Visual Servoing
Kalman and Smooth Variable Structure Filters for Pose Estimation in Robotic Visual Servoing
... image-based visual-servoing (IBVS) or Cartesian error of the relative pose between the endpoint and the object in the position-based visual-servoing (PBVS), and they also face difficulties of ...
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Image-based visual servoing for the super-orbital re-entry of Hayabusa spacecraft
... that visual servoing techniques can provide improved tracking performance and higher resolution spectral images when observing re-entries of hypersonic space ...using visual feedback and feed-forward ...
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A 3D Sliding Mode Control Approach for Position Based Visual Servoing System
... In this paper, we present a sliding mode controller in PBVS approach to control and path-plan an industrial robot manipulator. By combining the two mentioned tasks through SMC technique, we can have a unied approach to ...
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Model-Free Uncalibrated Visual Servoing Using Recursive Least Squares
... uncalibrated visual servoing algorithm based on recursive least squares is proposed and discussed in ...uncalibrated visual servoing algorithm based on recursive least squares is explored in ...
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Position Based Visual Servoing control of a Wheelchair Mounter Robotic Arm using Parallel Tracking and Mapping of task objects
... In the last few years power wheelchairs have been becoming the only device able to provide autonomy and independence to people with motor skill impairments. In particular, many power wheelchairs feature robotic arms for ...
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Robotic Arm Manipulation Using Shape and Color Based On Visual Servoing
... We need to calculate the center of mass representative of the end effector (gripper) of a manipulator arm of 7 degrees of freedom because this center is important to create a region of interest related to the gripper ...
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Grasping, Perching, And Visual Servoing For Micro Aerial Vehicles
... in visual servoing [30] presents interaction matrices for various geometric shapes and includes simulation and experimental ...a visual servoing framework in ...presents visual ...
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Visual servoing based augmented reality
... We have implemented the visual servoing-based AR on a PC with 200 MHz Pentium Pro processor, an Imaging Technology framegrabber, and an OpenGL accelerator card. The landmarks are circular concentric ring ...
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Towards Ultrasound Image-Based Visual Servoing
... the corresponding interaction matrix was derived from the geometrical model of the ultrasound system. All the unknown parameters necessary to compute this matrix were estimated. Two adaptive control laws, with an on-line ...
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A Brief Comparative Study of Visual Servoing System
... position-based visual servoing control of a 6R robot using two stationary ...and visual control of the ...of visual control and tests of 6R robot in lab are ...
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An optical tracker based robot registration and servoing method for ultrasound guided percutaneous renal access
... In previous study [3], the accuracy of the volume navigation was evaluated via punc- ture tests on a customized phantom. The mean needle-target distance was 2.7 mm for the trials performed by an experienced radiologist, ...
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Visual function in glaucoma: Improving the assessment of computerised visual fields
... locations if their level of loss can be determined relative to a normal database: previous work comparing PROGRESSOR with Statpac 2 has excluded 26% of test locations from analysis because they cannot be classified by ...
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Does Visual Spatial Awareness Require the Visual Awareness of Space?
... in visual experience, and the idea that shape perception requires a kind of binding together of visible properties is an important part of the psychological ...to visual object perception, among them part ...
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Measuring Visual Abilities and Visual Knowledge of Aviation Security Screeners
... of visual knowledge than to an attentional failure or visual processing capacity ...increase visual abilities that are necessary in order to cope with image difficulty resulting from effects of ...
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Insensitivity of visual short-term memory to irrelevant visual information
... on visual working memory tasks other than those that involve imagery ...in visual imagery rather than short-term memory ...on visual short-term memory before drawing general conclusions about ...
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Visual acuity and visual skills in Malaysian children with learning disabilities
... We recruited 1010 primary school students with learning disabilities in the suburban Kota Bharu District, Malaysia. The details of age and sex are summarized in Figure 1. 95.2% (961 students) had visual acuity ...
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An Investigation of Visual Memory : The Nexus Between Visual Perception and Memory
... measures visual working memory. The developers acknowledged that the visual memory index did not represent visual working memory performance in the WMS-III and based on this observation subtests and ...
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Multimodal Compact Bilinear Pooling for Visual Question Answering and Visual Grounding
... Multimodal pooling. Current approaches to mul- timodal pooling involve element-wise operations or vector concatenation. In the visual question answer- ing domain, a number of models have been proposed. Simpler ...
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The Effect of Visual Cues on Visual Attention in a Novel Graph-Reading Task.
... of Visual Cues on Visual Attention in a Novel Graph-Reading Task In the current digital era data is being generated at an unprecedented rate, especially on the ...of visual information are compressed ...
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The visual and beyond : characterizing experiences with auditory, haptic and visual data representations
... the visual probe, while more straightforward to understand, there is no evidence that it evoked familiar real-world analogies, nor did participants use past experiences to interpret the ...the visual probe ...
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