The methods to obtain the Digital Terrain Model (DTM) from contour map by scan digitizing were studied.
本文还研究了通过扫描数字化等高线图建立数字地形模型的方法。
Products surface digitizing and three-dimensional model rebuilding are two key technologies of re.
产品表面的数字化和三维模型重建是RE中的两项关键技术。
In the process of X ray photography and digitizing of X ray image, the influence of the X ray source and noises on the image quality is discussed in this paper, and a mathematical model is built.
讨论了工业X射线照相及照片数字化过程中 ，X射线源及噪声对图像质量的影响 ，建立了图像退化的数学模型 ，并以此为基础 ，给出了复原的算法及处理结果 。
Based on the basic surface and gravity center concept, the paper presents the surface-digitizing model.
通过引入初始曲面概念，提出了基于物体重心的采样算法模型。
Because the 3d geological model is a digital presentation of reservoirs, it also occupies an important position in digitizing a reservoir.
由于三维地质模型是地质体的一种数字化表述，因此，它还在数字化油藏方面起到了重要作用。
Because the 3d geological model is a digital presentation of reservoirs, it also occupies an important position in digitizing a reservoir.
由于三维地质模型是地质体的一种数字化表述，因此，它还在数字化油藏方面起到了重要作用。
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