如果需要更频繁地清除图像，则可能要创建数个图像注册表，并按需要直接清除图像。
If you need to dispose of images more often than that, you might want to create several image registries and dispose of the images directly as required.
文章介绍了在BMP文件格式中，如何使用最简便的方法，快速清除图像中的噪声，重点探讨了图像收缩与扩展的原理和方法。
This paper introduce a simple method to clear image noise in BMP file. The focal points of the study are about the principle and method of image shrinking and thickening.
不管怎样，原理都是一样的：图像是通过清除污垢而形成的。
Either way, it's the same principle: the image is made by cleaning away the dirt.
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