After getting pixel stripes with edge detection algorithm, the high precision strips could be detected by sub-pixel technology.
利用边缘提取算法获得像素级条纹后，再利用亚像素技术可以进一步对条纹进行高精度提取。
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；
The location precision is improved to 1/3 pixel by performing sub - pixel edge detection in fiducial satellite photo image.
采取对基准图卫片中特征进行亚像元精度特征定位的方法，可以将匹配精度提高到1／3个像素以内。
The correction of camera optics distortion and sub-pixel method for image processing can reduce the error of target image orientation for the precision improvement of system measuring.
摄像机光学畸变的修正以及图像处理的亚像素定位方法，减小了目标图像的定位误差，提高了系统的测量和调整的精度。
Using correlation calculation to further subdivide gray project data, precision of image motion characteristic position information was improved, and sub pixel image motion vector could be gotten.
而通过采用相关计算进一步细分灰度投影数据，可以提高图像运动特征位置信息的精度，获得亚像元级的图像运动矢量。
The least-squares ellipse fitting method is used to the sub-pixel image edges to get more accurate sub-pixel ellipse center coordinates, and further improve the precision of camera calibration.
对亚像素边缘进行最小二乘椭圆拟合，得到更精确的亚像素椭圆中心坐标，从而可以进一步提高相机标定的精度。
At last, target sub-pixel subdivision of target localization is put forward, as a result increasing the precision the difficulty on hardware is solved.
最后，本文提出TARGET亚像素细分的靶标定位技术，解决了硬件提高精度的困难。
The correlation method is used to process the data and then obtain the sub-pixel measuring precision.
采用相关法处理数据，实现了亚像素测量精度。
A high precision method based on the phase congruency features was presented in this paper for automated evaluating sub-pixel band-to-band registration accuracy of satellite multispectral imagery.
文章实现了一种基于相位一致特征的多光谱图像亚像元波段配准精度自动评价方法。
In order to effectively improve the precision of the astronomical determination of space target, sub-pixel positioning technology research is very important for CCD exploration images.
为了有效的提高目标星象的天文定位精度，CCD观测图像的亚象素级高精度质心定位技术的研究至关重要。
Digital imaging device model and the calibration and high precision sub-pixel positioning is the core technology in digital photogrammetry.
数字成像器件模型及标定和高精度亚象素定位技术是数字摄影测量中的核心技术。
Experimental results indicate that the optimum method has a faster image registration speed and a better image registration precision. The registration results reach the level of sub-pixel.
实验结果表明，此优化方法不仅提高了计算速度，而且提高了配准精度，配准结果达到了亚像素级水平。
Experimental results indicate that the optimum method has a faster image registration speed and a better image registration precision. The registration results reach the level of sub-pixel.
实验结果表明，此优化方法不仅提高了计算速度，而且提高了配准精度，配准结果达到了亚像素级水平。
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