Helps remove watermark from a pdf document
skimage >0.16.2 numpy >1.17.4 pdf2image >1.11.0
pip install skimage pip install numpy pip install pdf2image
put the watermarked pdf file into the same directory as the code and rename it as test.pdf then run the script watermark removal.py by opening a command line in the same directory as the code and typing python watermark-removal.py
the pdf file whose watermarking has been removed by the script shall be stored in the same directory that the script was run from