Broken links

[ndsvw]

Hello, I found some broken links:

• https://revery.ai/demo.html (file: README.md, status code: 404)
• https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4140115 (file: README.md, status code: 410)
• https://homes.esat.kuleuven.be/~liqianma/CVPR18_DPIG/index.html (file: README.md, status code: 404)

[minar09]

Thanks, if possible can you please submit a pull request? That would be great. Thank you.