An approach is proposed that this deviation can be obtained by using the weld pool image centroid and a Kalman filter.
为此提出一种利用熔池图像质心和卡尔曼滤波来间接获取电弧与焊缝偏差的方法。
This paper develops the measuring model of image centroid based on imaging sensor, and then converts it to the angular measuring one.
分析了基于成象和雷达两种传感器对目标状态的测量模型及其融合模型。
A method for tracking multiple targets based on measurement of target image centroid position and offset from image sequence is presented.
介绍了一种以目标形心位置和帧间位移测量的多目标跟踪方法。
Based on the study of the influence of the quantification noise and the gray level noise on target feature image, the error model of the target feature image centroid coordinates is built.
深入研究了灰度噪声、量化噪声对目标特征图像的影响及其误差模型，并由此建立了目标特征图像质心坐标提取误差模型。利用仿真试验分析了灰度噪声、量化噪声导致的航天器间相对状态参数测量的误差分布。
This paper develops the measuring model of image centroid based on imaging sensor, and then converts it to the angular measuring one. The measuring model based on radar sensor is also presented.
分析了基于成象和雷达两种传感器对目标状态的测量模型及其融合模型。
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。
Applying the radial section scanning method based on gray centroid, the image edges are tested with a sub-pixel precision.
采用基于灰度质心法的径向截面扫描法对图像边缘进行亚像素级检测；
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。
The image post-processing includes image connectivity processing, interference stripe suppression and centroid normalization.
图像后处理包括图像连通处理、干扰条纹抑制、图像质心归一化等。
Centroid: The "center of gravity" of the image of an object, defining the position of the object with subpixel precision.
质心：图片中一个目标的“质心”，精确到比像素更高一级。
The geometrical invariant space is constructed by using image normalization. A significant region is obtained from the normalized image by utilizing the invariant centroid theory.
方案利用归一化技术将原始图像映射到几何不变空间内，结合不变质心理论提取出归一化图像的重要区域；
When the overlap of target occurs, the resulting centroid measurement of distributed image is a single merged measurement which is a linear combination of the centroids of individual targets.
当目标在传感器视场中交叉运动，图像相互重叠时，得到由两个目标形心位置线性组合的融合后的图象测量方程。
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。
The inaccurate Doppler centroid estimation can evidently degrade the quality of SAS image.
不准确的多普勒中心估计会显著降低合成孔径声纳图像质量。
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 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。
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