Mathematica > Data Manipulation > Image Processing & Analysis > Color Processing > RemoveAlphaChannel
Mathematica > Visualization and Graphics > Graphics Options & Styling > Colors > Color Processing > RemoveAlphaChannel
Mathematica > Visualization and Graphics > Symbolic Graphics Language > Graphics Directives > Colors > Color Processing > RemoveAlphaChannel
BUILT-IN MATHEMATICA SYMBOL

RemoveAlphaChannel

RemoveAlphaChannel[image]
removes all opacity information from image.

RemoveAlphaChannel[image, c]
removes opacity by blending all pixels with the background color c.

DetailsDetails

ExamplesExamplesopen allclose all

Basic Examples (2)Basic Examples (2)

Drop the alpha channel from an image:

In[1]:=
Click for copyable input
Out[1]=

Remove opacity by blending with a white background:

In[1]:=
Click for copyable input
Out[1]=

Scope (2)Scope (2)

Applications (1)Applications (1)

Top
New in 8 | Last modified in 9
Send Feedback
Mathematica 9 is now available!

400+ new features, including the new Wolfram Predictive Interface, social network analysis, enterprise CDF deployment, and more »

Try Now
Buy/Upgrade
New to Mathematica? Find your learning path »
Have a question? Ask support »