We present a robust algorithm for point tracking on deformable objects. The key elements are the use of orientation selective rank features (ranklets), local filter adaptation and dynamic model update. A multi-scale vector of ranklets is used to encode a neighbourhood of each tracked point. The shape of the filters is optimised for each neighbourhood independently. Substantial appearance variations are catered for by maintaining a stack of models for each tracked point. This enables the system to recalibrate whenever the object reverts to its original appearance.
Tracking points on deformable objects with ranklets
IEEE International Conference on Image Processing 2005 ; 3 ; III-121
2005-01-01
148086 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Tracking Points on Deformable Objects with Ranklets
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