How to Create Videos and Animated GIFs from Image Sequences in Python?

Creating Videos and Animated GIFs in Python

When faced with the task of transforming a series of images into a video or an animation, many assume that PIL (Python Imaging Library) can handle it. However, as the inquiry in this post reveals, PIL might not always deliver the desired results.

The issue arises from the nature of GIFs and videos as sequences of frames. PIL is primarily designed for image manipulation, not specifically for creating and manipulating sequences. This limitation has led to an alternative solution: employing a library specifically tailored for the task.

Enter imageio, an advanced library developed with the sole purpose of handling image sequences and creating animations and videos. Imageio offers a user-friendly interface with a wide range of features and capabilities.

For a quick and efficient approach, simply load your frames into a list:

<code class="python">import imageio
images = []
for filename in filenames:
    images.append(imageio.imread(filename))</code>

Then, save the images as a GIF:

<code class="python">imageio.mimsave('/path/to/movie.gif', images)</code>

For longer sequences, it's recommended to utilize the streaming approach:

<code class="python">import imageio
with imageio.get_writer('/path/to/movie.gif', mode='I') as writer:
    for filename in filenames:
        image = imageio.imread(filename)
        writer.append_data(image)</code>

By leveraging the capabilities of imageio, you can effortlessly generate high-quality videos and GIFs from your image sequences, achieving the desired visual impact without requiring complex image manipulation.

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