منابع مشابه
Event-based Visual Servoing
Traditional visual servoing systems have been widely studied in the last years. These systems control the position of the camera attached to the robot end-effector guiding it from any position to the desired one. These controllers can be improved by using the event-based control paradigm. The system proposed in this paper is based on the idea of activating the visual controller only when someth...
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Small movements of a viewer relative to the surrounding scene induce deformations in the shape and detail of the projected image. This paper will consider the problem of using these deformations to provide visual feedback on the current position of the viewer relative to the scene. The implementation calculates the transformations that occur due to small movements around the current position. I...
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In this paper, the problem of estimating the partial camera displacement from two images of a static object is studied. This scaled displacement is used to design a new vision-based control scheme, called 2D 1/2 visual servoing. It must be emphasized that motion and structure can be estimated without the a priori knowledge of a 3D model of the object, which increases the versatility and the app...
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Event-based visual servoing is a recently presented approach that performs the positioning of a robot using visual information only when it is required. From the basis of the classical image-based visual servoing control law, the scheme proposed in this paper can reduce the processing time at each loop iteration in some specific conditions. The proposed control method enters in action when an e...
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This paper deals with the way to achieve positioning tasks by visual servoing in the case of planar and motionless objects whose shape is unknown. In fact, we consider here complex objects like those one can encount in the agrifood industry. A 3D reconstruction phase is first considered yielding to the parameters of the plane. This computation is based on the measurement of the 2D velocity in a...
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ژورنال
عنوان ژورنال: IEEE Robotics and Automation Letters
سال: 2017
ISSN: 2377-3766,2377-3774
DOI: 10.1109/lra.2016.2535961