提出用重建的图像的质量来估价运动参数误差,并给出了误差面积和轮廓转折率误差二个函数。
A method of estimation of motion parameter error based on the quality of reconstructed image is suggested. That area error and contour transition turn error is used to be quality criteria.
针对故障分布模型不唯一这一特点,本文提出采用图分析和误差面积比指数从定性和定量两方面确定其最优分布模型。
The model of failure distribution is not the single one, so the optimum distribution model is determined by applying method of chart analysis and error area ratio.
利用本算法,图像面积和周长的计算误差最大不超过2 % 。
Using this algorithm, the computation error of image area and girth is less than 2 percents.
在房产纠纷中很多是由住房面积引起的,既包括套内面积的缩水,也有分摊面积的误差。
In many property disputes arising from the housing area, both teaching area has also assessed the size of the error.
针对强起伏区面积统计误差,提出一种地形强烈起伏区的面积统计误差的改进方法,并扼要说明它们的一些应用领域。
Aiming at the error in intense hypsography terrain area statistic, the paper puts forward an improved statistic method for intense hypsography terrain, and introduces their application fields.
地图扫描数字化是GIS数据采集的重要手段,地图上的图形经扫描数字化后,其几何形状和面积因误差的存在而发生改变。
Map scanning digitization is one of the ways to capture spatial data in GIS. After digitization, the geometrical figure and area of a figure may change because of errors.
在重复观测的条件下,手持GPS测量面积的相对误差可以达到2.0%,基本满足林业生产中测量面积的精度要求。
Under the condition of re-observation, the relative errors of measuring area with the pocket GPS could reach 2.0% , which could meet the precision demand of measuring area in forestry practice.
研究在数字最优预见控制中以面积误差作为评价函数的轨迹跟踪最优预见控制方法。
An optimal preview control method of trajectory tracking performance index function based on trajectory error area in digital optimal preview control is investigated.
本文提出一种新的基于三次样条曲线的面积误差反馈曲线拟合方法。
A new curve fitting method using area error feedback based on cubic splines is presented.
数码相机摄入图像时产生的线性几何畸变会给叶片面积的测量带来误差。
The leaf image taken by digital camera often has linear geometric distortion, it can bring error to the measurement of leaf area.
文中提出了一种基于面积误差的多边形逼近算法。
第四,探讨了彩色显微图像输入中光学系统的误差及其消除方法,并结合实际需求,研究了图像中不规则轮廓区域面积的测量方法。
The forth, error analysis and elimination of optical system in color microscopic image input and the methods of area measurement for the irregular region in the digital image are discussed.
对于中、低分辨率遥感图像来说,单个像元的面积较大,且混合像元现象严重,图像分割会产生较大的误差。
Image segmentation brings errors in low or medium-resolution remote sensing images because a single pixel covers a larger area and there are a lot of mixed pixels.
文章提出弓形面积和弧长计量的实用公式,并分析了该公式的相对误差。
This paper puts forward some practical formulae of measuring the area and arc length of arch form, and analyses the relative error of these formulae.
算法可以在指定的面积误差门限范围内,满足用户对逼近效果的要求。
Given an area error, a polygon with minimized points set can be achieved.
利用方差分析的方法分析计算误差与界址点点数、宗地面积大小间的关系。
Also, by using variance analysis, the relation of calculation error to the number of parcel corner points and the size of parcel area is analysed.
根据不同流型讨论了等面积圆环法确定断面平均流速时所产生的误差。
The error caused by the ring method of equivalent area to measure the mean velocity of the circular pipe is studied by the different now pattern.
本文已证明此展开图的面积的相对误差相当小。
It has been shown that the relative error of the area of this approximate developing pattern is rather small.
鉴于这种情况,我们先使用低通滤波对轮廓曲线作光顺处理,随后再采用基于面积误差的多边形逼近法对曲线作逼近处理。
And they are often distorted. First, a low passed filter is used to smooth the contour. And a polygon approximating method based on area error is used to approximate the contour.
本文就此进行了讨论,对有弧长约束的空间曲线及有面积约束的旋转曲面问题,分别给出了相应的算法及误差估计。
In this paper, this constraint is discussed. For the space curve with length constraint and the surface of revolution area constraint, algorithms and estimation of the error are given.
采样周期内实际收割面积计算误差造成的产量数据误差是联合收割机计产数据中的一种常见误差。
Harvested area error of yield point is one of the main reasons to bring yield error in yield data collected by yield monitoring system.
本课题针对特定环境下的移动机器人视觉系统提出了误差因子、多边扫描、预算面积去噪以及颜色特征在特定环境下的提取等改进方法。
This research includes error factor, multilateral scanning, denoising area of the preprocessing and color features in particular circumstances for a mobile robot vision system.
本文提出了一种改进的分段二次插值法描写光学系统的光瞳形状,得到了满意的效果,其坐标误差小于1%,面积误差约0.25%。
A modified segmental quadratic interpolation method which describes the shape of optical system pupil with relative coordinate error less than 1% and area error about 0.25%, is presented.
误差的大小是试样厚度、边缘宽度、杯口面积、可能还包括水蒸气透过量的综合影响。
The magnitude of the error is a complex function of the thickness, ledge width, mouth area, and possibly the permeability.
使用该透镜测厚仪时,透镜的受力面积较大,从而可避免透镜局部受力产生形变而造成的测量误差。
When in use of the lens thickness gauge, the force bearing area of the lens is greater, thereby avoiding the measurement errors caused by the deformation due to the local force bearing of the lens.
与单分辨率动态轮廓线面积测量方法相比,该方法具有鲁棒性强,平均值误差、单次测量误差及重复性误差小等优点。
Compared to the area measurement by a mono-resolution dynamic contour, this scheme is more robust with the smaller average error, single measurement error and iteration error.
采用像素点变换法,实现了根据三维物体的二维投影图像恢复物体表面的真实几何面积的设想,大大降低了缺陷面积计算的误差;
To decrease the relative errors, the pixel transform method was adopted to recover the geometrical feature of sphere fruit surface from projected image while the area of defect was calculated.
提出了一种效率增强型硅pin探测器和新型高灵敏大面积硅pin探测器阵列的设计思想,并且对它们的探测灵敏度和相对误差进行了详细的理论模拟计算。
Efficiency enhanced si PIN detector and high sensitivity, large area si PIN detectors array has been developed and their sensitivity and relative error have also been simulated comprehensively.
当试样面积大于杯口面积时,试样在透湿杯边缘的覆盖就成为一个误差来源,尤其是对于较厚的试样。
When the specimen area is larger than the mouth area, this overlay upon the ledge is a source of error, particularly for thick specimens.
用同一填充柱在程序升温条件下,分离轻苯及精制苯中各组份,并用直接面积归一法进行定量,苯系相对误差为0.94%。
The components of light benzene and purified benzene are separated using the same packed column in the condition of program raising temperature and quantified using direct area normal method.
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