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arXiv · 2606.11783

A Comprehensive Ecosystem for Open-Domain Customized Video Generation

Jingxu Zhang·Yuqian Hong·Daneul Kim·Kai Qiu·Qi Dai·Jianmin Bao·Yifan Yang·Xiaoyan Sun·Chong Luo
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Abstract

Recent progress in video generation has shown impressive visual synthesis capabilities. However, open-domain customized video generation remains limited by the lack of large-scale, annotated datasets capturing diverse identity-specific attributes. To address this, we introduce PexelsCustom-1M, the first publicly available million-scale dataset for identity-preserving video generation, containing one million curated triplets across 8,000+ categories. Leveraging this, we propose CustoMDiT, a parameter-efficient framework that adapts a pretrained multimodal Diffusion Transformer into a customized video generator with only 8% additional learnable parameters. Our method surpasses prior state-of-the-art. However, benchmarks such as DreamBooth cover only 100 classes, which is insufficient for real-world applications. To overcome this, we construct OpenCustom, a new benchmark with 1,000+ categories, created via cross-dataset knowledge fusion from ImageNet and MS-COCO. Extensive experiments confirm the advantages of both our dataset and model. We will open-source the entire ecosystem--including dataset, pipeline, benchmark, and implementations--to support further research.

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Jingxu Zhang, Yuqian Hong, Daneul Kim, Kai Qiu, Qi Dai, Jianmin Bao, Yifan Yang, Xiaoyan Sun, Chong Luo. 2026-06-10. A Comprehensive Ecosystem for Open-Domain Customized Video Generation. https://arxiv.org/abs/2606.11783

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