1 Center for Machine Perception Belongs to: Czech Technical University in Prague Faculty of Electrical Engineering Department of Cybernetics (head Prof. Vladimír Mařík) Head: Prof. Václav Hlaváč

2 Group outline and interests University research group established as a computer vision lab in Computer vision, pattern recognition, mathematics of uncertainty 26 staff members (2 profs., 2 assoc. profs., 6 assist. profs., 13 researchers, 3 support staff) 10 full time PhD students, 15 MSc student theses in progress. Omni Stereo Reconstruction Recognition Tracking Medical

3 EU IST funded projects  DIPLECS (T. Werner),  Dirac (T. Pajdla),  e-Trims (R. Šára),  VISIONTRAIN (V. Hlaváč), Marie-Curie RTN  WARTHE (V. Hlaváč), Marie-Curie RTN.  Past projects: COSPAL (V. Hlaváč, cognitive learning), PRINCESS (V. Hlaváč, structural pattern recognition, paid by INTAS), ActIPret (V. Hlaváč, human action interpretation), BeNoGo, OMNNIVIEWS (T. Pajdla, omnidirectional vision), ISAAC (V. Hlaváč) Image Analysis for Sewer Inspection)

4 Nationally funded 3D reconstruction (R. Šára) Multicamera human tracking (T. Svoboda) Registration in medical imaging (J. Kybic) Industry : Samsung, Korea (face verification technology) Bosch, Germany (3D reconstruction) Boeing, USA (object recognition) Honeywell, USA(video analysis) Volkswagen A.G., Germany (vision in a smart car) Czech Air Force,(vision for autonomous aerial vehicle) Toyota Motor Company, Japan (vision in a smart car) Hitachi Central Research Lab, Japan (human faces) Neovision, Czech Rep. (quality inspection & control), Czech Rep. (road traffic monitoring) National and industrial projects

5 Academic research interests  Geometry of 3D vision (T. Pajdla)  Correspondence problem, stereo (R. Šára)  Statistical and structural pattern recognition (V. Hlaváč, J. Matas)  Optimization on MRFs (T. Werner)  Object recognition in images, face detection (J. Matas)  Mathematics of uncertainty (M. Navara, P. Pták)  Multicamera systems (T. Svoboda)  Registration in medical images (J. Kybic)

6 Omnidirectional vision and mosaicing

7 Omni image-based rendering Circular motion

8 Omni-based rendering, an example Video, click on it.

9 Image matching and recognition

10 One way sign detection Video, click on it.

11 Stereo & Reconstruction Video, click on it.

12 3D reconstruction from images 3D recontruction from unorganized image set input dataresult VRML demo Video, click on it.

13 Model-based detection and tracking of humans in video Video, click on it.

14 Model-based detection and tracking of humans in video Video, click on it.

15 Deformable surface matching as Markov Random Field optimization  Given two images, estimate a mapping from one image to another providing best visual alignment.  We apply discrete approximation over large search space. Video, click on it.

16 Multicamera tracking Video, click on it.

17 Medical Imaging deformation map } elastic registration of cervical uterus images Image registration Parallel MRI reconstruction Object detection in ultrasound signal MEG/EEG reconstruction

18 Medical Imaging

19 Airborne surveillance Cooperation with Czech Airforce R&D unit Unmanned aerial vehicle The aim is the detection of moving vehicles on a ground (speed km/h) Compensation for own UAV motion necessary

20 UAV, tracked vehicles Red and blue blobs point to moving vehicles. Two colors allow to distinguish the movement direction. Video, click on it.

21 Tracking, stabilization Video, click on it.

22 Tracking, stabilization 2 Video, click on it.

23 Stabilized camera head  Developed on the Czech Air Force demand of from 2006 to  Two CTU teams: Dept. of Cybernetics and Dept. of Control Engineering.  Two feedbacks: the fast one dumps vibrations of the UAV, the slow one tracks the target.

24 Stabilized camera head, test Video, click on it.

25 Sputnik tracker  Tracking with a companion.  Finds the companion automatically.  Does not loose tracks when the template is not visible. Video, click on it.

26 Neovision s.r.o. Spin-off company Founded in employees Transfer from CMP to industry Customers AVX Czech Republic s.r.o. Czech Republic Tantalum capacitors Texas Instruments, Inc. USA Preciosa a.s. Czech Republic Siemes VDO Frenštát p. Radhoštěm quality control & precise measurement by image processing

27  Founded in 2006, 4 staff,  Commercializes results of J. Matas’s group.  Main applications in traffic surveillance.