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边缘测量
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  edge measurement
     Research of interpolation method in the leading and exhaust edge measurement of turbo blade
     叶片进排气边缘测量型值点插值方法研究
短句来源
     A new method for high accuracy in CCD edge measurement has been proposed by changing hardware composition of CCD system.
     从改变CCD测量系统硬件构成出发 ,提出了一种提高CCD边缘测量精度的新方法。
短句来源
     Measurement of the leading edge and exhaust edge of turbo blade is a hard nut to crack in aero-compressor manufacturing. The law of the knot vector's influence on NURBS interpolation curve is analysed, a knots factor method (KFM) to meet the needs of interpolation of the discrete points in the blade edge measurement is proposed, the principle, working process and characters of the KFM method is represented.
     叶片进排气边缘的测量是航空压气机制造中的难点,分析了节点矢量对NURBS插值曲线的影响规律,提出了一种适合叶片进排气边缘测量点插值的节点因子调节方法KFM,阐述了其基本原理、工作过程。
短句来源
  “边缘测量”译为未确定词的双语例句
     A Measurement System of Automatic Aiming Specimen Edges Utilizing Optical Fibre Sensors
     光纤传感器自动瞄准试件边缘测量系统
短句来源
     Application of Haar-Gaussian wavelet transform to edge-detection
     Haar-Gaussian小波变换在边缘测量中的应用
短句来源
     Differential Haar-Gaussian wavelet transform and its application to edge detection with large depth of focus
     微分Haar-Gaussian小波变换在大景深物体边缘测量中的应用
短句来源
     as for the process of concave type steel plate, it introduces a new edge-determine method to avoid the “processing flaws” caused by complex edge conditions;
     对于帆形板的加工,采用了新的边缘测量确定方法,在最大程度上避免了由于边缘情况复杂而导致的“呲边”现象;
短句来源
     The size of tumor is an important measure in lung cancer examination and evaluation. At present, it is common that doctors mark the tumor's edge in a 2-dimensional slice film manually and use the maximal diameter in horizontal and/or vertical extent to describe the size of the tumor.
     肿瘤大小的测量是肺癌的重要检查和评估手段之一,目前临床上肿瘤大小的测量方法,通常是在二维切片内手工标记肿瘤边缘,测量最大直径或\和垂直最大直径来表示肿瘤的大小。
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  相似匹配句对
     Edge
     边缘
短句来源
     Fringing field measurement of dipole magnet
     两极磁铁边缘测量
短句来源
     The measurement of the lateral profile of plasma edge damage
     等离子体边缘损伤的横向分布测量
短句来源
     Measurement of Gravity Acceleration
     重力加速度的测量
短句来源
     Experiencing the Edge
     感受边缘
短句来源
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  edge measurement
Results of the intrinsic absorption edge measurement of CdAs2-based glasses are correlated with the results of metallographic examination of their homogeneity.
      
A schematic of the knife-edge measurement setup employed for the CO2 laser is shown in figure 7.2.
      
The fifth is a flat plate with circular holes for the determination of edge measurement performance.
      
Using the Gaussian fit for each knife-edge measurement, the individual radii at every location was calculated.
      


A dynamic microvascular edge detection method which is based on an adaptive thresholding and multi judgment criteria were developed. To realize the on line measurement with video rate, first the changeable measuring lines which are perpendicular to a microvessel axis and cover the possible edge location at a cross section of the microvessel was set as a sampling window. A dynamic threshold, which can frame by frame automatically adapt to the change of light intensity in the sampling window, will be generated...

A dynamic microvascular edge detection method which is based on an adaptive thresholding and multi judgment criteria were developed. To realize the on line measurement with video rate, first the changeable measuring lines which are perpendicular to a microvessel axis and cover the possible edge location at a cross section of the microvessel was set as a sampling window. A dynamic threshold, which can frame by frame automatically adapt to the change of light intensity in the sampling window, will be generated based on the on line analysis of light intensity distribution along the measuring lines. The judgment of microvascular edges is based on the pattern characteristics of the light intensity distribution curve in the microvascular edge areas and the possible range of dynamic change of the microvascular diameters. Multiple criteria for the edge detection were set for accurately detecting the edges and skipping the non edge zones to speed the edge recognizing procedure. To further improve reliability of this edge detection, a dynamic graphic indicator can be generated according to the detected vessel edge location, and simultaneously displayed with the original image. This algorithm has been successfully applied for auto tracking measurement of spontaneous vasomotion in microcirculation, even when the microcirculatory image had complex background and low contrast.

为实现以视频速度实时测量,建立一条与血管轴向垂直且在血管径向覆盖血管边缘的测量线作为采样窗口。通过对该测量线光密度分布的分析得到一个可逐帧自适应光密度变化的动态阈值,根据血管边缘区域内光密度曲线的形态特征和管径动态变化的可能范围来判定微血管边缘。建立多项判定规则提高边缘测定的精度并跳过非边缘区以加快处理速度。为进一步提高这种边缘测定的可靠性,在原图像上叠加一个与被测血管边缘位置相一致的动态图形指示。实用结果发现:即使在微血管图像背景复杂和反差较弱的情况下,这种采用自适应阈值和多项判别规则的微血管边缘动态检测方法仍能完成对微血管自律运动的自动跟踪测量

A new method for high accuracy in CCD edge measurement has been proposed by changing hardware composition of CCD system.Through widening the image input, more details will be get . At last the accurate position is recovered by using mathematical method.

从改变CCD测量系统硬件构成出发 ,提出了一种提高CCD边缘测量精度的新方法。其实质是用光学方法将输入图像进行展宽 ,使CCD能够获得更多的边缘信息 ,再用数学方法对其进行处理 ,从而恢复被测物体边缘精确位置

A new method to measure the IC chip pins position deviation and designs a special optical measurement system was introduced.By getting the chip pins edge sketch and using a method of subpixel precised division,we can measure the chip pins edge at the subpikxel level,and using the method of spline,we can get the grey plot function and presicely measure the position of the edges.The experiments indicate that this method can achieve the 3° measurement index of IC chip pin position deviation.

对引脚边缘轮廓进行提取 ,采用亚像素细分的方法 ,使引脚边缘测量精度达到亚像素级 ,并利用三次样条插值拟合出引脚边缘灰度的分布函数 ,实现了引脚边缘位置的精确定位。实验证明 ,该方法能够达到集成引脚位置偏差 3°的工业检测指标

 
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