Visual Representations of Physiological Signals for Fake Video Detection

no code implementations • 18 Jul 2022 • Kalin Stefanov, Bhawna Paliwal, Abhinav Dhall

We investigate two strategies for combining the video and physiology modalities, either by augmenting the video with information from the physiology or by novelly learning the fusion of those two modalities with a proposed Graph Convolutional Network architecture.

Misinformation

NGAME: Negative Mining-aware Mini-batching for Extreme Classification

no code implementations • 10 Jul 2022 • Kunal Dahiya, Nilesh Gupta, Deepak Saini, Akshay Soni, Yajun Wang, Kushal Dave, Jian Jiao, Gururaj K, Prasenjit Dey, Amit Singh, Deepesh Hada, Vidit Jain, Bhawna Paliwal, Anshul Mittal, Sonu Mehta, Ramachandran Ramjee, Sumeet Agarwal, Purushottam Kar, Manik Varma

This paper identifies that memory overheads of popular negative mining techniques often force mini-batch sizes to remain small and slow training down.

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