Before revision:  Different from previous work that mostly focused on cooking or narrated instructional videos, HERO is jointly trained on HowTo100M and large-scale TV show datasets to learn complex social scenes, dynamics backdrop transitions and multi-character interactions.
After revision:  Different from previous work that mostly focused on cooking or narrated instructional videos, HERO is jointly trained on HowTo100M and large-scale TV datasets to gain deep understanding of complex social dynamics with multi-character interactions.