Top "Color-channel" questions

"Channel" is a conventional term used to refer to a certain component of an image.

Normalizing color channels of and image by intensity values, OpenCV

I have split an image into 3 separate color channels - one blue, one green, and one red. I would like …

c++ opencv normalization color-channel
How to set given channel of a cv::Mat to a given value efficiently without changing other channels?

How to set given channel of a cv::Mat to a given value efficiently without changing other channels? For example, …

c++ opencv matrix alpha-transparency color-channel
PNG Transparency on Canvas

Does canvas support PNG alpha? Im having some issues with a few PNGs that I've added to the canvas. The …

canvas png transparency alpha color-channel
Isolating Red/Green/Blue Channel in Java BufferedImage

How to isolate red/green/blue channel in BufferedImage: I have following code that does NOT work:` public static BufferedImage …

java image-processing colors bufferedimage color-channel
Android Edit Bitmap Channels

It's possible to access the alpha channel of a given bitmap with extractAlpha(), but I haven't been able to find …

java android bitmap paint color-channel