MATLAB COMPILER RELEASE NOTES Guide de l'utilisateur Page 401

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Graphics and 3-D Visualization
16-21
Graphics and 3-D Visualization
Functions Previously Only Available in the Image Processing Toolbox
Now Available in MATLAB
The following functions have been added to MATLAB from the Image Processing Toolbox:
• rgb2ind: Convert RGB image to indexed image.
• dither: Convert image using dithering.
• cmunique: Eliminate unneeded colors in colormap of indexed image.
• cmpermute: Rearrange colors in colormap.
• imapprox: Approximate indexed image by one with fewer colors.
Compatibility Considerations
• The dither and imapprox functions no longer display their output as an image via
a call to imshow when called with no output arguments. Instead, the first output
argument appears in the Command Window if no semicolon ends the line.
• Function rgb2ind errors when called with syntax rgb2ind(rgb).
• Function imapprox errors when called with syntax imapprox(x,map).
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