Performance of global look-up table strategy in digital image correlation with cubic B-spline interp

来源 :Theoretical & Applied Mechanics Letters | 被引量 : 0次 | 上传用户:roc59516663
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Global look-up table strategy proposed recently has been proven to be an efficient method to accelerate the interpolation, which is the most time-consuming part in the iterative sub-pixel digital image correlation(DIC) algorithms. In this paper, a glob
其他文献
提出一种用于低信噪比光腔衰荡时间准确提取的信号平滑方法,该方法基于数字图像处理领域的空间滤波平滑技术。首先推导了这种平滑方法的平滑过程和平滑效率,并与其他平滑算法进行了对比。推导结果表明基于均值滤波算子的空间滤波平滑方法具有最高的平滑效率。其次,分析了信号平滑方法的实用效果,结果发现该平滑方法与加权线性最小二乘算法相结合能够实现高精度、快速同时准确度较好的光腔衰荡时间提取。最后结合实验数据检验了平
期刊
The halophyte Salicornia europaea L. is a widely distributed salt-tolerant plant species that produces numerous dimorphic seeds. We studied germination and recovery in dimorphic seeds of Central Asian
期刊
Stipa purpurea is widely distributed along a large precipitation gradient on the Tibetan Plateau.This implies that S.purpurea from different populations may have different responses to drought stress.
期刊
As the most influential strike-slip fault in East China,the Tancheng-Lujiang fault zone draws scholars attention for its strong seismic activity. Nevertheless,most research has been conducted along se
期刊
Since 231 B. C.,a total of 15 M6.0 - 7.5 earthquakes have been recorded in the west Beijing basin-range tectonic region( 38.3°- 41.5° E,112°- 116.2° N),a region mainly under the action of tensional no
期刊
In this paper,the main purpose is to analyze and research the characteristics of the geoelectric field observed data with a long time span and large amplitude abnormal change,at the Lhasa geomagnetic
期刊
In this paper,the Gaoyou-Baoying M_S4.9 earthquake was analyzed by the geomagnetic harmonic wave amplitude ratios method. The earthquake was an isolated seismic event,before and after which there were
期刊
By using the digital observations of the pendulum tiltmeter, water tube tiltmeter,extensometer and volumetric strainmeter at Huzhou station and with the power spectrum density estimation method,we acq
期刊
After the Yutian M_S7.3 earthquake,the authors instantly collected 1Hz high frequency data of the 4 reference stations within 350 km around the epicenter,and calculated the GNSS data with the TRACK mo
期刊
Although the structured light system that uses digital fringe projection has been widely implemented in three-dimensional surface profile measurement, the measurement system is susceptible to non-line
期刊