[PDF] Top 20 Decoupled image-based visual servoing for cameras obeying the unified projection model
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Decoupled image-based visual servoing for cameras obeying the unified projection model
... [26]. For instance, by using such features, the interaction-matrix block corresponding to the translational velocity can be a block di- agonal with no depth ...perspective cameras. A new ... Voir le document complet
15
Generic decoupled image-based visual servoing for cameras obeying the unified projection model
... about the use of invariants for decoupled image based visual ...precisely, the invariance property of some combinations of image moments computed from image ... Voir le document complet
7
Visual servoing from spheres using a spherical projection model
... here the properties of pose-based visual servoing and 2 1/2 D visual ...A visual feature proportionally linked to the depth of the observed object has been designed ... Voir le document complet
7
Visual servoing from two special compounds of features using a spherical projection model
... 2D visual servoing is appealing because of its robustness to camera calibration errors [9], and to image ...noise. For satisfactory motion of the system in the Cartesian space, ... Voir le document complet
7
Robust image-based visual servoing using invariant visual information
... projection, so that every pixel in the sensed image measures the irradiance of the light passing through the same viewpoint in one particular ...In the next section, ... Voir le document complet
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Evaluation of the Unified Model of the Sphere for Fisheye Cameras in Robotic Applications
... at the same position, with a 1/4-inch image sensor with a perspective lens (left), the same image sensor with an Omnitech Robotics ORIFL190-3 fisheye lens with a field of view of 190° (middle) ... Voir le document complet
22
Using spherical moments for visual servoing from a special target with unique projection center cameras
... omnidirectional cameras and also with perspective ...of the image of the target can be obtained using moments computed on the surface of the sphere, also known as spherical ... Voir le document complet
7
Image moments-based ultrasound visual servoing
... designed for per-cutaneous ultrasound-guided therapy, are controlled to position the needle which is mechanically constrained to lie in the motionless probe observation ...works, visual ... Voir le document complet
8
Mutual information-based visual servoing
... sider the full image, but in order to reduce the dimensionality of image data, they perform an eigenspace decomposition of the ...image. The control is then performed ... Voir le document complet
13
Visual servoing from spheres with paracatadioptric cameras
... again the system still ...recalled the general features de- signed using a spherical projection model for visual servoing from spheres with any central catadioptric ...in ... Voir le document complet
7
Visual servoing from three points using a spherical projection model
... INTRODUCTION Visual servoing consists in using data provided by a vision sensor to control the motion of a dynamic system ...potential visual features. However the use of some ... Voir le document complet
7
Visual servoing from 3D straight lines with central catadioptric cameras
... consider the problem of controlling the six degrees of freedom of a manipulator using the projection of 3D lines in the image plane of central catadioptric ...of the ... Voir le document complet
13
Homography based visual servoing with omnidirectional cameras: the cases of points and lines
... Vision-based servoing schemes are flexible and effec- tive methods to control robot motions from cameras ob- servations ...position-based, image-based and hybrid- based ... Voir le document complet
8
Using image gradient as a visual feature for visual servoing
... motion model [2]–[5]. Nevertheless, such approaches require a complex image processing ...Removing the entire matching process is only possible when closely tie the image to the ... Voir le document complet
7
What can Prediction Bring to Image-Based Visual Servoing ?
... plane. The difference between the reference features and the predicted features is to be minimized over the predicted horizon in regard to the camera velocity screw ...inputs. ... Voir le document complet
7
Point-based and region-based image moments for visual servoing of planar objects
... Whatever the nature of the possible measures extracted from the image, from a set of image points coordinates to a set of image moments, the main question is how to ... Voir le document complet
13
A unified direct approach for visual servoing and visual tracking using mutual information
... it. The control is then performed directly in the eigenspace which requires the off-line computation of this eigenspace (using a principal com- ponent analysis) and then, for each new frame, ... Voir le document complet
183
New decoupled visual servoing scheme based on invariants projection onto a sphere
... used for a dedicated object (a 3D rectangle), once again for decoupling ...properties. For the same object, six visual features have been designed in [4] to control the six dofs ... Voir le document complet
7
Visual servoing and pose estimation with cameras obeying the unified model
... Introduction Visual servoing aims at controlling robotic systems by the information provided by one or more ...to the space where the visual features are de- fined, several kinds ... Voir le document complet
22
Photometric visual servoing for omnidirectional cameras
... of the entire image, have been proposed to directly be used as input of the control scheme by ...case, the goal is to minimize the error between the current and desired ... Voir le document complet
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