Štěpán Obdržálek

The Center for Machine Perception
Department of Cybernetics
Faculty of Electrical Engineering
Czech Technical University, Prague
Karlovo namesti 13, 121 35 Praha 2, Czech Republic

E-mail: stepan.obdrzalek@gmail.com

 

Qualifications:
2013-present

Traveling and volunteering through Asia and Australia

2010-2012

Research fellow at the Tele-immersion lab,
Dept. of Electrical Engineering and Computer Science,
University of California, Berkeley, USA
Field of interest: Human pose estimation, computer-assisted coaching of elderly

2004-2010

Research fellow at the Center for Machine Perception,
Faculty of Electrical Engineering,
Czech Technical University in Prague
Research in cooperation with Toyota Motors Europe
Field of interest: Intelligent vehicles, object recognition, motion detection and segmentation, egomotion estimation

2000-2004

Full time Ph.D. student at the Center of Machine Perception,
Faculty of Electrical Engineering,
Czech Technical University in Prague
Field of study: Object recognition, computer vision
PhD Thesis: Object Recognition Using Local Affine Frames

1993-2000

Master degree at Department of Computer Science,
Faculty of Electrical Engineering,
Czech Technical University in Prague
Field of study
: Computer science, computer graphics and computer vision
Diploma thesis: Compensation of illumination effects on facial appearance using a 3D model

Awards:
Česká hlava 2006 doctorandus: national prize for best doctorate of 2006

Best Science Paper Award on British Machine Vision Conference 2005, for paper 
Štěpán Obdržálek and Jiří Matas: Sub-linear Indexing for Large Scale Object Recognition

Participation in team winnig 2nd place in ICCV05 Computer Vision Contest Where Am I?
Selected publications:
2005 Štěpán Obdržálek and Jiří Matas:
Sub-linear Indexing for Large Scale Object Recognition
Best science paper award on British Machine Vision Conference 2005
2006 Štěpán Obdržálek and Jiří Matas: 
Object Recognition using Local Affine Frames on Maximally Stable Extremal Regions

invited chapter in Jean Ponce et al., editors: Toward Category-Level Object Recognition
2007 Štěpán Obdržálek:
Object Recognition Using Local Affine Frames
PhD thesis, Czech Technical University
2008 Štěpán Obdržálek, Michal Perd'och and Jiří Matas:
Dense Linear Time Correspondences for Tracking
Workshop on Visual Localization for Mobile Platforms, CVPR 2008, Anchorage, Alaska
(A correspondence search method based on hashing of low-dimensional local image descriptors.
Constant time and memory complexity for a fixed image size. Real time CPU implementation, highly paralellisable for SIMDs (GPU))
"I found this a fascinating paper, presenting a very original take on the familiar matching problem." --- Anonymous reviewer
2010 Štěpán Obdržálek and Jiří Matas:
A Voting Strategy for Visual Ego-Motion from Stereo
IEEE Intelligent Vehicles Symposium, San Diego, California, June 2010
(Hough transform based estimation of stereo camera motion.
Explicitly considers triangulation uncertainty and precission decreasing with distance)
2012 Štěpán Obdržálek, Gregorij Kurillo, Ferda Ofli, Ruzena Bajcsy, Edmund Seto, Holly Jimison and Michael Pavel:
Accuracy and Robustness of Kinect Pose Estimation in the Context of Coaching of Elderly Population
EMBC, 34th International Conference of the IEEE Engineering in Medicine and Biology Society, San Diego, California, August 2012
(Qualitative comparison of human poses (skeletons) from Kinect and from PhaseSpace motion capture system that uses active LED markers)
"Excellent work of high clinical potential." --- Anonymous reviewer

remaining publications can be found at http://cmp.felk.cvut.cz/biblio/publicat/, entering 'obdrzalek' into the 'Author' field
Research fellowships:
July – September 1999,
February – March 2000
Image Science group, Department of Electrotechnics, 
Swiss Federal Institute of Technology (Eidgenossische Technische Hochschule - ETH), 
Zürich, Switzerland
January – July 2002 Centre for Vision, Speech, and Signal Processing
School of Electronics and Physical Sciences, 
University of Surrey, Guildford, United Kingdom 
In Erasmus Student Exchange Program
Personal:
Photogallery

 

18.06.2010