743 research outputs found
Development of an intelligent object for grasp and manipulation research
Kõiva R, Haschke R, Ritter H. Development of an intelligent object for grasp and manipulation research. Presented at the ICAR 2011, Tallinn, Estonia.In this paper we introduce a novel device, called iObject, which is equipped with tactile and motion tracking sensors that allow for the evaluation of human and robot grasping and manipulation actions. Contact location and contact force, object acceleration in space (6D) and orientation relative to the earth (3D magnetometer) are measured and transmitted wirelessly over a Bluetooth connection. By allowing human-human, human-robot and robot-robot comparisons to be made, iObject is a versatile tool for studying manual interaction.
To demonstrate the efficiency and flexibility of iObject for the study of bimanual interactions, we report on a physiological experiment and evaluate the main parameters of the considered dual-handed manipulation task
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A Three-Level Model of Comparative Visual Search
In the experiments of comparative visual search reported here, each half of a display contains simple geometrical objects of three different colors and forms. The two hemifields are identical except for one mismatch either in color or form. The subject's task is to find this difference. Eye-movement recording yields insight into the interaction of mental processes involved in the completion of this demanding task. We present a hierarchical model of comparative visual search and its implementation as a computer simulation. The evaluation of simulation data shows that this Three-Level Model is able to explain about 9 8 % of the empirical data collected in six different experiments
Two-fingered, tactile-based manipulation of unknown objects
Li Q, Haschke R, Ritter H. Two-fingered, tactile-based manipulation of unknown objects. Presented at the RSS2013-WS: Sensitive Robotics, Berlin, Germany
Perceptual Grouping through Competition in Coupled Oscillator Networks
Meier M, Haschke R, Ritter H. Perceptual Grouping through Competition in Coupled Oscillator Networks. In: European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN). Bruges (Belgium): d-side; 2013.In this paper we present a novel approach to model perceptual grouping based on phase and frequency synchronization in a network of coupled Kuramoto oscillators. Transferring the grouping concept from the Competitive Layer Model (CLM) to a network of Kuramoto oscillators, we preserve the excellent grouping capabilities of the CLM, while dramatically improving the convergence rate, robustness to noise, and computational performance, which is verified in a series of artificial grouping experiments
Grasp Point Optimization for Unknown Object Manipulation in Hand Task
Li Q, Haschke R, Bolder B, Ritter H. Grasp Point Optimization for Unknown Object Manipulation in Hand Task. Presented at the IEEE/RSJ International Conference on Intelligent Robots and Systems, Portugal
Hierarchical Bayesian Modeling of Manipulation Sequences from Bimodal Input
Barchunova A, Moringen J, Haschke R, Ritter H. Hierarchical Bayesian Modeling of Manipulation Sequences from Bimodal Input. Presented at the Proceedings of the 11th International Conference on Cognitive Modeling, Berlin
Grasp Point Optimization by Online Exploration of Unknown Object Surface
Li Q, Haschke R, Bolder B, Ritter H. Grasp Point Optimization by Online Exploration of Unknown Object Surface. Presented at the IEEE-RAS International Conference on Humanoid Robots, Osaka
Deep Learning for Action Recognition in Augmented Reality Assistance Systems
Schröder M, Ritter H. Deep Learning for Action Recognition in Augmented Reality Assistance Systems. In: ACM SIGGRAPH 2017 Posters. 2017: 75:1-75:2
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