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。
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。
The principle of sub pixel subdivision positioning, measuring method for the pointing accuracy and the attainable accuracy are introduced in the paper.
本文介绍了亚象素细分定位的原理，瞄准精度的测量方法，以及所能达到的精度。
Through ideal light bar method, some representative sub-pixel algorithm were compared for the capability of positioning circular arc edge.
利用理想光条法，比较了几种有代表性的亚像素算法对于圆弧状边缘的定位能力。
Therefore, the sub-pixel algorithm in edge precise positioning was widely researched.
因此，用于边缘精确定位的亚像素算法已被广泛研究。
Therefore, the sub-pixel algorithm in edge precise positioning was widely researched.
因此，用于边缘精确定位的亚像素算法已被广泛研究。
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