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特征点     
相关语句
  feature points
    A New 3D Coordinates Vision Measuring Method of Feature Points on Large Scale Workpiece
    一种新颖的大型工件特征点空间坐标视觉测量方法
短句来源
    Analysis of Non Vision 3 D Coordinates Measuring Methods with Feature Points on Large scale Workpiece
    工件特征点三维坐标非视觉测量方法综述
短句来源
    This paper gives a detailed analysis of non vision 3D coordinates measuring methods with feature points on workpiece, such as platform height gauge method, electronic theodolite method, Coordinate Measuring Machine method, radar ranging method, moire fringe ranging method, tracking interferoemter ranging method, etc. .
    对工件上特征点的三维坐标非视觉测量方法进行了综述,其中包括平台高度尺法、电子经纬仪法、坐标测量机法、雷达测量法、莫尔条纹测距法、跟踪式激光干涉仪测距方法等。
短句来源
    During matching, disparity scope restriction based on the shape of measured object and relative position between the camera and the measured object is mentioned also. Based on the directionality of disparity, the searching scope of matching feature points is reduced so that the searching speed is improved and the error probability on matching is dropped down after the dynamic searching method being used.
    在进行特征点匹配时 ,在现有约束条件的基础上 ,提出了基于被测物体形态与摄像机相对位置的视差范围约束 ,根据视差方向性并采用动态搜索方法来缩小匹配点的搜索范围 ,从而提高了搜索速度 ,降低了错误匹配概率。
短句来源
    It is proved that the algorithm to extract feature points and the matching method is feasible by computer imitated experiment on standard piece with given 3D coordinates.
    通过对具有已知三维坐标标准件的计算机仿真实验 ,证实了所提出的特征点识别与提取及匹配方法是切实有效的
短句来源
  characteristic point
    A New Algorithm for Evaluating Straightness Error:the Valid Characteristic Point Method with the Rapidly Contracted Constraint Zone
    评定直线度误差的新算法——缩小约束域的有效特征点
短句来源
    A new algorithm of minimum zone method for evaluating straightness error is put forward in this paper. It is the valid characteristic point method with the rapidly contracted constraint zone.
    提出了最小区域法评定直线度误差的新算法———缩小约束域的有效特征点法。
短句来源
  feature-points
    Study of the Pick-up of Coordinates of Feature-points in an Image Captured in the Lightpen Vision Measurement
    光笔式视觉测量中被测特征点像面坐标提取方法的研究
短句来源
    Several image processing algorithms are mainly discussed, including cutting tools image binarization、edge detection、contour feature-points extraction、subpixel edge location.
    本文重点讨论了刀具图像二值化、边缘检测、轮廓特征点提取、亚像素边缘定位等图像处理算法。
短句来源
    A new feature-points extraction algorithm is proposed, which uses least square method fitting contour curve and combines slope、curvature information to extract feature-points.
    提出一种新的轮廓特征点提取方法,它利用最小二乘法拟合轮廓曲线,结合斜率、曲率信息提取特征点
短句来源
  “特征点”译为未确定词的双语例句
    Correctness of the thermal modeling and the simulation method is validated by comparing simulated result with temperature data gained from characteristic positions.
    通过模拟结果与热电偶测得的特征点温度曲线的比较,验证了热模型和模拟方法的正确性。
短句来源
    By means of the temperature measuring for friction stir welding of aluminum alloys,the effect of various welding and rotational speeds on temperature distribution of plate,friction and wear behaviors of joints and variation trend of wear behavior with the temperature of friction stir welds were researched.
    通过对搅拌摩擦焊过程中铝合金板上各特征点在不同焊接参数的温度变化规律的检测,研究搅拌摩擦焊接参数对焊接过程温度场的影响,搅拌摩擦焊焊接接头的摩擦磨损行为,以及搅拌摩擦焊接头的摩擦磨损性能随温度的变化趋势。
短句来源
    Forecast Molten Iron Composition by Thermal Analysis with Multiple Special Points
    多特征点铁水成分的热分析
短句来源
    ALGORITHM RESEARCH ON THE CHARACTERISTIC PARAMETER EXTRACTION FROM THE V-SHAPE WELD SEAM
    V形焊缝特征点提取的算法研究
短句来源
    Based on the bounding box principle and the visible cone principle, thecollision between the cutter and the surface was avoided during each stage.
    在该策略的基础上,结合本文提出的自由曲面参数离散算法、干涉特征点筛选算法以及曲面分割算法,并基于凸包法原理和可视锥原理实现了刀具的无干涉加工。
短句来源
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  feature points
Some examples of practical applications with scale space feature points using the proposed approximation are given.
      
One can select feature points as matching character by using disparity estimation method, under satisfying the condition of certain matching theorem.
      
Based on the unit quaternion decomposition of rotation matrix, this paper puts forward an algorithm to estimate motion parameters from the space position vectors of 3D feature points.
      
