在图像灰度化的阶段是采用了加权平均值的方法。
The weight-average method was applied to make the original image to the grayscale image.
对灰度化算法进行了改进，目的是较容易的提取兴趣点和目标。
The graying arithmetic is improved in order to pick up interest point and target easily .
对灰度化算法进行了改进，目的是较容易的提取兴趣点和目标。
The graying arithmetic is improved in order to pick up interest point and target easily .
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