How to extract frames from a GIF file preserving frame dimensions

ImagemagickGif

Imagemagick Problem Overview

I have the following GIF image file:

original gif image

I want to extract its frames (using PGM output format) using this imagemagick command:

convert brocoli.gif out%05d.pgm

But each frame has a different size.

How can I extract its frames while preserving the original gif file size?

Imagemagick Solutions

Solution 1 - Imagemagick

Use the -coalesce option:

convert -coalesce brocoli.gif out%05d.pgm

Solution 2 - Imagemagick

You can use graphicsmagick:

gm convert Test.gif +adjoin Test_image%3d.png

or

gm convert Test.gif -coalesce +adjoin Test_image%3d.png.

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Content TypeOriginal AuthorOriginal Content on Stackoverflow
QuestionJoe CabezasView Question on Stackoverflow
Solution 1 - ImagemagickphreakheadView Answer on Stackoverflow
Solution 2 - ImagemagickMrKhanView Answer on Stackoverflow