The two maps and local similarity map are fused to obtain potential facial feature points.
      
The obtained correspondence is taken as a new pair of reference points to update the reference points continuously until all feature points in the left (or right) image being matched with the right (or left) image.
      
更多          
  characteristic point
On some characteristic point of a polyhedron class in symmetric spaces
      
The adsorption isotherms of all the adsorbates listed were obtained using the Elution by Characteristic Point (ECP) technique and the data were fitted to the BET equation.
      
It is shown that for the calculation it is sufficient to know the coordinates of all zone boundaries and the characteristic point of the system.
      
Almost all of the walkers are expected to move along streams of vectors existing on a particular surface that overlies the (x, y)-plane, toward the neighborhood of a characteristic point at which a mutation-selection-random drift balance is reached.
      
We define a characteristic point PC(Gred,c, δc) that represents the sample.
      
更多          
  feature-points
Such independence from scene-structure allows us to deal with a variable number of visible feature-points and occlusions in a principled way.
      
The goal of this paper is to quantify and characterize the information carried by features using image-structure measured at feature-points to reconstruct images.
      
Our approach consists of first reconstructing a few feature-points that can be reliably tracked throughout a video sequence of the object.
      
  characteristic position
It was found that adult males take virtually any opportunity to associate with a young conspecific in manca-I stage (first free-living stage) and carry it around in a characteristic position.
      
The latter disturbance is explained as a vagal reaction to trauma because of the characteristic position of the corpse at the scene and because the victim did not exhibit any signs of gas or foreign body embolism.
      
Within the cortical rings of the RPE cells vinculin and spectrin occupy a characteristic position closest to the plasma membrane; actin is found farther away, while tropomyosin and myosin are located farthest from the plasma membrane.
      
Zymosan-activated polymorphonuclear leukocytes were notably larger with a characteristic position on discriminant function 1 display (volume versus scatter) of the analyzer.
      
Histone mRNA was identified as a peak migrating in a characteristic position, which was absent in gels of RNA obtained from cells treated with the inhibitor of DNA synthesis cytosine arabinoside.
      
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Along the line of the investigations of the Russian Scholar Rebelski, the paper demonstrates how to experimentally determine the characteristic stress points, then the stress distributions on the horizontal and lateral contact surfaces during close-die loose tooling forging. These seem very useful in selecting the loose tooling forging equipments capacity as well as designing tooling-dies.

套筒胎模闭式模锻中,正确的选择模锻设备吨位和合理的设计模具,是保证生产过程顺利进行的关键,通用计算模锻力的方法,由于各种简化和假设,往往使计算结果与生产实际有较大的出入。本文介绍如何通过实验方法来测定套筒胎模闭式模锻单面法兰锻件时,接触表面上特征点的正应力值及侧表面上特征点的正应力值,从而为较简单较准确的选择模锻设备吨位及设计模县提供了可靠的依据。

A intelligent instrument on measuring the multi-parameter of cast iron melt is introduced in this paper, which has been investigated for several years and successfully used in some factories.Its hard-ware is strong in antidisturbauce, therefore it is fit for working in the adverse circumstances in the foundry. The soft-ware using the unique data-analysis and distinguishing method, the instrument can identify the feature points from the thermal-analysis curves exactly and reliably. It Iso has the good function...

A intelligent instrument on measuring the multi-parameter of cast iron melt is introduced in this paper, which has been investigated for several years and successfully used in some factories.Its hard-ware is strong in antidisturbauce, therefore it is fit for working in the adverse circumstances in the foundry. The soft-ware using the unique data-analysis and distinguishing method, the instrument can identify the feature points from the thermal-analysis curves exactly and reliably. It Iso has the good function of man-machine interaction.

介绍了一种智能化铸铁铁水参数综合测试仪的设计,制作和应用特色等、该仪器硬件抗干扰能力强,适于铸造生产现场较恶劣的工况条件;软件能可靠地寻找到热分析曲线上的特征点,而且能灵活地进行人机对话、

The molten iron is solidified out into white iron by using whiting elements. It changed the cooling curve of molten iron, and lost some important special points in cooling curve of thermal analysis. When the molten iron solidifys grey iron, the five special points of cooling curve can be used to forecast composition C and Si exactly. The linearity of special points is different. The other compositions and molten number affect accuracy of forecasting. This paper proposes the whitening compensation equivalent.

加入白口化元素迫使铁水凝固成白口,使铁水的冷却曲线被扭曲,并失去了热分析冷却曲线一些重要的特征点。用铁水凝固成灰口的冷却曲线上的5个特征点作为预报铁水化学成分的判据,可以提高预报成分的精度。化学成分C、Si和5个特征点的线性相关程度是不同的。其它化学成分和铁水重熔次数也影响预报成分C、Si的精度。还提出铁水白口化倾向的补偿当量的定量表示法。

 
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