The centroid algorithm is the traditional method for subpixel location, but it is shown that exist a systematic error and a random one.
质心法是星点质心亚像元定位的传统方法，然而，它存在系统误差和随机误差。
The simulation results show that the algorithm has better estimation error and node localization coverage than common weighted-centroid algorithm.
实验结果表明，与普通加权质心算法相比较，该算法具有更高的定位覆盖度和定位精度。
The processing results show that the algorithm performs well in big and small target images, and maintains the advantage of quick processing speed of original centroid algorithm.
处理结果表明，对于大目标图像和小目标图像均有较好的效果，并且保持了常规形心跟踪算法执行速度快的特点。
Centroid algorithm is a high accuracy method to locate the point on CCD image. But the large amount of data makes it respond slowly and unsuitable for the real-time digital photogrammetrical system.
重心法是一种高精度的CCD像点位置提取算法，但由于数据量大，响应速度较慢，不适于要求实时响应的数字摄影测量系统。
Centroid algorithm is a high accuracy method of locate the image point on CCD. But large amount of data need handling, which makes it difficulty to meet the demand of high respondency and real-time.
重心法是一种高精度的CCD像点位置提取算法，但由于需要处理的数据量很大，一般用硬件很难实现高采样率和实时性。
Centroid tracking algorithm is widely used because of its simplicity and quick run speed.
形心跟踪算法因为简单、执行速度快而得到广泛采用。
However, the centroid tracking algorithm based on the image gray-mean segmentation fails when tracking small target images.
但是这种基于图像灰度均值分割的形心跟踪算法对于小目标图像都会跟踪失败。
This paper presents an algorithm for target image extraction and high precious target centroid tracking in complex environment.
本文介绍一种复杂背景中目标图像的提取与高精度目标形心跟踪算法。
This system detected motion target using difference image method through threshold image segmentation, then automatically tracked target by using centroid tracking algorithm.
该系统运用差分图像法，通过阈值图像分割来检测运动目标，并采用形心跟踪算法来自动跟踪目标。
Aiming at this problem, this paper proposes an improved text categorization algorithm whose performance is higher than classical categorization algorithm based on centroid.
针对该问题提出一种改进的文本分类算法，与基于质心的经典分类算法相比，其性能较高。
The performance of text categorization algorithm based on centroid is poor when the documents are dispersive or existing more than one peak value.
当文本集较分散或出现多峰值时，基于质心的文本分类算法分类效果很差。
In order to improve the precision of the method which is used to resolve Doppler centroid ambiguity of SAS, an improved method for the wavelength diversity algorithm is proposed in this paper.
为提高合成孔径声纳（SAS）解多普勒质心模糊的准确性，文章对传统的解模糊算法-波长差异法进行了改进。
The systematic optimization for the MEKC separation of PTC amino acids by using a dynamic scouting optimization method controlled weighted centroid variable size simplex algorithm was established.
采用控制加权可变步长单纯形算法对PTC氨基酸的毛细管胶束电动色谱分离体系进行动态优化。
In the designing of location algorithm, the three-bonier measurement was improved, and a location algorithm based on the centroid of square was given.
在定位算法的设计中，改进了三边测量法，给出了一种基于正方形形心的定位算法。
The moment-preserving thresholding method is used to pick-up targets, the mass centroid tracking algorithm and linear-fitting predicting approach are used to tracking targets.
采用矩持阈值分割方法提取目标，采用质心跟踪算法及基于线性微分拟合的记忆外推跟踪技术跟踪目标。
Base on the systematic analysis to the positioning algorithms for the scintillation gamma cameras, a centroid guided 3d maximum likelihood positioning algorithm was proposed.
本文在深入、系统地总结分析用于闪烁相机定位算法的基础上，提出了质心导引的三维最大似然定位算法。
The original centroid tracking algorithm is no longer suitable because of the speckle noise in ladar image.
然而常规形心跟踪算法因激光雷达图像受到散斑噪声影响而变得不适合。
This paper presents a new fast algorithm by analyzing the moment method, which is based on the character that the sum of distances between centroid and other points is the minimum.
通过对矩方法的进一步分析，提出基于目标质心与目标上各点间距离之和取得最小值这一特性的质心快速搜索策略。
This paper presents a new fast algorithm by analyzing the moment method, which is based on the character that the sum of distances between centroid and other points is the minimum.
通过对矩方法的进一步分析，提出基于目标质心与目标上各点间距离之和取得最小值这一特性的质心快速搜索策略。
应用推荐