Cord, a computer vision annotation automation platform, has raised an estimated $4.5 million in a seed funding round. : Cord, a startup automating annotation processes for computer vision, today announced that it raised $4.5 million in a seed round led by Y Combinator, Harvard University, and others. CEO Eric Landau says that the capital will be put toward expanding Cord’s customer base and platform as the company looks to hire additional employees. Training AI and machine learning algorithms requires plenty of annotated data. But data rarely comes with annotations.