SignVerse-2M: A Two-Million-Clip Pose-Native Universe of 55+ Sign Languages

• URL: http://arxiv.org/abs/2605.01720v2
• Date: Wed, 06 May 2026 16:29:09 GMT
• Title: SignVerse-2M: A Two-Million-Clip Pose-Native Universe of 55+ Sign Languages
• Abstract summary: We present SignVerse-2M, a large-scale multilingual pose-native dataset for sign language pose modeling and evaluation.<n>It applies DWPose in a unified preprocessing pipeline to convert raw videos into 2D pose sequences that can be used directly for modeling.<n>Unlike many laboratory datasets, this resource preserves the recording conditions and speaker diversity of real-world videos.
• Score: 28.65355856480869
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Existing large-scale sign language resources typically provide supervision only at the level of raw video-text alignment and are often produced in laboratory settings. While such resources are important for semantic understanding, they do not directly provide a unified interface for open-world recognition and translation, or for modern pose-driven sign language video generation frameworks: 1. RGB-based pretrained recognition models depend heavily on fixed backgrounds or clothing conditions during recording, and are less robust in open-world settings than style-agnostic pose-processing models. 2. Recent pose-guided image/video generation models mostly use a unified keypoint representation such as DWPose as their control interface. At present, the sign language field still lacks a data resource that can directly interface with this modern pose-native paradigm while also targeting real-world open scenarios. We present SignVerse-2M, a large-scale multilingual pose-native dataset for sign language pose modeling and evaluation. Built from publicly available multilingual sign language video resources, it applies DWPose in a unified preprocessing pipeline to convert raw videos into 2D pose sequences that can be used directly for modeling, resulting in a consolidated corpus of about two million clips covering more than 55 sign languages. Unlike many laboratory datasets, this resource preserves the recording conditions and speaker diversity of real-world videos while reducing appearance variation through a unified pose representation. Toward this goal, we further provide the data construction pipeline, task definitions, and a simple SignDW Transformer baseline, demonstrating the feasibility of this resource for multilingual pose-space modeling and its compatibility with modern pose-driven pipelines, while discussing the evaluation claims it can support as well as its current limitations.

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