Catadioptric cameras
Visual servoing from 3D straight lines with central catadioptric cameras
... perspective cameras are single view point ...central catadioptric system can be built by combining an hyperbolic, elliptical or planar mirror with a perspective camera and a parabolic mirror with an ...
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Image-based Control of Mobile Robot with Central Catadioptric Cameras
... central catadioptric cameras can be ...a catadioptric camera to follow a 3D straight ...central cameras (including the conventional ...central catadioptric cameras, and to ...
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Automatic Structure and Motion using a Catadioptric Camera
... ing catadioptric cameras are described in this paper, by in- troducing the adequate bundle adjustments (image and an- gular errors) and geometry initialization schemes for both central and non-central ...
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Direct self-calibration of central catadioptric omnidirectional cameras
... Central Catadioptric Omnidirectional Cameras vehicle [ Geb98 ...6 cameras. Two such catadioptric cameras were symmetrically connected back to back to observe the whole ...a ...
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Extrinsic calibration of heterogeneous cameras by line images
... by catadioptric or fish-eye ...omnidirectional cameras have been widely utilized as they possess wider FOV than conventional ...several cameras looking forward to differ- ent directions, (ii) rotary ...
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Photometric visual servoing for omnidirectional cameras
... omnidirectional cameras Guillaume Caron ∗ Eric Marchand † El Mustapha Mouaddib ‡ Abstract 2D visual servoing consists in using data provided by a vision sensor for controlling the motions of a dynamic ...to ...
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Attitude estimation from polarimetric cameras
... polarimetric cameras Mojdeh Rastgoo 1 , Cedric Demonceaux 1 , Ralph Seulin 1 , Olivier Morel 1 Abstract— In the robotic field, navigation and path planning applications benefit from a wide range of visual systems ...
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Central catadioptric visual servoing from 3D straight lines
... V. C ONCLUSIONS Visibility constraints are extremely important for visual servoing applications. To overcome these constraints, the wide field of view of central catadioptric cameras can be exploited. We ...
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Fitting 3d models on central catadioptric images
... The algorithm was tested on real data acquired using two different catadioptric cameras. Two objects were also considered: a box and a set of two plinths. Real images and sensor calibration used to obtain ...
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Toward Flexible 3D Modeling using a Catadioptric Camera
... of cameras are possible [3]: catadioptric cameras, fish-eyes, or systems of multi-cameras pointing in many ...A catadioptric camera is a good candidate for all these constraints, and it ...
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A Visual Servoing Model for Generalised Cameras: Case study of non-overlapping cameras
... x-slit cameras, multi-camera systems and non-central catadioptric cameras ...when cameras do not project centrally, different pixels sense bearings from different positions in ...all ...
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Coarsely Calibrated Visual Servoing of a Mobile Robot using a Catadioptric Vision System
... and a mirror to achieve a wide field of view imaging system. This type of vision system has many potential applications in mobile robotics. This paper is concerned with the design of a robust image-based control scheme ...
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Turning Municipal Video Surveillance Cameras into Municipal Webcams
... After the attack on the World Trade Centre, video surveillance systems experienced explosive growth in the US; however most of these systems were acquired by private owners. Municipal video surveillance by public ...
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Stereo-DIC using high magnification infrared and visible cameras
... 1 Introduction An experimental setup [4] is developed in order to assess the thermomechanical cyclic behavior and fatigue resistance of austenitic stainless steels during thermal fatigue loadings that may occur in ...
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Visual servoing from spheres with paracatadioptric cameras
... Z B r s ) are intuitively proper to a cartesian image space. Therefore, for any visual servoing task, these features will mostly draw a straight line trajectory in the image plane of any catadioptric system. This ...
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Measurement of Visibility Conditions with Traffic Cameras
... Measurement of Visibility Conditions with Traffic Cameras to calibrate it. The second limitation is that they applied the Lambertian map backwards in time. When we apply the calibrated model to estimate ...
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Hybrid Stereocorrelation Using Infrared and Visible Light Cameras
... The remaining gaps may result from different sources. The displacement fields show a gradient near the borders that should not appear as only RBTs are applied. Different reasons can explain such effects. The first one is ...
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Applications of visible CCD cameras on the Alcator C-Mod tokamak
... CCD cameras with nearly identical, tangential views of the ...These cameras are filtered for deuterium emission using interference ...The cameras are recorded simultaneously using a video-capture ...
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Robust Joint Image Reconstruction from Color and Monochrome Cameras
... two cameras is small, the parallax is not negligible for closeby objects, and does result in depth-dependent disparities, with all the well-known consequences, such as occlu- sion regions ...two cameras but ...
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PhD Forum: Camera Pose Estimation Suitable for Smart Cameras
... 2. CAMERA POSE ESTIMATION SUITABLE FOR SMART CAMERAS In smart camera context, one central issue is the imple- mentation of complex/intensive computer vision algorithms inside the camera fabric. For processing ...
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