1.Objective To define the ranges of IOP and ocular pulse amplitude(OPA)using Dynamic Contour Tonometer(DCT)in a healthy Chinese population.
目的调查动态轮廓眼压计(Dynamic Contour Tonometer,DCT)眼压及眼脉动幅度(Ocular Pulse Amplitude,OPA)在健康人群中使用时测量值范围。
2.Objective To compare the value between dynamic contour tonometry(DCT) and Goldmann applanation tonometry(GAT) in measurement of different central corneal thickness(CCT).
目的比较动态轮廓眼压计(dynamic contour to-nometry,DCT)和Goldmann压平眼压计(Goldmann applanation tonometry,GAT)在中央角膜厚度(central corneal thickness,CCT)不同的正常眼测量值的差异。
3.Using univariate liner regression model,we found that the horizontal outer contour diameter(HOD),vertical inner lumen diameter(VID),outer area of contour(OA),inner lumen area(ILA),outer volume(OV) and lumen volume(LV) of the internal carotid artery vessel contour had significant negative correlation with cocaine use.
应用单变量线性回归模型分析,可见颈内动脉水平测量外径(HOD)、垂直内径(VID)、外轮廓面积(OA)、颈内动脉内轮廓面积(ILA)、外轮廓体积(OV)、内径轮廓体积(LV)与应用可卡因呈显著负相关。
4.The serial contours’s resolution in Z direction is less than the resolution in X and Y direction, the shape of the adjacent multi-distance underwater contour images vary observably, so the key technology of reconstruction is interpolation. With interpolation between the adjacent contours, a contour can change naturally to another adjacent contour.
由于得到的序列轮廓线数据在Z方向的分辨率小于X、Y方向的分辨率,水下多距离图像相邻两层的地形轮廓线形状变化较大,为达到满意的三维表面重建效果,关键技术在于轮廓线之间的插值,使得某层的轮廓线自然过渡到与其相邻的另外一层轮廓线。
5.This paper provides the general equations of the theoretical contour line and the actual contour line of roller translation follower and roller oscillating follower disc cam in the polar coordinates system and the rectangular coordinates system,respectively.The equations are not only fit for the different layouts of the relative position of follower and cam,but also fit for the different types of cam contour.
分别给出了滚子直动从动件和滚子摆动从动件盘形凸轮的理论廓线及实际廓线在极坐标系与直角坐标系下的通用方程,它们对于从动件与凸轮相对位置的不同布局方式及凸轮轮廓的不同类型均适用.
6.The initial contour is extracted by basic morphological operation, and the exact contour is extracted through active contour model.
利用形态学的基本操作提取活体细胞的初始轮廓，运用活动轮廓模型提取准确的细胞轮廓。
7.The initial moving object and its binary contour model is obtained after thresholding initial object and removing the noise. Then the binary contour model is tracked and matched to accommodate the change of position and shape of object using active contour model in the following frames.
第二种方法首先根据边缘帧差图象标识出前景对象，再使用Calmy算子得到此前景对象的二值边缘模型，为了容纳对象在后继帧中的位置变化，使用经本文改进的豪斯道夫距离跟踪器跟踪此对象，以修改的二值边缘模型适应对象在后继帧中的形变.
8.The principle of this approach is: during the second alphabetically pixel scanning of the labeling algorithm, the first pixel of each connected components is found, and a start-point table used for contour following is set up based on certain principles, thus the operation of search start points of the contour in the image is avoided, the execution of the standard contour following algorithm is accelerated.
算法的基本原理是：利用标记过程寻找连通区域中第一个像素出现的位置，在此基础上根据一定原则确定轮廓起点，省略了在图像中逐像素搜索轮廓起点的过程，达到加速算法执行的目的。
9.This algorithm can get rid of the trouble that chin contour is hardly extracted from the neck area,robustly extract face contour with high precision and satisfy the demand of face contour feature extraction.
该算法能够较好地提取人脸的轮廓线,克服了下巴边界难以从颈部区域提出的困难,定位精度高,边缘连续性好,满足了人脸轮廓特征提取的要求.
10.To point out the problem in the common design methods of rotor bow’s contour Through the numerical analysis by computer,the approximate relation between width height ratio of skipping curve and its root angle has been obtained,therefore,a simple and covenient method has been given out for the determination of rotor bow’s frame parameter and its contour design
提出跳绳式捻股机转子弓外形设计常用方法中存在的问题。 通过计算机数值分析，得出跳绳曲线的宽高比与弓根角之间的近似拟合关系式，为转子弓结构参数的确定及其外形设计提供了简便的方法。
