...geometry transformation, heat equation AMS subject classifications. 76M12, 76R50, 35K05 [gap=302]关键词。减少的基础方法，模型简化，几何变换，热传导方程的AMS主题分类。
基于26个网页-相关网页
line geometry transformation 线段几何变换
image geometry transformation 图象几何变换
window geometry transformation 窗口几何变换
It also introduced traditional method of document image pre-processing such as geometry transformation, image enhancement, image restoration.
归纳了几何变换、图像增强、图像复原等常用的文档图像预处理方法。
参考来源 - 数字化信息卡文档图像预处理系统的设计与核心算法·2,447,543篇论文数据，部分数据来源于NoteExpress
How to resist geometry transformation attacks effectively has become a focus of digital watermarking.
如何有效地抵抗几何形变攻击已成为数字水印技术的研究重点之一。
A novel image geometry transformation method based on modifying IFS coefficients is proposed. Formulas for modifying IFS parameters to translate, to rotate and to dilate images are presented.
提出了实现图象几何变换的迭代函数系统(IFS)参数修改法，导出了实现图象平移、旋转和缩放的IFS参数变换公式。
In this paper, a mathematic model of the straight axis rotate blade is introduced by analysing the forming principle of the blade profile and applying the theory of 3d geometry transformation.
本文通过对直轴旋转叶片型面成形规律的分析，运用三维几何变换理论，推导出了直轴旋转叶片型面的数学模型。
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