亚像素边缘定位 sub-pixel edge location
Meanwhile, the grey-level segmentation is applied for extracting flaws from medical bottle. Finally, it elaborates glass bottle dimensions method by using sub-pixel positioning.
3．最后，阐述了亚像素定位法在玻璃瓶尺寸测量中的应用。
参考来源 - 基于图像处理技术的药用玻璃瓶检测系统The junction subpixel location error caused by image noise, feature scale and feature attribute was researched, and the subpixel location error of road featurecaused by gray difference of two sides was analyzed.
研究了图像噪声、特征尺度和特征属性对节点特征亚像素定位精度的影响,并分析了道路特征两侧灰度差对其亚像素定位精度的影响。
参考来源 - 基于卫星编队遥感图像的对地定位算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
亚像素定位技术是提高视觉系统分辨率的软件方法。
The sub-pixel location technology is a method to improve the resolution of a vision system through software.
方法中采用基于类椭圆边缘属性对特征区域进行自动识别，采用最小二乘椭圆拟合精确求取类椭圆亚像素定位中心。
In the method, the automatic identification of feature area is fulfilled based on the edge attribute, and the sub-pixel center location is accomplished with the least-square approach.
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。
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.
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