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In recent years, many approaches have been proposed to compensate the lack of performance of GNSS (Global Navigation Satellites Systems) occurring when operating in constrained environments. One of these approaches consists in characterizing the environment of reception of GNSS signals using a wide-angle (fisheye) camera oriented to the sky. The content of acquired images is classified into two regions...
In this paper, we present a new approach to discriminate dynamic color textures in sequences of images containing moving objects. The moving textures are analyzed by use of Haralick features extracted from color spatio-temporal co-occurrence matrices which characterize the textures themselves as well as their movements. Features with the highest discriminating power are selected according to a supervised...
In this paper, we present a strategy of image segmentation for roof detection from aerial images. For that, an orthophotoplan segmentation method based on a cooperation technique including edge based segmentation and region based segmentation is proposed. Both segmentation techniques are assured by watershed algorithm. The proposed strategy is composed of three steps: (i) A simplification step that...
3D scene based objects detection and tracking is a central problem in many intelligent transportation applications. Dynamic stereo vision is the known approach to solve this problem. It consists in detecting and tracking objects from their reconstructed features using stereo images. This paper proposes a new method for detecting and tracking objects using stereo vision with linear cameras. Edge points...
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