journal on Computer Vision, accepted for publication (8/2011).
V. Chandrasekhar, G. Takacs, D. M. Chen, S. S. Tsai, Y. Reznik, R. Grzeszczuk, B. Girod, Compressed Histogram of Gradients: A Low Bitrate Descriptor, International Journal on Computer Vision, accepted for publication (8/2011).
H. Hile, R. Grzeszczuk, A. Liu, R. Vedantham, J. Kosecka, G. Borriello, Visual Navigation for Mobile Devices, IEEE MultiMedia, 20 Jan. 2010.
K. E. Hillesland, S. Molinov, R. Grzeszczuk. Nonlinear Optimization Framework for Image-Based Modeling on Programmable Graphics Hardware, ACM Transactions on Graphics, 22(3), pp. 925-934, 2003, (Proceedings of ACM SIGGRAPH 03).
W-C. Chen, J-Y. Bouguet, M. H. Chu, R. Grzeszczuk. Light Field Mapping: Efficient Representation and Hardware Rendering of Surface Light Fields. ACM Transactions on Graphics}, 21(3), pp. 447-456, 2002, (Proceedings of ACM SIGGRAPH 02).
R. Grzeszczuk, D. Terzopoulos, G. Hinton. NeuroAnimator: Fast Neural Network Emulation and Control of Physics-Based Models, Proceedings of ACM SIGGRAPH 98, Computer Graphics Proceedings, Annual Conference Series, pp. 9-20, 1998.
S. J. Gortler, R. Grzeszczuk, R. Szeliski, M. F. Cohen. The Lumigraph, Proceedings of ACM SIGGRAPH 96, Computer Graphics Proceedings, Annual Conference Series, pp. 43-54, 1996.
R. Grzeszczuk, D. Terzopoulos. Automated Learning of Muscle-Actuated Locomotion Through Control Abstraction, Proceedings of ACM SIGGRAPH 95, Computer Graphics Proceedings, Annual Conference Series, pp. 63-70, 1995.
D. Terzopoulos, X. Tu, R. Grzeszczuk. Artificial Fishes: Autonomous Locomotion, Perception, Behavior, and Learning in a Simulated Physical World, Artificial Life, 1, 4, December, 1994, pp. 327-351.

Refereed Conference Papers

D. M. Chen, G.Baatz, K. Koeser, S. S. Tsai, R. Vedantham, T. Pylvanainen, K. Poimela, X. Chen, J. Bach, M. Pollefeys, B. Girod, R. Grzeszczuk, City-Scale Landmark Identification on Mobile Devices, IEEE Conference on Computer Vision and Pattern Recognition (CVPR 2011), 2011.
S. S. Tsai, H. Chen, D. M. Chen, G. Schroth, R. Grzeszczuk, B. Girod, Mobile Visual Search on Printed Documents using Text and Low Bit-Rate Features, IEEE International Conference on Image Processing (ICIP), 2011.
H. Chen, S. S. Tsai, G. Schroth, D. M. Chen, R. Grzeszczuk, B. Girod, Robust Text Detection in Natural Images with Edge-enhanced Maximally Stable Extremal Regions, IEEE International Conference on Image Processing (ICIP), 2011.
V. Chandrasekhar, D. M. Chen, S. S. Tsai, N.-M. Cheung, H. Chen, G. Takacs, Y. Reznik, R. Vedantham, R. Grzeszczuk, J. Bach, and B. Girod, The Stanford Mobile Visual Search Dataset, ACM Multimedia Systems Conference (ACM MMSys), San Jose, California, February 2011. Accepted.
S. S. Tsai, D. M. Chen, V. Chandrasekhar, G. Takacs, N.-M. Cheung, R. Vedantham, R. Grzeszczuk, and B. Girod, Mobile Product Recognition, ACM Multimedia (ACM MM), Florence, Italy, October 2010.
V. Chandrasekhar, Sam Tsai, G. Takacs, D. M. Chen, N.-M. Cheung, Yuriy Reznik, R. Vedantham, R. Grzeszczuk, and B. Girod, Low Latency Image Retrieval with Progressive Transmission of CHoG Descriptors, ACM Multimedia (ACM MM), Florence, Italy, October 2010.
S. S. Tsai, D. Chen, G. Takacs, V. Chandrasekhar, R. Vedantham, R. Grzeszczuk, and B. Girod, Fast Geometric Re-ranking for Image-based Retrieval,IEEE International Conference on Image Processing (ICIP), Hong Kong, September 2010.
D. Chen, N.-M. Cheung, S. S. Tsai, V. Chandrasekhar, G. Takacs, R. Vedantham, R. Grzeszczuk, and B. Girod, Dynamic Selection of a Feature-Rich Query Frame for Mobile Video Retrieval, IEEE International Conference on Image Processing (ICIP), Hong Kong, September 2010.
V. Chandrasekhar, D. M. Chen, A. L. Lin, G. Takacs, S. S. Tsai, N.-M. Cheung, Y. Reznik, R. Grzeszczuk, and B. Girod, Comparison of Local Feature Descriptors for Mobile Visual Search, IEEE International Conference on Image Processing (ICIP), Hong Kong, September 2010.
