| 1. | At last , straighten anti - curve line is fitted
最后对逆直线进行拟合。 |
| 2. | This paper studies the anti - lines theory and it ' s mathematic model detailed
详细探讨了逆直线的原理及模型建立和求解过程。 |
| 3. | Study for the software that is used to calculating and drawing the anti - lines
进行了船体型材逆直线加工的计算系统软件的开发。 |
| 4. | In this study , from the anti - lines calculating to the anti - lines drawing , the information flows without blueprint
在本课题的研究里，从逆直线的计算到逆直线的绘制，实现了无图纸的信息流动。 |
| 5. | This paper attempts to study two items : the software for ship frame anti - lines calculating , and the cnc machine for anti - lines drawing
本文主要进行了船体型材逆直线加工的计算系统和逆直线数控划线机的研究。 |
| 6. | The data needed by the calculation system is provided by the design section . the study can improve the efficiency of frame bending for shipyards
船体型材加工逆直线方法及划线机研究可以提高造船工业中的型材弯曲加工效率，缩短造船周期，减轻劳动强度。 |
| 7. | In chapter 2 , the theories about straighten anti - curve line are introduced concisely . the basic principle and calculation about straighten anti - curve line are included
第2章扼要地介绍了逆直线的相关理论，其中包括逆直线的基本原理及其数值计算的算法。 |
| 8. | In chapter 3 , the basic theories about bitmap are introduced as the preparation for programming at the beginning of this chapter , then the way in which the straighten anti - curve line is identified from background is introduced in detail and programmed
第3章首先介绍了位图图像的基本理论，为编写图像处理软件做好理论准备，然后较详细地阐述了肋骨逆直线的提取及其算法。 |
| 9. | In chapter 1 , the aim of the study is proposed . the development and present situation of section processing , straighten anti - curve line method and visual inspect technology are introduced . at last , the main content of this paper is proposed
本论文共六章，具体内容为：第1章概述了国内外船体型材加工的现状、逆直线法的研究现状以及视觉检测技术的发展状况，论述了进行本课题研究的目的及意义，提出了本文研究的主要内容。 |
| 10. | In chapter 4 , mathematical theory about related coefficient and fitting of straighten anti - curve line is introduced at the beginning of this chapter , then how to program to calculate related coefficient is introduced including discussing the appearance of straighten anti - curve line in bitmap , searching the ends of straighten anti - curve line , calculating the angle bitmap should be turned , calculating related coefficient after bitmap has been turned
第4章首先介绍了有关相关系数以及直线拟合的数学理论，然后阐述了求解逆直线相关系数的编程思路，其中包括对逆直线在位图中摆放方式的分类讨论、逆直线端点的搜索、求解旋转角度、旋转后求解相关系数等几个环节。 |
