RemoveAlphaChannel

RemoveAlphaChannel[image]

removes all opacity information from image.

RemoveAlphaChannel[image,c]

removes opacity by blending all pixels with the background color c.

Details

Examples

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Basic Examples  (2)

Drop the alpha channel from an image:

Remove opacity by blending with a white background:

Scope  (4)

Remove an opaque mask from a grayscale image:

Remove opacity by blending with a pink background:

Remove the alpha channel from a 3D image:

Blend with a black background:

Applications  (1)

Create artistic effects using alpha blending:

Properties & Relations  (2)

On an image with no alpha channel, the input image is returned:

Remove the alpha channel using ColorSeparate followed by ColorCombine:

Wolfram Research (2010), RemoveAlphaChannel, Wolfram Language function, https://reference.wolfram.com/language/ref/RemoveAlphaChannel.html (updated 2012).

Text

Wolfram Research (2010), RemoveAlphaChannel, Wolfram Language function, https://reference.wolfram.com/language/ref/RemoveAlphaChannel.html (updated 2012).

BibTeX

@misc{reference.wolfram_2020_removealphachannel, author="Wolfram Research", title="{RemoveAlphaChannel}", year="2012", howpublished="\url{https://reference.wolfram.com/language/ref/RemoveAlphaChannel.html}", note=[Accessed: 02-December-2020 ]}

BibLaTeX

@online{reference.wolfram_2020_removealphachannel, organization={Wolfram Research}, title={RemoveAlphaChannel}, year={2012}, url={https://reference.wolfram.com/language/ref/RemoveAlphaChannel.html}, note=[Accessed: 02-December-2020 ]}

CMS

Wolfram Language. 2010. "RemoveAlphaChannel." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2012. https://reference.wolfram.com/language/ref/RemoveAlphaChannel.html.

APA

Wolfram Language. (2010). RemoveAlphaChannel. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/RemoveAlphaChannel.html