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arXiv preprint arXiv:2501.05098 , year=

12 Pith papers cite this work. Polarity classification is still indexing.

12 Pith papers citing it
abstract

In this paper, we introduce Motion-X++, a large-scale multimodal 3D expressive whole-body human motion dataset. Existing motion datasets predominantly capture body-only poses, lacking facial expressions, hand gestures, and fine-grained pose descriptions, and are typically limited to lab settings with manually labeled text descriptions, thereby restricting their scalability. To address this issue, we develop a scalable annotation pipeline that can automatically capture 3D whole-body human motion and comprehensive textural labels from RGB videos and build the Motion-X dataset comprising 81.1K text-motion pairs. Furthermore, we extend Motion-X into Motion-X++ by improving the annotation pipeline, introducing more data modalities, and scaling up the data quantities. Motion-X++ provides 19.5M 3D whole-body pose annotations covering 120.5K motion sequences from massive scenes, 80.8K RGB videos, 45.3K audios, 19.5M frame-level whole-body pose descriptions, and 120.5K sequence-level semantic labels. Comprehensive experiments validate the accuracy of our annotation pipeline and highlight Motion-X++'s significant benefits for generating expressive, precise, and natural motion with paired multimodal labels supporting several downstream tasks, including text-driven whole-body motion generation,audio-driven motion generation, 3D whole-body human mesh recovery, and 2D whole-body keypoints estimation, etc.

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representative citing papers

LIMMT: Less is More for Motion Tracking

cs.RO · 2026-06-05 · unverdicted · novelty 6.0

A data-centric approach shows that less than 3% of AMASS motion data, filtered by physics feasibility, diversity, and complexity, yields better humanoid tracking policies than the full dataset.

OMG: Omni-Modal Motion Generation for Generalist Humanoid Control

cs.RO · 2026-06-09 · unverdicted · novelty 5.0

OMG is a diffusion model for omni-modal whole-body humanoid motion generation that uses language, audio, and reference motions after large-scale data curation to achieve state-of-the-art performance and adaptation.

Fine-grained Human Motion Understanding with Language Models

cs.CV · 2026-06-18 · unverdicted · novelty 4.0

LLM model using explicit timestamped skeletal pose sequences and diverse pose/motion supervision achieves SOTA on multiple motion understanding benchmarks, including with 2D input surpassing prior 3D methods.

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