E. Mouaddib | Université de Picardie Jules Verne (original) (raw)
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Papers by E. Mouaddib
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Robotica, 1998
ABSTRACT
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Pattern Recognition Letters, 1998
This paper presents a new coded structured light pattern which permits to solve the correspondenc... more This paper presents a new coded structured light pattern which permits to solve the correspondence problem by a single shot and without using geometrical constraints. The pattern is composed by the projection of a grid made by coloured slits in such a way that each slit with its two neighbours appears only once in the pattern. The technique proposed permits
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Computer Vision and Image Understanding, 2011
The problem of optical flow estimation is largely discussed in computer vision domain for perspec... more The problem of optical flow estimation is largely discussed in computer vision domain for perspective images. It was also proven that, in terms of optical flow analysis from these images, we have difficulty distinguishing between some motion fields obtained with little camera motion. The omnidirectional cameras provided images with large filed of view. These images contain global information about motion
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The absolute necessity of obtaining 3D information of structured and unknown environments in auto... more The absolute necessity of obtaining 3D information of structured and unknown environments in autonomous navigation reduce considerably the set of sensors that can be used. The necessity to know, at each time, the position of the mobile robot with respect to the scene is indispensable. Furthermore, this information must be obtained in the least computing time. Stereo vision is an
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ABSTRACT Time to contact or time to collision (TTC) is the time available to a robot before reach... more ABSTRACT Time to contact or time to collision (TTC) is the time available to a robot before reaching an object. In this paper, we propose to estimate this time using a catadioptric camera embedded on the robot. Indeed, whereas a lot of works have shown the utility of this kind of cameras in robotic applications (monitoring, localisation, motion,...), a few works deal with the problem of time to contact estimation on it. Thus, in this paper, we propose a new work which allows to define and to estimate the TTC on catadioptric camera. This method will be validated on simulated and real data.
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ABSTRACT
Bookmarks Related papers MentionsView impact
Bookmarks Related papers MentionsView impact
Bookmarks Related papers MentionsView impact
Bookmarks Related papers MentionsView impact
Robotica, 1998
ABSTRACT
Bookmarks Related papers MentionsView impact
Pattern Recognition Letters, 1998
This paper presents a new coded structured light pattern which permits to solve the correspondenc... more This paper presents a new coded structured light pattern which permits to solve the correspondence problem by a single shot and without using geometrical constraints. The pattern is composed by the projection of a grid made by coloured slits in such a way that each slit with its two neighbours appears only once in the pattern. The technique proposed permits
Bookmarks Related papers MentionsView impact
Computer Vision and Image Understanding, 2011
The problem of optical flow estimation is largely discussed in computer vision domain for perspec... more The problem of optical flow estimation is largely discussed in computer vision domain for perspective images. It was also proven that, in terms of optical flow analysis from these images, we have difficulty distinguishing between some motion fields obtained with little camera motion. The omnidirectional cameras provided images with large filed of view. These images contain global information about motion
Bookmarks Related papers MentionsView impact
The absolute necessity of obtaining 3D information of structured and unknown environments in auto... more The absolute necessity of obtaining 3D information of structured and unknown environments in autonomous navigation reduce considerably the set of sensors that can be used. The necessity to know, at each time, the position of the mobile robot with respect to the scene is indispensable. Furthermore, this information must be obtained in the least computing time. Stereo vision is an
Bookmarks Related papers MentionsView impact
ABSTRACT Time to contact or time to collision (TTC) is the time available to a robot before reach... more ABSTRACT Time to contact or time to collision (TTC) is the time available to a robot before reaching an object. In this paper, we propose to estimate this time using a catadioptric camera embedded on the robot. Indeed, whereas a lot of works have shown the utility of this kind of cameras in robotic applications (monitoring, localisation, motion,...), a few works deal with the problem of time to contact estimation on it. Thus, in this paper, we propose a new work which allows to define and to estimate the TTC on catadioptric camera. This method will be validated on simulated and real data.
Bookmarks Related papers MentionsView impact
ABSTRACT
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Bookmarks Related papers MentionsView impact