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Hola TAG!
I'm requesting a TAG review of:
- Name: `lab()` and `lch()` CSS functions for colors.
- Specification URL: https://drafts.csswg.org/css-color-4/#specifying-lab-lch
- Tests: htt…
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I'm new to libvips and want to perform common image corrections like the adjustment of white balance, hue, brightness or tonal range. Are there tutorials/documentations covering these adjustments? I'm…
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I am trying to implement the APCA contrast algorithm into my PHP color library, and am trying to figure out what you're trying to do in your `sRGBtoY` function.
What it looks like you're doing is t…
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Hi,
first of all: great projekt!
This is a very helpfull tool.
Thank you for putting your time into it.
I have three suggestions:
1) A pattern export / render-mode that uses symbols for the d…
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Find a package that converts LAB color codes into RGB.
Wikipedia article on L\*a\*b*: https://en.wikipedia.org/wiki/CIELAB_color_space
*"The lightness value, L\*, also referred to as "Lstar," de…
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您好，我不了解lab的范围是怎么定下来的？
您使用的是color.rgb2lab 得到的lab的界限好像是l属于0~100，a和b属于-128~127
但是还有的代码是用的cv2换的颜色空间，cv2默认把l,a,b都归一化到了0~255
但是论文中又没有提到这个问题，请问你是怎么理解的呢
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Hi,
Thanks for all the work on this great library. I am slowly learning how to use it.
When converting colourspace to 'b-w' to threshold an image, I sometimes get an error when calling `$image…
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There are several variations of this theme in existence:
- http://www.neurobiologyofaging.org/article/S0197-4580(09)00296-6/
- http://www.mathworks.com/matlabcentral/fileexchange/26026-bipolar-colorma…
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Based on discussion on Twitter [see discussion here](https://twitter.com/samgardner_4/status/1590040476169621505?s=20&t=UjYMOjuu_0S4MqlrNrYj6Q), it would be great to have a Spectral colormap, with add…
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The WCAG 2.x contrast ratio calculation is unfortunately not a very accurate metric for text accessibility, especially for non-grayscale backgrounds. It would be great if this tool could bake in some …