用于校正和裁剪图像的Java图像库 [英] Java image library to deskew and crop images

问题描述

是否有人建议对图像执行自动裁剪和校正的Java库（如从平板扫描仪中检索到的那些）？

Does anybody have a suggestion for a java library that performs automatic cropping and deskewing of images (like those retrieved from a flatbed scanner)?

推荐答案

ImageMagick 可以做到这一点;您可以使用 ImageMagick Java绑定。 自动裁剪运算符可能就是您所需要的。自动纠偏是一个更难的问题，涉及一些重要的图像处理;我不确定ImageMagick是否可以处理。如果你能用其他东西找出偏斜参数，ImageMagick绝对可以为你解开它。

ImageMagick can do that; you can use the ImageMagick Java bindings. The auto-crop operator is probably what you're looking for. Automatic deskewing is a much harder problem and involves some significant image processing; I'm not sure if ImageMagick can handle that. If you can figure out the skewing parameters using something else, ImageMagick can definitely unskew it for you.

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