Aiming at two kinds of microscope debris images, the debris objects are effectively extracted by selecting correct color characters.

针对两类彩色显微磨粒图像，选用适当的正交彩色特征，实现了对磨粒目标的有效提取。

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Despite being under the media microscope for the last four years, the hospital has also had time - and money - to correct the problems on its wards that first brought it to the public's attention.

BBC: Rebuilding trust at Stafford Hospital