利用本算法，图像面积和周长的计算误差最大不超过2 % 。

Using this algorithm, the computation error of image area and girth is less than 2 percents.

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我们也可以添加一些额外的控制点在顶部的摩天大楼的地砖，以获得更均匀分布的控制点在整个图像面积。

Also we add a few extra control points at the top of the skyscrapers and on the tiles of the floor, to get a more even distribution of the control points across the entire image area.

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文中选择鸡蛋图像面积作为特征参数来衡量鸡蛋重量，由拟合分析得出图像面积和蛋重二者的相关性系数达到0.9922。

Extracting feature parameters of apparent quality, area of egg image is used to evaluating egg weight, the correlation coefficient is 0.9922.

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