目前，反图像垃圾邮件的研究比较少，且属于探索性质，还没有成熟的算法，公开的垃圾图像语料库也非常少。

And most of work we do now is just a kind of explore, and there is a lack of corpus library in public.

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为提取垃圾邮件图像中文字的角点信息，提出一种新的基于图像边缘和圆形模板的角点检测算法。

Combining edge extraction methods and a circular template, this paper proposes a new method for detecting corners of text in spam images.

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这就需要对图像型垃圾邮件进行研究。

We need to research on the image spam.

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