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Privacy Information Management for Video Surveillance

机译:视频监控的隐私信息管理

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摘要

The widespread deployment of surveillance cameras has raised serious privacy concerns. Many privacy-enhancing schemes have been proposed to automatically redact images of trusted individuals in the surveillance video. To identify these individuals for protection, the most reliable approach is to use biometric signals such as iris patterns as they are immutable and highly discriminative. In this paper, we propose a privacy data management system to be used in a privacy-aware video surveillance system. The privacy status of a subject is anonymously determined based on her iris pattern. For a trusted subject, the surveillance video is redacted and the original imagery is considered to be the privacy information. Our proposed system allows a subject to access her privacy information via the same biometric signal for privacy status determination. Two secure protocols, one for privacy information encryption and the other for privacy information retrieval are proposed. Error control coding is used to cope with the variability in iris patterns and efficient implementation is achieved using surrogate data records. Experimental results on a public iris biometric database demonstrate the validity of our framework.
机译:监视摄像机的广泛部署引起了严重的隐私问题。已经提出了许多隐私增强方案来自动编辑监视视频中受信任个人的图像。为了识别这些个人以进行保护,最可靠的方法是使用生物特征信号,例如虹膜模式,因为它们是不可变的且具有高度区分性。在本文中,我们提出了一种用于隐私感知视频监视系统的隐私数据管理系统。根据对象的虹膜模式匿名确定其隐私状态。对于受信任的主体,将监视视频删除,并将原始图像视为隐私信息。我们提出的系统允许受试者通过相同的生物特征信号访问其隐私信息,以确定隐私状态。提出了两种安全协议,一种用于隐私信息加密,另一种用于隐私信息检索。错误控制编码用于应对虹膜图案的可变性,并且使用替代数据记录可实现有效的实现。在公共虹膜生物特征数据库上的实验结果证明了我们框架的有效性。

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