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Tensorboard Image Extractor

What is this program and why?

This is short script to extract images and create animated gif from there using a tensorboard event file. Unfortunatly this feature is not native inside tensorboard, inside which only the graphing data can downloaded (in csv or json format). The only other program which I found that did a similar thing is which I took inspiration from.

How to use it

The repository can be clone with git and the you will maybe need to install some dependencies (like tensorboard):

pip3 install -r requirements.txt

You can then run it:

python3 -i event.db

You can get some help by running:

python3 --help 

Tensorboard datastructure

The following diagram describes a tree of the log directory found in all machine learning experiment with a tensorboard writer.

├── lupo
│   ├── args.txt
│   ├── config.txt
│   ├── model_005000.pth
│   ├── model_010000.pth
│   ├── model_015000.pth
│   ├── model_020000.pth
│   └── model_025000.pth
└── summaries
    └── lupo
        └── events.out.tfevents.1623155921.pop-os

The file which contains all data and images is the event file in logs/summaries/{run name}/events. It can be fairly large because every image is stored inside in binary format.


You can create an animated gif, only keeping images with a certain tag:

python3 -i -t "train/level_1/rgb" -o train_level_1_rgb_24h.gif --gif


In order to create a gif from a 900 MB event file, it took me just over an hour. This is due to the fact that Python has to do the I/O reading from binary data and converting the whole file, which is remarkably slow.

It can create large gif files. In the experiment described above the images of a single tag was kept and it created a 52 MB gif file.


This program is distributed under GNU GNL v3 or later License, which you can find a copy of in the repository. This program comes with ABSOLUTELY NO WARRANTY

Tensorboard Image Extractor - Copyright (C) 2021 - Otthorn