Summary of paper Quo Vadis, Action Recognition? A New Model and the Kinetics Dataset
4 views 0 purchase
Course
CS4245
Institution
Technische Universiteit Delft (TU Delft)
This is a summary of the paper Quo Vadis, Action Recognition? A New Model and the Kinetics Dataset for the course Seminar of Computer Vision by Deep Learning in TU Delft
Quo Vadis, Action Recognition?
A New Model and the Kinetics
Dataset
This paper aims to provide an answer to the question. Whether training an
action classification network on sufficiently large datasets will give a similar
boost in performance when applied to different temporal task or dataset.
This paper uses the Kinetics Human Action Video Dataset which is two orders
of magnitude larger than previous datasets.
Action Classification Architectures
Some of the major differences in current video architectures are whether the
convolutional and layers operators use 2D or 3D kernels; whether the input to
the network is just and RGB video or it also includes pre-computed optical flow
and in the case of 2D ConvNets, how information is propagated across frames,
which can be done either using temporally-recurrent layers such as LSTMs or
feature aggregation over time.
This paper considers ConvNets with LSTMs on top and two-stream networks
with two different types of stream fusion. Also consider a 3D ConvNet: C3D.
They also introduce a new architecture Two-Stream Inflated 3D ConvNets
(I3D).
Many of these models (all but C3D) have an ImageNet pre-trained model as a
sub-component. Our experimental strategy assumes a common ImageNet pre-
trained image classification architecture as a back bone.
Quo Vadis, Action Recognition? A New Model and the Kinetics Dataset 1
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller guillemribes. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.67. You're not tied to anything after your purchase.
