base tracing paper

According to the drawing characteristic of the field sketch,a method to deal with the field sketch with computer was introduced in the paper.

文中针对野外素描图的绘制特点,介绍了一种用计算机处理地质素描图的方法,即用VB对Windows的画图工具进行二次开发,形成基于栅格的绘图环境、便于绘制流畅素描曲线的典型地质现象野外素描模块。

xploratory experiments have been carried out in which pines are cooked with the acid sulfite process to produce the pulp for tracing paper.

本文就松木用酸性亚硫酸盐法蒸煮，生产描图纸浆进行了探讨性试验。

Tracing paper has been firstly widely used in project design and print as cyano filling paper for its excellent characteristics such as transparency、 erectness etc.

描图纸以其良好的透明度、挺度等特点最初在工程制图、晒图中作为制版转印纸得到非常广泛的使用。

A digital method for the correction of geometric distortion in scanned image;

一种扫描图像几何畸变的数字校正方法

This paper presents a new algorithm of adherence separation of linear features to scanned image.

提出了一种扫描图像线状要素粘连分离的算法。

In order to eliminate the noise and preserve the fine structure features of the scanned image, a method of scanned image denoising based on mathematical morphological pyramid is proposed, which is used to decompose an image level-wise and the detail information is filtered in different resolution spaces, finally restructure a cleaned image with the detail information processed.

为了消除或衰减扫描图像的噪声 ,同时尽可能保留图像细节 ,提出了一种数学形态学金字塔扫描图像降噪方法。