Child Separation Anxiety Detection (Pre-School Crying) | 儿童分离焦虑识别（上学前哭闹）

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Using a fixed camera at the home entrance or kindergarten gate, the system analyzes pre-school videos and detects crying facial expressions (frowning, open-mouth crying, tearing), physical clinging actions (grabbing parent's clothes, hugging parent's leg, pulling door frame), and resistance behaviors (stepping back, lying on the ground), then comprehensively evaluates the separation-anxiety level (mild / moderate / severe). | 通过家庭或幼儿园门口固定摄像头，分析儿童上学前的视频，检测哭闹面部表情（皱眉、张嘴哭泣、流泪）、肢体抓拽动作（抓住家长衣服、抱住家长腿、拉扯门框）以及抗拒行为（后退、躺地）等，综合评估分离焦虑等级（轻度/中度/重度）。该技能可辅助家长和教师了解儿童情绪状态，及时进行安抚或心理疏导。