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2 Computer Vision Labs. Prof. Luc Van Gool ETH - Switzerland Un. Leuven – Belgium appr. 15 researchers appr. 15 researchers Tracking Recognition Recognition Passive 3D Active 3D Hum.-comp. interact.
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2 Computer Vision Labs Prof. Luc Van Gool ETH - SwitzerlandUn. Leuven – Belgium appr. 15 researchers appr. 15 researchers Tracking Recognition Recognition Passive 3D Active 3D Hum.-comp. interact.
An overview of some vision trends • scene reconstruction • recognition • tracking
Scene reconstruction • 3D acquisition with off-the-shelf HW • 4D capture: dynamic 3D • Realistic texture synthesis • City modelling • Intuitive visualisation
3D acquisition One-shot ShapeCam
4D acquisition 3D snapshots in fast succession
Realistic texturing Stochastic & hierarchical texture models Viewpoint/illumination dependent texture Minidome: portable photometric stereo
Realistic texture Given examples Synthetic textures IKT
AUTOMATIC Realistic texture
Object recognition • Independent of viewpoint • Irrespective of occlusion • In the presence of scene clutter • Under variable illumination • Robust against deformations Latest techniques based on `invariant regions’
The ellipses show invariant regions, they cover the same part of the scene Object recognition The crux is that they were found independently
Searching for the van in `groundhog day’ Object recognition • Example application: automatic annotation of video data • E.g. finding same object somewhere else in a complete movie
Automatic retrievalof all scenes with the van based onthe example image
Object recognition • Next challenge: categorisation • i.e. not recognising particular objects, but rather the class an object belongs to, e.g. a car, a person, etc. This is more difficult, because of the Intra-class variability…
Object recognition • Next challenge: categorisation
Finding people • Security / surveillance / annotation e.g. pedestrian detector
Tracking • Robust blob tracking – anti-drift • Body pose tracking • Detailed hand tracking • Action recognition • Gait analysis
HandyMouse project Skin color Detection, Tracking, and Gesture analysis For Minority Report style interaction
Spin-offs / start-ups ICOS Eyetronics GeoAutomation eSaturnus Kooaba Procedural