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arXiv 2603.13306cs.CVcs.LG

对弱监督条件下Clip级监控异常检测的紧凑视觉语言模型进行基准测试

Benchmarking Compact VLMs for Clip-Level Surveillance Anomaly Detection Under Weak Supervision

Faculty of Information Technology, Moscow Technical University of Communication

Kirill Borodin, Kirill Kondrashov, Nikita Vasiliev, Ksenia Gladkova, Inna Larina, Mikhail Gorodnichev, Grach Mkrtchian

AI总结:

本文研究了在弱监督条件下,紧凑型视觉语言模型在Clip级监控异常检测中的性能,通过统一评估协议比较了参数高效适应的紧凑VLMs与无训练VLM流水线和弱监督基线,展示了在准确率和效率上的平衡。

摘要:

CCTV安全监控需要异常检测器在弱监督下结合可靠的Clip级准确率和可预测的每Clip延迟。本文研究了紧凑型视觉语言模型(VLMs)作为实用检测器的应用。一个统一的评估协议标准化了预处理、提示、数据集划分、指标和运行时间设置,以比较参数高效适应的紧凑VLMs与无训练VLM流水线和弱监督基线。评估涵盖准确率、精确率、召回率、F1、ROC-AUC和平均每Clip延迟,以共同量化检测质量和效率。通过参数高效适应,紧凑VLMs在性能上与现有方法相当,在某些情况下甚至更优,同时保持有竞争力的每Clip延迟。适应进一步减少了提示敏感性,产生在共享协议下更一致的行为。这些结果表明,参数高效微调使紧凑VLMs能够作为可靠的Clip级异常检测器,在透明且一致的实验设置中实现有利的准确率-效率权衡。

英文摘要:

CCTV safety monitoring demands anomaly detectors combine reliable clip-level accuracy with predictable per-clip latency despite weak supervision. This work investigates compact vision-language models (VLMs) as practical detectors for this regime. A unified evaluation protocol standardizes preprocessing, prompting, dataset splits, metrics, and runtime settings to compare parameter-efficiently adapted compact VLMs against training-free VLM pipelines and weakly supervised baselines. Evaluation spans accuracy, precision, recall, F1, ROC-AUC, and average per-clip latency to jointly quantify detection quality and efficiency. With parameter-efficient adaptation, compact VLMs achieve performance on par with, and in several cases exceeding, established approaches while retaining competitive per-clip latency. Adaptation further reduces prompt sensitivity, producing more consistent behavior across prompt regimes under the shared protocol. These results show that parameter-efficient fine-tuning enables compact VLMs to serve as dependable clip-level anomaly detectors, yielding a favorable accuracy-efficiency trade-off within a transparent and consistent experimental setup.

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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