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[P] Towards explainable video analysis – Visual Attention For Action Recognition

[P] Towards explainable video analysis - Visual Attention For Action Recognition

I am currently researching practical applications of action recognition models with use of attention models. I have decided to share lessons learned from implementing several ideas from research papers in this field. The network learns to classify images from HMDB-51 dataset and creates attention heatmaps which focus on different parts on the image and thus justify model’s decision. Heatmaps can be very accurate, to the point that one could probably use them for tracking.

Network attends to the relevant part of the video

The tutorial contains brief overview of action recognition and visual attention mechanisms. Then I present the network architecture and discuss the results of my project. Additionally, I include github repo with my implementation.

Here are the results!

I hope you guys find it interesting!

submitted by /u/dtransposed
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Toronto AI is a social and collaborative hub to unite AI innovators of Toronto and surrounding areas. We explore AI technologies in digital art and music, healthcare, marketing, fintech, vr, robotics and more. Toronto AI was founded by Dave MacDonald and Patrick O'Mara.