... selective absorption 选择吸收 selective extraction 选择提取 selective isotope absorption 选择性同位素吸收 ...
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在选项菜单，您可以选择提取帧每一个第二十分之一。
Under the Options menu, you can choose to extract a frame every one tenth of a second.
该方法首先进行中值滤波消除图像脉冲噪声，然后计算图像局部熵进行阈值选择提取目标边缘，最后进行边缘连接分割出目标区域。
The method eliminates impulse noises by median filtering then extracts edges by Otsu's thresholding based on local entropy of image, connects discrete edges and detects objects regions.
然后您就可以浏览并选择希望提取的项。
You can then browse and select the items you wish to be extracted.
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