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In view of the terrain around highway in the research area, a segment & layer based terrain LOD modeling algorithm is proposed. By combination with view-dependent factors, the complex scene of large scale terrain is simplified and the observation effect of 3D terrain visualization in research area is improved. The application of multithread processing mechanism and vision smooth transition processing...
Aiming at the feature of the cavity microscopic image of the cross-section of Fiberboard, a new algorithm is proposed which can detect the image effectively and accurately. This algorithm used Otsu algorithm to segment the cavity from the microscopic image, then refined the cavity edge by using the GAP statistic model which was based on the difference in distribution function of grey-level. The experimental...
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