Investigation of Speckle Image Correction Technique Based on Coding Assistance

被引：0
|
作者：
Yu Zhijing [1 ]
Zhen, Hua [2 ]
Fan, Yan [3 ]
Shuo, Wang [2 ]
Wei, Wang [3 ]
Jun, Wu [3 ]
机构：
[1] Civil Aviat Univ China, Airport Ground Special Equipments Res Base, Tianjin 300300, Peoples R China
[2] Civil Aviat Univ China, Elect Informat & Automat Coll, Tianjin 300300, Peoples R China
[3] Civil Aviat Univ China, Aeronaut Engn Coll, Tianjin 300300, Peoples R China
来源：
PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON MECHANICAL ENGINEERING AND MATERIAL SCIENCE | 2016年 / 93卷
关键词：
Image correction; Digital speckle correlation method; Coding assistance; Measurement accuracy; Measurement error;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of image correction on digital speckle correlation method (DSCM) is researched. And the error caused by differences in attitude is analyzed. Then the theoretical model of image correction based on coding assistance is established. According to the model, computer simulation is conducted. The error of corrected image is significantly reduced after correlation calculation. The relationship between the angle of distortion and matching rate is studied in physical experiment, the error is obviously stabilized, so the accuracy is guaranteed basically. The result showed that speckle image correction technique based on coding assistance will be conductive to improve the measurement accuracy and sensitivity, and the measurement error will decrease from 0.05pixel to 0.01pixel.
引用
收藏
页码：113 / 117
页数：5
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