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Image Channels

Tool to separate different channels (RGB, CMYK, HSV) in an image. The separation of the channels is used for component analysis of colors in an image.

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Image Channels -

Tag(s) : Image Processing

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Image Channels

Channels Separation

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Answers to Questions (FAQ)

What are channels of an image? (Definition)

Colors are usually represented with several components, channels that can describe them. In computer, the display (via a screen) is achieved by 3 color components, the red, green and blue channels (RVG or RGB). In print (on paper), printing is done in four color components: the cyan, magenta, yellow and black channels.

On the web in general, the current representation is an encoding that uses additive colors with 3 components: red (R), green (G) and blue (B) (called RGB channels).

In all cases, from a color image, it is possible to separate each of the channels.

Example: Blue Channel blue

What are CMYK channels?

In printing, the current representation is an encoding that uses subtractive colors with 4 layers: cyan, magenta, yellow and black (key) (see CMYK channels separation).

What are TSL channels?

In science and photography, prefer using a vector space of color with 3 parameters: hue, saturation and brightness (value), hence the name HSV channels.

Source code

dCode retains ownership of the "Image Channels" source code. Any algorithm for the "Image Channels" algorithm, applet or snippet or script (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or any "Image Channels" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) or any database download or API access for "Image Channels" or any other element are not public (except explicit open source licence like Creative Commons). Same with the download for offline use on PC, mobile, tablet, iPhone or Android app.
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Cite dCode

The content of the page "Image Channels" and its results may be freely copied and reused, including for commercial purposes, provided that dCode.fr is cited as the source. Exporting the results is free and can be done simply by clicking on the export icons ⤓ (.csv or .txt format) or ⧉ (copy and paste).
To cite dCode.fr on another website, use the link: https://www.dcode.fr/image-channels
In a scientific article or book, the recommended bibliographic citation is: Image Channels on dCode.fr [online website], retrieved on 2025-04-16, https://www.dcode.fr/image-channels

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