拥抱雨人：一个用于分析自闭症谱系障碍儿童非典型面部表情的新型面部动作单元数据集
Hugging Rain Man: A Novel Facial Action Units Dataset for Analyzing Atypical Facial Expressions in Children with Autism Spectrum Disorder
AI总结：
本文提出 Hugging Rain Man 数据集，通过 FACS 专家标注 ASD 与 TD 儿童的面部动作单元，结合统计分析和时间回归方法揭示 ASD 非典型表情的客观特征，并为早期筛查提供工具。
摘要：
自闭症谱系障碍（ASD）儿童通常表现出非典型的面部表情。然而，支撑这种主观感知的具体客观面部特征仍不清楚。在本文中，我们引入了一个新的数据集 Hugging Rain Man（HRM），该数据集包含由 FACS 专家为 ASD 儿童和典型发育（TD）儿童手动标注的面部动作单元（AUs）。该数据集包含丰富的摆拍和自发面部表情，总计约 130,000 帧，以及 22 个 AUs、10 个动作描述符（ADs）和非典型性评分。对 HRM 中静态图像的统计分析揭示了 ASD 组和 TD 组在展示相同情绪表达时在多个 AUs 和 ADs 上存在显著差异，证实 ASD 参与者倾向于表现出更不规则和更多样化的表达模式。随后，提出了一种时间回归方法来分析动态序列的非典型性，从而弥合主观感知与客观面部特征之间的差距。此外，还提供了 AU 检测的基线结果，供未来研究参考。这项工作不仅有助于我们理解与 ASD 相关的独特面部表情特征，还为 ASD 早期筛查提供了潜在工具。部分数据集、特征和预训练模型可在以下地址获取：\url{https://github.com/Jonas-DL/Hugging-Rain-Man}。
英文摘要：
Children with Autism Spectrum Disorder (ASD) often exhibit atypical facial expressions. However, the specific objective facial features that underlie this subjective perception remain unclear. In this paper, we introduce a novel dataset, Hugging Rain Man (HRM), which includes facial action units (AUs) manually annotated by FACS experts for both children with ASD and typical development (TD). The dataset comprises a rich collection of posed and spontaneous facial expressions, totaling approximately 130,000 frames, along with 22 AUs, 10 Action Descriptors (ADs), and atypicality ratings. A statistical analysis of static images from the HRM reveals significant differences between the ASD and TD groups across multiple AUs and ADs when displaying the same emotional expressions, confirming that participants with ASD tend to demonstrate more irregular and diverse expression patterns. Subsequently, a temporal regression method was presented to analyze atypicality of dynamic sequences, thereby bridging the gap between subjective perception and objective facial characteristics. Furthermore, baseline results for AU detection are provided for future research reference. This work not only contributes to our understanding of the unique facial expression characteristics associated with ASD but also provides potential tools for ASD early screening. Portions of the dataset, features, and pretrained models are accessible at: \url{https://github.com/Jonas-DL/Hugging-Rain-Man}.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
