[CVML] Ivan Laptev on Human Action Recognition
Last Thursday, Ivan Laptev talked about "Human Action Recognition" at the CVML. This is not really my area so while I really liked his very enthusiastic talk, I won't say much about it ;) What I liked about it most was how it was motivated. From a computer vision perspective, I felt human action recognition was somewhat peripheral to current research - surely with many interesting applications but not central to the field. However, Ivan Laptev had two arguments for human action recognition to be a center piece of visual understanding: Most of the data out there - in particular videos - show people: 35% of the pixels in TV and movies belong to people, 40% on youtube. Laptev concludes that video analysis is human action analysis. The semantics of objects can often be inferred from humans interacting with it. Instead of the classical "chair" example, Laptev showed a "luggage train": the thing in the airport you pick up your luggage from. Even if ...