HateMM: A Multi-Modal Dataset for Hate Video Classification

Abstract

Hate speech has become one of the most significant issues inmodern society, having implications in both the online and theoffline world. Due to this, hate speech research has recentlygained a lot of traction. However, most of the work has pri-marily focused on text media with relatively little work on im-ages and even lesser on videos. Thus, early stage automatedvideo moderation techniques are needed to handle the videosthat are being uploaded to keep the platform safe and healthy.With a view to detect and remove hateful content from thevideo sharing platforms, our work focuses on hate video de-tection using multi-modalities. To this end, we curate∼43hours of videos from BitChute and manually annotate themas hate or non-hate, along with the frame spans which couldexplain the labelling decision. To collect the relevant videoswe harnessed search keywords from hate lexicons. We ob-serve various cues in images and audio of hateful videos. Fur-ther, we build deep learning multi-modal models to classifythe hate videos and observe that using all the modalities ofthe videos improves the overall hate speech detection perfor-mance (accuracy=0.798, macro F1-score=0.790) by∼5.7%compared to the best uni-modal model in terms of macro F1score. In summary, our work takes the first step toward under-standing and modeling hateful videos on video hosting plat-forms such as BitChute.

Publication
International AAAI Conference on Web and Social Media

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