The subpixel line equations of two generatrices in two planes projected by the rotary object is obtained by the subpixel straight line edge detection method based on spatial moment.
采用基于空间矩的回转体像面目标直线边缘亚像素提取技术，获得回转体目标在每个像面上的两条母线的亚像素直线方程。
One, two, three ... three times at the other ... so eight specific actions by him, knocking it with another stone, to take off a flake, and to leave this almost straight line, which is a sharp edge.
所以他不多不少恰恰打了八次，利用其他石头来打磨它，敲掉一小薄片，留下这边面几乎呈现直线，边缘相当之锋利。
To make clean straight folds in cardboard, first make a crease along the line with a blunt edge such as a spoon handle, then fold against a firm straight edge.
为了使清洁直纸板折叠，先如勺子处理沿钝边行折痕，然后对折直边坚定。
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