V. Chandrasekhar, M. Makar, G. Takacs, D. M. Chen, S. S. Tsai, R. Grzeszczuk and B. Girod, Survey of SIFT Compression Schemes, Proc. of International Conference on Pattern Recognition (ICPR), Istanbul, Turkey, August 2010.
G. Takacs, V. Chandrasekhar, H. Chen, D. Chen, S. Tsai, R. Grzeszczuk, and B. Girod, Permutable Descriptors for Orientation-invariant Image Matching,SPIE Workshop on Applications of Digital Image Processing (ADIP), San Diego, California, August 2010.
V. Chandrasekhar, Y. Reznik, G. Takacs, D. M. Chen, S. S. Tsai, R. Grzeszczuk, and B. Girod, Quantization Schemes for Low Bitrate Compressed Histogram of Gradients Descriptors, IEEE International Workshop on Mobile Vision (in conjunction with CVPR 2010), California, June 2010.
G. Takacs, V. Chandrasekhar, D. M. Chen, S. S. Tsai, R. Grzeszczuk, and B. Girod, Unified Real-time Tracking and Recognition with Rotation Invariant Fast Features, IEEE Conference on Computer Vision and Pattern Recognition (CVPR 2010), California, June 2010.
T. Pylvanainen, K. Roimela, R. Vedantham, J. Itaranta, R. Wang, R. Grzeszczuk, Automatic Alignment and Multi-View Segmentation of Street View Data using 3D Shape Priors, Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), Paris, France, May 2010.
D. M. Chen, S. S. Tsai, V. Chandrasekhar, G. Takacs, R. Vedantham, R. Grzeszczuk, and B. Girod, Inverted Index Compression for Scalable Image Matching, in Proceedings of Data Compression Conference (DCC), Snowbird, Utah, March 2010.
R. Grzeszczuk, J. Kosecka, R. Vedantham, H. Hile, Creating Compact Architectural Models by Geo-registering Image Collections, The 2009 IEEE International Workshop on 3D Digital Imaging and Modeling (3DIM 2009)
D. M. Chen, S. S. Tsai, R. Vedantham, R. Grzeszczuk, and B. Girod, Streaming Mobile Augmented Reality on Mobile Phones. In Proceedings of the 2009 8th IEEE international Symposium on Mixed and Augmented Reality. (ISMAR 2009).
V. Chandrasekhar, D. Chen, Z. Li, G. Takacs, S. S. Tsai, R. Grzeszczuk, B. Girod, Low-Rate Image Retrieval with Tree Histogram Coding, 5th International Mobile Multimedia Communications Conference (MobiMedia 2009)
V. Chandrasekhar, G. Takacs, D. Chen, S. S. Tsai, R. Grzeszczuk, B. Girod, CHoG: Compressed Histogram of Gradients: A Low Bit-Rate Feature Descriptor, IEEE Conf. on Computer Vision and Pattern Recognition (CVPR09) (oral presentation)
H. Hile, R. Grzeszczuk A. Liu, R. Vedantham, J. Kosecka, G. Borriello, Landmark-based Pedestrian navigation with Enhanced Spatial Reasoning, Seventh International Conference on Pervasive Computing 2009, Pervasive 2009.
K. Pulli, W-C. Chen, N. Gelfand, R. Grzeszczuk, M. Tico, R. Vedantham, X. Wang, Y. Xiong, Mobile Visual Computing, ISUVR, pp.3-6, 2009 International Symposium on Ubiquitous Virtual Reality, 2009
H. Hile, R. Vedantham, A. Liu, N. Gelfand, G. Cuellar, R. Grzeszczuk, G. Borriello, Landmark-Based Pedestrian Navigation from Collections of Geotagged Photos, Mobile Ubiquitous Multimedia (MUM09), ACM international conference. (best student paper award), Dec 2008.
G. Takacs, V. Chandrasekhar, N. Gelfand, Y. Xiong, W-C. Chen, T. Bismpigiannis, R. Grzeszczuk, K. Pulli, B. Girod. Outdoors Augmented Reality on Mobile Phone using Loxel-based Visual Feature Organization. In Proceeding of the 1st ACM International Conference on Multimedia Information Retrieval, MIR '08, pp. 427-434, 2008.
G. Takacs, V. Chandrasekhar, B. Girod, R. Grzeszczuk. Feature Tracking for Mobile Augmented Reality Using Video Coder Motion Vectors, 6th IEEE and ACM International Symposium on Mixed and Augmented Reality, 2007, ISMAR 2007, pp.141-144, 13-16 Nov. 2007
C. J. Hughes, R. Grzeszczuk, E. Sifakis, D. Kim, S. Kumar, A. P. Selle, J. Chhugani, M. Holliman, Y. Chen. Physical Simulation for Animation and Visual Effects: Parallelization and Characterization for Chip Multiprocessors, ISCA '07: Proceedings of the 34th Annual International Symposium on Computer Architecture, pp. 220-231, 2007.
