用于增强图像的 Fe 颜色矩阵值
我试图使用 FeColorMatrix 制作图像滤镜。但有这两个结果我无法实现。它们不是简单的灰度,我尝试设置不同的矩阵值以及亮度、饱和度、曝光度、对比度,但无法实现。你能帮我吗? 这是原始图片
这是应用第二个过滤器之后
我正在使用 此网站来操纵 fe 颜色矩阵值。
好的,我更接近第一个过滤器中显示的结果。我将亮度设置为 0,对于矩阵,我使用以下值:
10,0,0,0,0
0,10,0,0,0
0,0,10,0,0
-1,-1,-1,1 ,0
,我得到以下结果:
在这里,如果您看到其余一切都很好,但共享和保存图标和文本都消失了,并且在原始版本中过滤该部分非常清晰明亮。我尝试过的这些值可能有什么问题。
而实现这些过滤器的方法应该是可以在flutter应用程序中使用的。 任何帮助将不胜感激。谢谢。
I was trying to use FeColorMatrix to make image filters. But there are these 2 results I am not able to achieve. They are not simple GrayScale, I tried setting different values of matrix along with brightness, saturation, exposure, contrast but could not achieve it. Can you help me with it.
This is the original image
This is after applying first filter
And this is after applying second filter
And I am using this website to manipulate fe color matrix values.
Okay I got a bit closer to the result shown in first filter. I set brightness to 0 and for matrix I use these values :
10,0,0,0,0
0,10,0,0,0
0,0,10,0,0
-1,-1,-1,1,0
and i got the following result:
Here if you see rest all is good but that share and save icons and text all are gone and in the original filter that part is perfectly clear and bright. What could be wrong in these values I tried.
And the method to achieve these filters should be such that can be used in flutter apps.
Any help would be much appreciated. Thank you.
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