[PDF] Top 20 Using image gradient as a visual feature for visual servoing

... require a complex image processing ...the image to the control. Considering the whole image as a feature has previously been studied ...the visual features are directly ... Voir le document complet

... researches for visual servoing of UAVs have used PBVS [6], [7], ...An image-based PID controller using a stationary camera has been proposed to control the pose of a ... Voir le document complet

... decade for civilian applications including search and rescue, wild fire monitoring, traffic monitoring, pipeline patrol and so on ...used for attitude control and inertial sensors or GPSs are often used to ... Voir le document complet

... the visual measurements x(r k ). However, a robust extraction, matching (between x(r 0 ) and x ∗ = x(r ∗ )) and real-time spatio-temporal tracking (between x(r k−1 ) and x(r k )) have proved to be a ... Voir le document complet

... as a way to deliver contact-less metrological ...used for sensing and neither modeling nor control was questioned from the vision point of ...view. A first step in this direction was made in [2] were ... Voir le document complet

... (confidence feature value, velocity, mean confidence and contact force) during a selected period of a teleoperation ...material for a full demonstration of the method. A ... Voir le document complet

... When a task error is close enough to 0, the next one is ...to a favorite DOF. Initialy using the X and Y translations as well as the pan-tilt, the object is centered in the middle of the ... Voir le document complet

... Detection for Wide-Baseline Matching The purpose of wide-baseline matching is to detect corre- spondences without any prior knowledge about the relative orientation of the two ...from a moving car; ... Voir le document complet

... rad/s) for the GN method, (d) Camera velocities (m/s or rad/s) for the MLM method, (e) Initial image, (f) Final ...image. a robust one ...desired image and between 50 and 100 ... Voir le document complet

... of a location within it using ...or feature detection, data association or feature matching, state estimation or 3D pose estimation, state update or update to global pose and pose correction, ... Voir le document complet

... with visual servoing with respect to a book. The desired image and the initial image are given in ...during visual servoing process, the variations of the visual ... Voir le document complet

... of a medical robot by using visual servoing from ultrasound B-scan ...the image. Using speckle, we track both out- of plane and in-plane ...be a noise and much effort has ... Voir le document complet

... new visual servoing technique has been introduced to overcome these ...the image intensity (the pure luminance signal) can be considered to control the robot ...as visual measurement and as ... Voir le document complet

... the visual measurements required to design and compute s) and real-time spatio-temporal tracking (between x(r k−1 ) and x(r k )) which are well known to be difficult ...of using geometric visual ... Voir le document complet

... CONCLUSION Visual servoing using an omnidirectional camera and based on entire image luminance has been developed in this ...omnidirectional image gradients computations were expressed ... Voir le document complet

... The visual servoing scheme considering mutual information as visual feature is able to handle very important lighting variation ...considered for images acquisition (b). First row is ... Voir le document complet

... of a full scale non-linear optimization: Virtual Visual Servoing ...2D visual servoing as proposed in [53], ...2D visual servoing [31], [21], [28] consists of specifying ... Voir le document complet

... Photometric visual servoing for omnidirectional cameras Guillaume Caron ∗ Eric Marchand † El Mustapha Mouaddib ‡ Abstract 2D visual servoing consists in using data provided by ... Voir le document complet

... 2.1. Using geometrical features to estimate displacement phase in the tracking process, the most common technique being RANSAC [Fischler and Bolles, ...Short for "RANdom SAmple Consensus", the ... Voir le document complet

... to Image-Based Visual Servoing ? Guillaume Allibert and Estelle Courtial Abstract— The purpose of this paper is to show what image prediction can bring to Image-Based Visual ... Voir le document complet