Top "Rgb" questions

RGB stands for Red-Green-Blue and specifies a color using three values, which represent the respective amount of red, green, and blue in the color.

how to calculate Brightness of RGB color?

i've got my function: -(void)rgbToHSBWithR:(float)red G:(float)green B:(float)blue { float brightness = red * 0.3 + green * 0.59 + blue * 0.11; // …

objective-c rgb brightness hsb
cmyk to rgb using php

I'm using the following script to save images on a folder, but there is one image that shows this message "…

php image rgb cmyk
Converting JPEG colorspace (Adobe RGB to sRGB) on Windows (.Net)

I need to generate thumbnail and medium sized images from large photos. These smaller photos are for display in an …

.net asp.net rgb color-space
How can I generate a rainbow circle using HTML5 canvas?

I would like to generate a canvas image using gradients in some clever way. I would like the image to …

javascript canvas rgb color-space hsl
YUV to RGBA on Apple A4, should I use shaders or NEON?

I'm writing media player framework for Apple TV, using OpenGL ES and ffmpeg. Conversion to RGBA is required for rendering …

ios opengl-es-2.0 rgb yuv apple-tv
Find a color's pixel coordinates

I am making a program in Visual Studio C# that can detect a color, then find the x, y coordinate …

c# image-processing rgb pixels argb
Formula to increase brightness of RGB?

Quick question! I have an R G B value and I want to convert to convert it to be 50% brighter. …

image rgb gamma
Fade through more more natural rainbow spectrum in HSV/HSB

I'm trying to control some RGB LEDs and fade from red to violet. I'm using an HSV to RGB conversion …

colors rgb hsv
OpenNI RGB image to OpenCV BGR IplImage conversion?

The image which one can get from OpenNI Image Meta Data is arranged as an RGB image. I would like …

opencv rgb openni bgr
Lossless RGB to Y'CbCr transformation

I am trying to losslessly compress an image, and in order to take advantage of regularities, I want to convert …

rgb color-space lossless-compression