rgb

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"00" becomes "0" in PHP function, but it must be "00" for RGB to work. How?

this PHP RGB brightness altering function works partially: It misses one zero \"0\" at the end: so it should be \"00\" How to solve this?[详细]

2023-02-14 18:37 分类：问答
Check if a pixel (RGB or HSV) is contained in a color scale range, how

I need to check if a pixel (RGB) is contained in the color scale ranging from very light pink to dark purple.[详细]

2023-02-14 08:51 分类：问答
Max color used in a RGB image

I have some RGB images. What\'s the best way to know most color used in an image is Red or Yellow or White?[详细]

2023-02-13 17:36 分类：问答
How do I make a lighter version of a colour using PHP?

Hello fellow earthlings. A quesion about RGB color and its usefulness in a simple tiny php code: Imagine I have variable $colorA containning a valid six char color. say B1B100, a greenish natural col[详细]

2023-02-13 14:53 分类：问答
Python RGB array to HSL and back [duplicate]

This question already has answers here: Detecting th开发者_运维知识库resholds in HSV color space (from RGB) using Python / PIL[详细]

2023-02-13 02:50 分类：问答
Fast RGB => YUV conversion in OpenCL

I know the following 开发者_运维知识库formula can be used to convert RGB images to YUV images. In the following formula, R, G, B, Y, U, V are all 8-bit unsigned integers, and intermediate values are 1[详细]

2023-02-10 16:26 分类：问答
Conversion between RGB and RYB color spaces

I am currently trying to convert colours between RGB (red, green, blue) colour space and RYB (red, yellow, blue) colour space and back again.[详细]

2023-02-10 00:42 分类：问答
CMYK to RGB formula of Photoshop

Is there a place where I can get the formula which photo开发者_JAVA技巧shop uses to convert rgb to cmyk?[详细]

2023-02-08 19:16 分类：问答
FreeImage portable float map (PFM) RGB channel order

I\'m currently using FreeImage to load PFMs into a program that otherwise uses IplImages (the old data type for OpenCV). Here\'s a sample of what I\'m doing (ignore the part about img being an array o[详细]

2023-02-08 10:05 分类：问答
RGB to CMYK and back algorithm

I am trying to implement a solution for calculating the conversion between RGB and CMYK and vice versa. Here is what I have so far:[详细]

2023-02-08 00:14 分类：问答