Furthermore, a new method of metal image edge detection was presented by binary image.
并根据金属图象分析要求，提出了先二值化金属图象再进行边缘提取的方法。
A drypoint is made from an image scratched directly into a metal or plastic plate.
一个铜版画是由一个图像搔直接进入金属或塑料盘。
A drypoint is made from an image scratched directly into a metal or plastic plate.
一个铜版画是由一个图像搔直接进入金属或塑料盘。
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