https://github.com/OpenGenus/vidsum/blob/f7fae60d83a3a9ee0b4e0e4f07057f2857faa2bf/code/sum.py#L14 https://github.com/OpenGenus/vidsum/blob/f7fae60d83a3a9ee0b4e0e4f07057f2857faa2bf/code/sum.py#L25
