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Nowadays, the technology of virtual reality develops more and more widely. Its applying range develops from the academic area to the field of engineering. At present, there are a great number of 3D modeling technologies, such as manual modeling with software (eg. 3DMax, AutoCAD), modeling through purchasing Lindar data and the DEM elevation data in a high cost. These technologies to complete 3D modeling...
The vehicle shadow's detection and elimination work basically for extracting and tracking the vehicle characteristics, and it also plays a very important role in highway video surveillance and incident detection, affecting the post-processing of video image directly, such as vehicle tracking and speed measurement. On study of Kimmel variational and multi-scale Retinex algorithm to eliminate the vehicle...
A new method has been proposed in this paper to estimate the camera rotation angles and automatically extract the main contour from a simple building image. In this algorithm, the morphological sieves of small-scale were applied to construct the simple building world Bayesian model. After estimating the maximum a posterior of camera angles and the position of vanishing points, the larger scale morphological...
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