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首页> 外文会议>International Conference on Automatic Face and Gesture Recognition >Investigating Facial Behavior Indicators of Suicidal Ideation
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Investigating Facial Behavior Indicators of Suicidal Ideation

机译：调查自杀意识形来的面部行为指标

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Suicide is the deliberate self-inflicted act with the intent to end one's own life. It reflects both profound personal suffering and societal failure. While certain suicide risk factors are well understood, predicting suicide attempts remains a very challenging problem. In this paper, we investigate non-verbal facial behaviors to discriminate among control, mentally ill, and suicidal patients. For this task, we used a balanced corpus containing interviews of male and female patients with and without suicide ideation and/or mental health disorders from 3 different hospitals. In our experiments, we explored smiling, frowning, eyebrow raising, and head motion behaviors. We investigated both the occurrence of these behaviors and also how they were conducted. We found that facial behavior descriptors such as the percentage of smiles involving the contraction of the orbicularis oculi muscles (Duchenne smiles) had statistically significant differences between the suicidal and nonsuicidal groups. Our experiments also demonstrated that the stage of the interview in which these facial behaviors occur impacts their discriminative power.
机译：自杀是故意的自我造成行为，意图结束自己的生活。它反映了深刻的个人痛苦和社会失败。虽然某些自杀风险因素得到很好的理解，但预测自杀企图仍然是一个非常具有挑战性的问题。在本文中，我们调查了非言语面部行为来歧视控制，精神病患者和自杀患者。对于这项任务，我们使用了一个平衡的语料库，其中包含患有和女性患者的面试，不含三种不同医院的患者和/或心理健康障碍。在我们的实验中，我们探索了微笑，皱眉，眉毛提升和头部运动行为。我们调查了这些行为的发生以及它们的发生方式。我们发现面部行为描述符，例如涉及orbicularis oculi肌肉收缩的微笑百分比（Duchenne smiles）在自杀和非尿的基团之间具有统计学显着的差异。我们的实验还证明了采访的阶段，其中这些面部行为发生影响其歧视权。

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