Monash IT Student Research (iSR) Scheme 2020

Topic: Data Hiding (Animated GIF)

By: Yap Jin Heng

Mentor: A/Prof. Dr. Wong Kok Sheik

Dependencies

1. Gifsicle
2. ImageMagick
3. Python and the following libraries:
   • NumPy
   • Pillow
   • tqdm

HOWTO:

Hide and extract data in a GIF file

1. Download and install the dependencies above.
2. From the terminal, run the following command:

   python main.py {INPUT_GIF} {OUTPUT_GIF} [-v]
   

   • The -v flag is optional, where it performs additional validation after extracting data.
3. If any modifications need to be done, perform them in main.py.

Analyse GIF files

1. Download and install the dependencies above.
2. Edit and run the functions in gif_analyser.py as necessary.