DIC数字图像相关技术原理Digital Image Correlation数字图像相关技术Digital Image Correlation(通常称为“DIC...
digital-image-correlation(DIC) method具体是什么内容??EikoTwin图像相关性测量方案成功的应用于复合材料...
数字图像相关(Digital Image Correlation,DIC)是一种基于灰度数字图像的全视野图像分析方法,能在三维空间中确定物体的轮廓和位移。随着高分辨率数码相机在静态与动态应用以及计算机技术的迅速发展,DIC的应用领域不断扩大,证明了其作为一种灵活且有用的变形分析工具的实用性。动态范围广泛,DIC能测量高达100...
数字图像相关技术Digital Image Correlation(通常称为“DIC”)是一种易于使用的测量物体表面变形的光学方...
The optical method Digital Image Correlation (DIC) has been extensively studied due its capability to measure the entire displacement ?eld over a body surface. This particular feature makes this measurement method appropriated to measure heterogeneous displacement ?elds in large strains. Then, it can...
The engineers at Correlated Solutions are the pioneers of digital image correlation technology. For more than 20 years, the industry-leading, non-contact strain and deformation measurement solutions from Correlated Solutions have been the gold standar
计算窗口加权因子In the digital image correlation method,the first step to obtain the displacements of each point in the images taken before and after deformation was to confirm its integer pixel displacement,then to compute its sub-pixel displacement using the correlation coefficient of the integer ...
数字图像相关技术Digital Image Correlation(DIC)是一种衡量物体表面变形的光学方法,简便实用。通过跟踪像素子集(下图红框所示)中的灰度值模式在变形过程中的变化,测量得到结果。与有限元分析(FEA)模型相比,DIC测量技术屡次证实其准确性,Correlated Solutions公司的商用产品VIC-2D和VIC-3D即是采用此...
总结来说,digital image correlation(DIC)是一种用于测量物体表面变形和位移的光学测量技术。通过对比和分析图像中的像素位移,DIC可以提供物体表面上的位移和应变分布。DIC技术在工程、材料科学和生物医学等领域有广泛应用。为了确保DIC技术的准确性和可重复性,国际上制定了一些与DIC相关的技术标准。这些标准定义了DIC测量...
In this paper, a fast three-dimensional digital image correlation (3D-DIC) method was proposed to implement real-time measurement. Two improvements were suggested to accelerate the computation speed without sacrificing the accuracy. First, an efficient inverse compositional Gauss-Newton (IC-GN) ...