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arXiv 2603.26015cs.CVcs.AI
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VLAgeBench: 大视觉-语言模型在零样本人类年龄估计中的基准测试

VLAgeBench: Benchmarking Large Vision-Language Models for Zero-Shot Human Age Estimation

Begum Rokeya University, Rangpur(贝古姆·罗基亚大学,朗布尔);American International University - Bangladesh(美国国际大学-孟加拉国)

Rakib Hossain Sajib, Md Kishor Morol, Rajan Das Gupta, Mohammad Sakib Mahmood, Shuvra Smaran Das

AI总结:

本文提出VLAgeBench,评估大视觉-语言模型在零样本人类年龄估计中的性能,展示通用LVLM在无微调情况下表现优异,揭示图像质量和人口子群体差异对性能的影响。

摘要:

人类年龄估计从面部图像代表一个具有显著应用在生物识别、医疗保健和人机交互中的挑战性计算机视觉任务。虽然传统深度学习方法需要大量标记数据集和领域特定训练,但最近在大视觉-语言模型(LVLMs)上的进展提供了零样本年龄估计的潜力。本研究提出了一个全面的零样本评估,评估了最先进的大视觉-语言模型(LVLMs)在面部年龄估计中的性能,该任务传统上由领域特定的卷积网络和监督学习主导。我们评估了GPT-4o、Claude 3.5 Sonnet和LLaMA 3.2 Vision在UTKFace和FG-NET两个基准数据集上的性能,没有任何微调或任务特定适应。使用八个评估指标,包括MAE、MSE、RMSE、MAPE、MBE、$R^2$、CCC和±5年准确率,我们证明了通用LVLM在零样本设置中可以提供竞争性的性能。我们的发现突显了LVLMs在准确生物识别年龄估计中的新兴能力,并将这些模型定位为现实应用中的有前途的工具。此外,我们强调了与图像质量和人口子群体相关的性能差异,突显了对公平性意识的多模态推理的需求。这项工作引入了一个可重复的基准,并将LVLMs定位为在法医学、医疗监测和人机交互中的现实应用中的有前途的工具。该基准专注于严格的零样本推断,不进行微调,并突显了与提示敏感性、可解释性、计算成本和人口公平性相关的剩余挑战。

英文摘要:

Human age estimation from facial images represents a challenging computer vision task with significant applications in biometrics, healthcare, and human-computer interaction. While traditional deep learning approaches require extensive labeled datasets and domain-specific training, recent advances in large vision-language models (LVLMs) offer the potential for zero-shot age estimation. This study presents a comprehensive zero-shot evaluation of state-of-the-art Large Vision-Language Models (LVLMs) for facial age estimation, a task traditionally dominated by domain-specific convolutional networks and supervised learning. We assess the performance of GPT-4o, Claude 3.5 Sonnet, and LLaMA 3.2 Vision on two benchmark datasets, UTKFace and FG-NET, without any fine-tuning or task-specific adaptation. Using eight evaluation metrics, including MAE, MSE, RMSE, MAPE, MBE, $R^2$, CCC, and $\pm$5-year accuracy, we demonstrate that general-purpose LVLMs can deliver competitive performance in zero-shot settings. Our findings highlight the emergent capabilities of LVLMs for accurate biometric age estimation and position these models as promising tools for real-world applications. Additionally, we highlight performance disparities linked to image quality and demographic subgroups, underscoring the need for fairness-aware multimodal inference. This work introduces a reproducible benchmark and positions LVLMs as promising tools for real-world applications in forensic science, healthcare monitoring, and human-computer interaction. The benchmark focuses on strict zero-shot inference without fine-tuning and highlights remaining challenges related to prompt sensitivity, interpretability, computational cost, and demographic fairness.

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。

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