图像魔法的光效
我正在使用 ImageMagick 将图像调整为较小尺寸的 gif。在这个过程中，我试图给图像带来光的效果，而不是侧光，就像全身都有闪亮的外观。这不是一个很好的比较，但为了更好地理解，请考虑在旧屏幕中看到的图像或在光滑显示器中看到的图像 - 我正在尝试增强最接近这一点的图像。重要的一点是我无法进行图像到图像的处理，它必须是我可以在所有图像中使用的东西。我知道 ImageMagick 是一个强大的工具，当然可以为我的图像做一些事情！ 非常感谢！
最接近的例子： http://images.sixrevisions.com/2009/05/01-02_high_pass_filter。 jpg
I'm using ImageMagick to resize an image to a smaller size gif. In this process I'm trying to give the image a light effect, not a side-light, just like a shiny look all over. Not a good comparison but for a better understanding think of an image seen in a old screen or an image seen in glossy monitor - I'm trying to enhance the image the closest to this point. An important point is that I can't make a image-to-image treatment, it must be something that I can use in all the images. I know ImageMagick is a powerful tool, and can certainly do something for my images!
Many thanks!
Closest example:
http://images.sixrevisions.com/2009/05/01-02_high_pass_filter.jpg
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我对你想要实现的目标仍然有点困惑，但也许这些会让你朝着正确的方向前进。
根据高通滤波器示例，您可能需要查看此页面 ，尤其是“真彩色图像的高通滤波”下方大约三分之二的位置，以及“带有偏差的滤波”下方的“高通变暗”示例。
示例中的颜色似乎也有点夸张，因此您可能需要查看调整使用直方图修改。
在您发布示例之前，我以为您正在寻找某种反射效果，例如玻璃按钮（您可以找到 此处，以及许多其他有趣的效果）。
如果这不能满足您的需求并且您可以更具体一点，请更新您的帖子...我相信这里有人可以帮助您。
I'm still a bit confused by what you're trying to accomplish, but maybe these will get you going in the right direction.
Based upon the high pass filter example, you may want to check out this page, especially about two-thirds of the way down under "High Pass Filtering Of A True Color Image", and the "High Pass Darkened" example a bit further down under "Filtering With Bias".
The color in the example also seems a bit more exaggerated, so you may want to look at Adjustments Using Histogram Modification.
Before you had posted the example, I thought you were looking for some kind of reflection effect, like a glass button (which you can find examples for here, along with a bunch of other interesting effects).
If this doesn't meet your needs and you can be a bit more specific, please update your post...I'm sure somebody here can help you.
一种方法是使用面罩。有关示例，请参阅这篇文章。它使用 Python 和 PIL，但使用 ImageMagick 也可以完成同样的事情。
One way would be to use a mask. See this post for an example. It uses Python and PIL but the same thing can be done using ImageMagick.