An object-oriented approach using a top-down and bottom-up process for manipulative action recognition

Li Z, Fritsch J, Wachsmuth S, Sagerer G (2006)
In: Pattern Recognition, Proceedings. Lecture Notes in Computer Science, 4174, . Berlin: Springer-Verlag: 212-221.

Conference Paper | Published | English

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Abstract
Different from many gesture-based human-robot interaction applications, which focused on the recognition of the interactional or the pointing gestures, this paper proposes a vision-based method for manipulative gesture recognition aiming to achieve natural, proactive, and non-intrusive interaction between humans and robots. The main contributions of the paper are an object-centered scheme for the segmentation and characterization of hand trajectory information, the use of particle filtering methods for an action primitive spotting, and the tight coupling of bottom-up and top-down processing that realizes a task-driven attention filter for low-level recognition steps. In contrast to purely trajectory based techniques, the presented approach is called object-oriented w.r.t. two different aspects: it is object-centered in terms of trajectory features that are defined relative to an object, and it uses object-specific models for action primitives. The system has a two-layer structure recognizing both the HMM-modeled manipulative primitives and the underlying task characterized by the manipulative primitive sequence. The proposed top-down and bottom-up mechanism between the two layers decreases the image processing load and improves the recognition rate.
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Li Z, Fritsch J, Wachsmuth S, Sagerer G. An object-oriented approach using a top-down and bottom-up process for manipulative action recognition. In: Pattern Recognition, Proceedings. Lecture Notes in Computer Science, 4174. Berlin: Springer-Verlag; 2006: 212-221.
Li, Z., Fritsch, J., Wachsmuth, S., & Sagerer, G. (2006). An object-oriented approach using a top-down and bottom-up process for manipulative action recognition. Pattern Recognition, Proceedings, 212-221.
Li, Z., Fritsch, J., Wachsmuth, S., and Sagerer, G. (2006). “An object-oriented approach using a top-down and bottom-up process for manipulative action recognition” in Pattern Recognition, Proceedings Lecture Notes in Computer Science, 4174 (Berlin: Springer-Verlag), 212-221.
Li, Z., et al., 2006. An object-oriented approach using a top-down and bottom-up process for manipulative action recognition. In Pattern Recognition, Proceedings. Lecture Notes in Computer Science, 4174. Berlin: Springer-Verlag, pp. 212-221.
Z. Li, et al., “An object-oriented approach using a top-down and bottom-up process for manipulative action recognition”, Pattern Recognition, Proceedings, Lecture Notes in Computer Science, 4174, Berlin: Springer-Verlag, 2006, pp.212-221.
Li, Z., Fritsch, J., Wachsmuth, S., Sagerer, G.: An object-oriented approach using a top-down and bottom-up process for manipulative action recognition. Pattern Recognition, Proceedings. Lecture Notes in Computer Science, 4174. p. 212-221. Springer-Verlag, Berlin (2006).
Li, Zhe, Fritsch, Jannik, Wachsmuth, Sven, and Sagerer, Gerhard. “An object-oriented approach using a top-down and bottom-up process for manipulative action recognition”. Pattern Recognition, Proceedings. Berlin: Springer-Verlag, 2006. Lecture Notes in Computer Science, 4174. 212-221.
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