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Citació: Aksoy , E. [et al.]. Categorizing object-actions relations from semantic scene graphs. A: IEEE International Conference on Robotics and Automation. "2010 IEEE International Conference on Robotics and Automation". Anchorage: 2010, p. 398-405.
Títol: Categorizing object-actions relations from semantic scene graphs
Autor: Aksoy, Eren Erdal; Abramov, Alexey; Wörgötter, Florentin; Dellen, Babette Veure Producció científica UPC
Data: 2010
Tipus de document: Conference report
Resum: In this work we introduce a novel approach for detecting spatiotemporal object-action relations, leading to both, action recognition and object categorization. Semantic scene graphs are extracted from image sequences and used to find the characteristic main graphs of the action sequence via an exact graph-matching technique, thus providing an event table of the action scene, which allows extracting objectaction relations. The method is applied to several artificial and real action scenes containing limited context. The central novelty of this approach is that it is model free and needs a priori representation neither for objects nor actions. Essentially actions are recognized without requiring prior object knowledge and objects are categorized solely based on their exhibited role within an action sequence. Thus, this approach is grounded in the affordance principle, which has recently attracted much attention in robotics and provides a way forward for trial and error learning of object-action relations through repeated experimentation. It may therefore be useful for recognition and categorization tasks for example in imitation learning in developmental and cognitive robotics.
URI: http://hdl.handle.net/2117/10367
DOI: 10.1109/ROBOT.2010.5509319
Versió de l'editor: http://dx.doi.org/10.1109/ROBOT.2010.5509319
Apareix a les col·leccions:Institut de Robòtica i Informàtica Industrial, CSIC-UPC. Ponències/Comunicacions de congressos
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