That displacement is measured with a laser beam to create a series of 2-d images of the sample, which are combined to generate a 3-d image.
然后用一束激光来测量这个摆动的位移，并由此生成一系列此样本的二维影像，再由这个生成其三维影像。
A metrical method for object displacement was introduced, which was based on digital image processing in the paper.
介绍一种基于数字图像处理的白光散斑法的位移测量方法。
The result shows that all this features are typical and effective, and invariable with the image displacement, rotation and flex.
实际应用结果表明这些特征是典型的、有效的，它们不随图像位移、旋转，伸缩变化而变化。
And the displacement of speckle image reflects the distortion or displacement of objects.
而激光散斑图像的位移可以反映出物体的位移或形变。
It also fits for dynamic displacement measurement when a high-speed image card was used. This technology expands digital speckle correlation method's application field.
使用高速图像采集卡，该方法可应用于斜光轴动态位移测量，拓展了数字散斑相关方法的应用范围。
This paper discusses a measure method of numeral image manipulation technology to inspect the dynamic displacement of project structure.
本文探讨了基于数字图像处理技术的实时动态位移监测技术的实现。
Test results demonstrated that digital image correlation method was effective, which could precisely measure the displacement and strain distribution in concrete under fatigue loading.
试验结果表明，数字图像相关方法具有可行性，能够有效地测量混凝土在疲劳荷载作用下的位移和应变。
By using calibrated image, it can measure plane absolute displacement of worktable automatically via feature point extraction and gray vector matching.
该方法采用事先通过标定的图像，对自然标志(特征点)的提取和基于灰度向量匹配来完成绝对位移的测量。
In this study, using image processing technologies the on line photometry system for soil displacement has been developed, which is possible to measure automatically at high speed and high precise.
本研究应用图像处理技术，开发出了一个能自动、高速、准确地测量、计算土的位移的实时测量系统。
The laser spot of the upright incidence to train wheel is imaged on CCD. While the train wheels are frayed, the image of spot will take place displacement.
激光束垂直入射到火车车轮上，再用透镜将火车车轮上的激光光斑成像到CCD上，当火车车轮产生磨损时，CCD上激光光斑的像也将发生位移。
By measurement the displacement of image, the metal plate displacement can be calculated.
此法也可推广到金属板的厚度测量中。
Image-processing algorithms were formulated for image registration. These were used to determine displacement mapping and then surface strains.
在该装置中图像配准的处理算法以公式表示，应用这些算法可以确定位移图和表面应变。
The longitudinal and horizontal displacement formula of image formation by parallel glass panel are obtained with the step-by-step image formation method.
基于逐次成像法，得到了物体经平行玻璃板所成像的纵向及横向位移的严格表达式。
In order to obtain reliable strain field, full-field strain measurement based on least-square fitting of local displacement for digital image correlation method is proposed.
为了从含噪声的位移场中计算得到可靠的应变场，提出一种基于位移场局部最小二乘拟合的全场应变求解方法。
The displacement and speed of the sampling node is obtained by obtaining one cardiac cycle heart movement sequence image.
通过获得的一个心动周期的心脏运动序列图像，得到采样节点的位移和速度。
In order to obtain reliable strain field, full-field strain measurement based on least-square fitting of local displacement for digital image correlation method is proposed.
为了获得可靠的应变场，满场应变测量最小二乘法拟合的局部位移的数字图像相关方法的基础上提出的。
The self-displacement inspection unit of the robot was designed with optical navigation chip based on rapid image acquiring and processing technologies.
采用基于快速图像获取和图像处理技术的光学导航芯片，设计了机器人自身位移检测单元。
An algorithm based on area search matching was proposed. The algorithm used color information of measure points to find image grids and to measure the displacement in similar material experiment.
本文提出一种基于区域搜索匹配算法，利用测点的颜色信息寻找网格点，进行相似材料位移的非接触测量。
Secondly, we sorted the feature vector by dictionary, and located the tampered region by utilizing the displacement vectors of image blocks.
然后将特征矢量进行字典排序，并结合图像块的位移矢量，检测且定位出篡改区域。
This arithmetic can capture the displacement of the fingerprint using the information contained in the pels of the sensor, it can also resume the fingerprint image without any crossover.
该算法巧妙地利用了有限个像素点的信息，能够有效地判断手指在扫刮方向上的位移在扫刮过程中的左右偏移，并能据此恢复出完整的没有任何交叠的指纹图像。
For example, based on pre-knowledge from an image, such as a CT image or an X-ray image, the maximum displacement and geometry of the heart can be derived.
例如，基于对诸如ct图像或X射线图像的图像的预先了解，可以获得心脏的最大位移和几何形状。
Based on the principle of demodulating the displacement of the projected fringes with digital image correlation method, a micro fringe projection correlation method is proposed.
基于数字图像相关法解调被物体高度调制的投影栅线平移量的原理，提出了显微栅线投影相关法的概念。
Conclusion Digital subtracted transcranial image can be used in measurement of condyle displacement.
结论许勒位片数字减影可用于髁突移位的定量分析。
The optical measurement system of digital image correlation method was established, and the full field displacement of the single-edge crack specimen was obtained experimentally.
通过搭建数字图像相关方法光学非接触测量系统，试验表征含单边裂纹芳纶纤维复合材料试验件在拉伸载荷作用下的全场位移。
Transmitting effects of aero-optics is very important to optical imaging probing system of interceptor, as it may cause displacement, jitter and blurring of image to receive for the system.
气动光学传输效应对飞行器光学成像探测系统的性能有着十分重要的影响，它使探测器接受的图像产生偏移、抖动和模糊。
The heart boundary on the sequence image can be divided by the image segmentation method and is matched with the boundary between two continuous frames to form the boundary displacement amount.
采用图像分割方法分割出序列图像上的心脏边界，匹配连续两帧之间的边界得到边界位移量。
Overlay puts two clips on top of each other with an optional displacement of the overlaying image, and using different overlay methods.
此滤镜将一段视频交叠在另一段已知视频上，可以选择交叠图像的偏移量，也可以选择不同的交叠方法。
The present invention has image pick-up to obtain image in sequence, and takes sample frame and current frame to estimate moving speed vector and calculate image displacement.
本发明提供的方法与装置，利用影像撷取装置以循序方式撷取数字影像，取出样本帧与当前帧，估计移动速度向量，并计算影像的位移量。
For improving accuracy of the micro-displacement detection in stiffness measurement, this paper presents an image micro-displacement detection method.
为提高刚度测量中位移检测的精度，提出一种图像式微位移检测方法。
It shows that the differential focussing method by comparing MTFs has perfect performances high speed, high precision focussing, not being affected by image displacement and flexibility etc.
实验表明，差分式对比传递函数法调焦，具有调焦精度高，调焦速度快，受像移影响不明显，适应性好等优点。
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