DIGITAL ENHANCEMENT OF LCD-BASED SHADOW MOIRE

被引：6

作者：

ASUNDI, A

机构：

[1] The author is in the Department of Mechanical Engineering, University of Hong Kong, Hong Kong

来源：

NDT INTERNATIONAL | 1991年 / 24卷 / 01期

关键词：

SHADOW MOIRE TECHNIQUE; LCD; DIGITAL ENHANCEMENT;

D O I：

10.1016/0963-8695(91)90680-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The shadow moire method is used in conjunction with a liquid crystal display (LCD) projection panel onto which is written a computer-generated grating to display contours of the topography of objects. The ability to change rapidly the parameters of the grating such as the pitch and width of lines using software makes this a versatile tool for shadow moire applications. This versatility of the LCD grating is made use of in this paper for rapid digital enhancement of the shadow moire patterns.

引用

页码：33 / 38

页数：6