G. Coombe, C. Hantak, R. Grzeszczuk, A. Lastra. Online Construction of Surface Light Fields, Proceedings of Eurographics Symposium on Rendering, 2005.
P. Koka, T. Suh, R. Grzeszczuk, M. Smelyanskiy, C. Dulong. Construction and Performance Characterization of Parallel Interior Point Solver on 4-way Intel Itanium Multiprocessor System. Proceedings of IEEE 7th Annual Workshop on Workload Characterization, 2004.
D. Vlasic, H. Pfister, S. Molinov, R. Grzeszczuk, W. Matusik. Opacity Light Fields: Interactive Rendering of Surface Light Fields with View-Dependent Opacity, ACM Symposium on Interactive 3D Graphics (I3D), pp. 65-74, April 2003 (ACM Press)
S. B. Gokturk, J-Y Bouguet, R. Grzeszczuk. A Data-Driven Model for Monocular Face Tracking, Proceedings of IEEE International
Conference on Computer Vision, ICCV 2001, vol. 2, pp. 701-708, 2001.
A. Nefian, R. Grzeszczuk, V. Erouhimov, G. Bradski. Statistical Model of the Upper Body for 3D Static and Dynamic Gesture Recognition
from Stereo Images, Proceedings of IEEE International Conference on Image Processing, ICIP 2001, vol3, pp. 286-289, 2001.
R. Grzeszczuk, G. Bradski, M. H. Chu, J-Y Bouguet. Stereo-Based Gesture Recognition Invariant to 3D Pose and Lighting, in Proceedings of IEEE Computer Vision and Pattern Recognition, Hilton Head, South Carolina, 2000, pp. I:826-833.
D. Terzopoulos, T. Rabie, R. Grzeszczuk. Perception and Learning in Artificial Animals, Artificial Life V: Proc. Fifth International Conference on the Synthesis and Simulation of Living Systems, Nara, Japan, May, 1996, pp. 313-320.
D.Terzopoulos, X. Tu, R. Grzeszczuk. Artificial Fishes with Autonomous Locomotion, Perception, Behavior, and Learning in a Simulated Physical World, Artificial Life IV: Proc. Fourth International Workshop on the Synthesis and Simulation of Living Systems, Cambridge, MA, July, 1994, 17-27 (plus 3 color plates).
R. Grzeszczuk, D. Terzopoulos, G. Hinton. Fast Neural Network Emulation of Dynamical Systems for Computer Animation, in Advances in Neural Information Processing Systems: Proceedings of the 1998 Conference (NIPS11), MIT Press, pp. 882-888.
R. Grzeszczuk, D. Terzopoulos. Automated Learning of Muscle-Actuated Locomotion through Control Abstraction, Proceedings of Seventh Western Computer Graphics Conference, Panorama, BC, Canada, March, 1996, pp. 61-68.
R. Grzeszczuk, D. Terzopoulos, G. Hinton. Learning Fast Neural Network Emulators for Physics-Based Models. (Technical sketch) Proceedings of ACM SIGGRAPH 97 Conference, Los Angeles, CA, August, 1997, in Computer Graphics Visual Proceedings, Annual Conference Series, 1997, p. 167.

Patents

Method and Apparatus for Representing and Identifying Feature Descriptions Utilizing a Compressed Histogram Of Gradients, R. Grzeszczuk, B. Girod, V. Chandrasekhar, G. Takacs, patent application filed Sept 2010
Method, Apparatus and Computer Program Product for Providing a Visual Search Interface, N. Gelfand, R. Grzeszczuk, W.-C. Chen, Y. Xiong, patent application filed March 2009
Method, Apparatus and Computer Program Product for Performing a Visual Search Using Grid-Based Feature Organization, X. Wang, J. Gao, K. Pulli, M. Jacob, N. Gelfand, R. Grzeszczuk, W.-C. Chen, Y. Xiong, P. Schloter, patent application filed March 2009
Method, Device, Mobile Terminal, and Computer Program Product for a Point of Interest Based Scheme for Improving Mobile Visual Searching Functionalities, S. Chitturi, R. Vedantham, P. Schloter, J. Gao, K. Pulli, N. Gelfand, R. Grzeszczuk, W.-C. Chen, M. Kahari, D. Murphy, R. Vatanparast, Yingen Xiong, patent application filed October 2008.
Accelerated Visualization of Surface Light Fields, R. Grzeszczuk, J-Y. Bouguet, W-C. Chen, US patent 6,906,714, June 14, 2005.
System and Method for Gesture Recognition in Three Dimensions using Stereo Imaging and Color Vision, R. Grzeszczuk, J-Y. Bouguet, M. Chu, G. Bradski, US patent 6,788,809, 2005.
Compression of Surface Light Fields, R. Grzeszczuk, J-Y. Bouguet, W-C. Chen, US patent application filed January 9, 2001.
Statistical Model-based System for 3D Gesture Recognition using Stereo Images, A. Nefian, R. Grzeszczuk, V. Erouhimov, G. Bradski, US patent application filed April, 2001
Determining a Vantage Point of an Image, R. Grzeszczuk, US patent 6,028,955, February 22, 2000.