如何使用Python枕头定义模糊半径? [英] How to define radius for blur with Python Pillow?

问题描述

我正在尝试使用枕头模糊图像.readthedocs.io/en/3.2.x/reference/ImageFilter.html"rel =" noreferrer> ImageFilter 如下:

I'm trying to blur an image with Pillow, using the ImageFilter as follows:

from PIL import ImageFilter
blurred_image = im.filter(ImageFilter.BLUR)

这很好，除了它的设定半径对我来说太小了.我想对图像进行太多的模糊处理，以至于几乎无法识别它.在文档中，我看到半径设置为默认情况下为2 ，但是我不太了解如何将其设置为更大的值?

This works fine, except that it has a set radius which is way too small for me. I want to blur the image so much that it can be barely recognised anymore. In the docs I see that the radius is set to 2 by default, but I don't really understand how I can set it to a larger value?

有人知道如何使用Pillow来增加模糊半径吗?欢迎所有提示！

Does anybody have any idea how I could increase the blur radius with Pillow? All tips are welcome!

推荐答案

Image.filter()使用ImageFilter，因此您可以创建具有任意半径的ImageFilter.GaussianBlur实例，并将其作为命名参数传入.

Image.filter() takes an ImageFilter so you can create an ImageFilter.GaussianBlur instance with whatever radius you want, passed in as a named argument.

blurred_image = im.filter(ImageFilter.GaussianBlur(radius=50))

您甚至可以像这样使它更简洁:

You can even make it more concise like so:

blurred_image = im.filter(ImageFilter.GaussianBlur(50))

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