| 1. | Central and ordinary moments of any order location : x , y 任意指定位置的中心矩和二阶矩 |
| 2. | Sample central moments 样本中心矩 |
| 3. | Second central moment 二阶中心矩 |
| 4. | Third central moment 三阶中心矩 |
| 5. | The influences of maximum diameter of rainfall particles on the central moment method of the third power of velocity 降水粒子的最大直径对速度三阶中心矩法的影响 |
| 6. | Finally , getting the centroid by calculating the central moment of image , the centroid is obtaind and the results are showed on the screem 通过计算图像的中心矩而得到的图像中二维目标质心,并在界面上显示质心计算结果。 |
| 7. | Two methods are presented , one is based on the normalized central moments of one dimensional range profiles , the other is based on one dimensional scattering centers matching 提出了基于目标一维平均距离像归一化中心矩的目标识别方法和一种新的基于目标一维散射中心匹配的目标识别方法。 |
| 8. | These moments include normalized central moments , hu ' s moment invariants , affine moment invariants , and tsirikolias - mertzios moments . the classification techniques used here are euclidean distance measure , normalized cross correlation and discrimination cost 这些矩包括规格化后的中心矩、 hu矩不变量、仿射矩不变量和tsirikolias -的北丁业人学6卜学位论义搁要mertzios矩。 |
| 9. | In this paper two new test statistics by using matching the first three moments approach are proposed to approximate fgls ( ) by x2 and f variables . a comparison with modified f - test by wu et al ( 1988 ) is completed 本文用“前三阶中心矩相等”法,提出了两种新检验,分别用卡方统计量和f统计量去逼近( f _ ( gls ) ( ) ) ,并与wu , holt和holmes ( 1988 )提出的修正f检验进行了比较。 |
| 10. | Overlapped seeds are separated by certain algorithm . the key problem in hole - drill planter test is locating of holes centers , which is solved by using geometry moments of discrete masses . and then the holes distance is calculated from holes centers with fairly high precision 针对穴播机检测中穴距测量的关键问题,研究了基于几何中心矩的穴播质心、穴间距离检测算法,获得较高的检测精度;研究了基于数学形态学的重叠种子图像检测算法,定义了串联、并联的种子分布形式,对重叠、挤挨种子的分割进行了有效的工作。 |