This question is part of the Hill Climbing Round of the Forecasting AI Progress Tournament. You can view all other questions in this round here.
arXiv is a repository of electronic preprints approved for posting after moderation, but not full peer review. It consists of scientific papers in the fields of mathematics, physics, astronomy, electrical engineering, computer science, quantitative biology, statistics, mathematical finance and economics, which can be accessed online.
Many machine learning articles will be posted on arXiv before publication. In theoretical computer science and machine learning, over 60% of published papers have arXiv e-prints (Sutton et al. 2017).
Computer vision is a field that deals with how computers can gain high-level understanding from digital images or videos. Pattern recognition is the related problem of recognition of patterns and regularities in data.