PHP的GD清晰度过滤器 [英] PHP GD sharpness filter

问题描述

如何使用 PHP GD 库创建清晰度过滤器？

为了...

转到...

PHP 不可能，那么比其他语言我认为他想使用PHP的GD库。这是一个很好的解决方案。这很简单： function.imageconvolution 。只要搜索页面上的锐化，你会看到一个矩阵，你可以用来锐化。它工作得很好，虽然我会推荐使用ImageMagick，如果你正在尝试做更多的事情。

How can you make a sharpness filter with the PHP GD library?

So that this...

Turns to this...

If it is not possible with PHP, than what other languages are capable?

解决方案

I think he wants to use PHP's GD library. It's pretty easy: function.imageconvolution. Just search for 'sharpen' on the page and you'll see a matrix you can use for sharpening. It works pretty well, although I would recommend using ImageMagick if you're trying to do anything more than that.

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