AI & Computational Science

LAION-BVD: A 13-Million-Hour Open Video Dataset for Multimodal Pre-training

How the science connects

Machine learningComputer visionMultimodal learning

AI Insight

LAION-BVD is a large-scale open video dataset comprising 80 million downloaded videos totaling 13.5 million hours, collected from 1.3 billion video URLs sourced through CommonCrawl. The dataset uses content-aware scene detection to extract clips with synthetically generated video and audio captions, designed for multimodal pre-training across video, audio, and image modalities. Models trained on this dataset demonstrate competitive performance on standard video-text and audio-text benchmarks, with performance improving as training and model scale increase.


This dataset significantly expands open access to multimodal video data at an unprecedented scale, providing researchers with a freely available resource for developing and training AI models that can understand and process video, audio, and image content together. The extracted scene-changing frames also offer an alternative source of image-text training data with visual characteristics distinct from typical web image datasets.


⚠️ Preprint – Noch nicht peer-reviewed

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Abstract: We present LAION-BVD (LAION – Big Video Dataset), a large-scale open video dataset for multimodal learning, which contains 1.3B platform-specific video URLs collected from CommonCrawl. From these, we download 80M videos with a total duration of 13.5 million hours. The dataset is designed for multimodal pre-training across the video, audio, and image modalities. Using content-aware scene detection, we extract clips for which we synthetically generate video and audio captions. Models trained on these data achieve competitive performance on standard video-text and audio-text benchmarks, with consistent improvements as training or model scale increases. Additionally, we explore video frames as an alternative source of image-text data by extracting scene-changing frames. These frames exhibit a visual distribution distinct from standard web image corpora, and models trained on this dataset achieve strong image-text retrieval performance. We release LAION-BVD to the research community. It significantly expands open access to multimodal videos at an unprecedented scale.

Source: LAION-BVD: A 13-Million-Hour Open Video Dataset for Multimodal Pre-training