Crime scene investigation(CSI)is an important link in the criminal justice system as it serves as a bridge between establishing the happenings during an incident and possibly identifying the accountable persons,provid...Crime scene investigation(CSI)is an important link in the criminal justice system as it serves as a bridge between establishing the happenings during an incident and possibly identifying the accountable persons,providing light in the dark.The International Organization for Standardization(ISO)and the International Electrotechnical Commission(IEC)collaborated to develop the ISO/IEC 17020:2012 standard to govern the quality of CSI,a branch of inspection activity.These protocols include the impartiality and competence of the crime scene investigators involved,contemporary recording of scene observations and data obtained,the correct use of resources during scene processing,forensic evidence collection and handling procedures,and the confidentiality and integrity of any scene information obtained from other parties etc.The preparatory work,the accreditation processes involved and the implementation of new quality measures to the existing quality management system in order to achieve the ISO/IE 17020:2012 accreditation at the Forensic Science Division of the Government Laboratory in Hong Kong are discussed in this paper.展开更多
本文以Web of Science核心数据库为检索数据集,以VOSviewer1.6.20和CiteSpace6.2R6可视化分析软件为研究工具,检索了痕迹类物证统计学量化研究相关文献509篇,涉及57个国家、976个机构、267份期刊,从发文量、发文载体、关键词共现、关键...本文以Web of Science核心数据库为检索数据集,以VOSviewer1.6.20和CiteSpace6.2R6可视化分析软件为研究工具,检索了痕迹类物证统计学量化研究相关文献509篇,涉及57个国家、976个机构、267份期刊,从发文量、发文载体、关键词共现、关键词聚类四个方面对本领域文献各个节点进行了梳理,以详尽直观地了解痕迹类物证统计量化研究脉络与前沿热点。研究结果表明,痕迹类物证的统计量化方法研究文献量在过去几十年间呈现波动式增长;欧洲国家对于这一主题有较多的合作关系,形成了一个较为紧密的区域合作网络,荷兰法庭科学研究所为发文量最高的机构;指纹是痕迹类物证统计量化研究的重要对象,统计量化方法主要聚焦于似然比、贝叶斯网络等基于贝叶斯定理的方法;研究热点呈现从主观量化方法聚类(主观似然比)到客观量化方法聚类(基于特征的似然比方法、基于分数的似然比方法)转变的趋势。痕迹类物证统计量化研究目前存在高维数据解释困难、模型的误差率挑战、模型参数估计挑战等问题。本文建议从量化高维数据证据质量评价指标、开发动态调整容错率模型、采用多重验证和评估策略、拓展痕迹类证据新范式专家共识等方面进行改进。展开更多
文摘Crime scene investigation(CSI)is an important link in the criminal justice system as it serves as a bridge between establishing the happenings during an incident and possibly identifying the accountable persons,providing light in the dark.The International Organization for Standardization(ISO)and the International Electrotechnical Commission(IEC)collaborated to develop the ISO/IEC 17020:2012 standard to govern the quality of CSI,a branch of inspection activity.These protocols include the impartiality and competence of the crime scene investigators involved,contemporary recording of scene observations and data obtained,the correct use of resources during scene processing,forensic evidence collection and handling procedures,and the confidentiality and integrity of any scene information obtained from other parties etc.The preparatory work,the accreditation processes involved and the implementation of new quality measures to the existing quality management system in order to achieve the ISO/IE 17020:2012 accreditation at the Forensic Science Division of the Government Laboratory in Hong Kong are discussed in this paper.
文摘本文以Web of Science核心数据库为检索数据集,以VOSviewer1.6.20和CiteSpace6.2R6可视化分析软件为研究工具,检索了痕迹类物证统计学量化研究相关文献509篇,涉及57个国家、976个机构、267份期刊,从发文量、发文载体、关键词共现、关键词聚类四个方面对本领域文献各个节点进行了梳理,以详尽直观地了解痕迹类物证统计量化研究脉络与前沿热点。研究结果表明,痕迹类物证的统计量化方法研究文献量在过去几十年间呈现波动式增长;欧洲国家对于这一主题有较多的合作关系,形成了一个较为紧密的区域合作网络,荷兰法庭科学研究所为发文量最高的机构;指纹是痕迹类物证统计量化研究的重要对象,统计量化方法主要聚焦于似然比、贝叶斯网络等基于贝叶斯定理的方法;研究热点呈现从主观量化方法聚类(主观似然比)到客观量化方法聚类(基于特征的似然比方法、基于分数的似然比方法)转变的趋势。痕迹类物证统计量化研究目前存在高维数据解释困难、模型的误差率挑战、模型参数估计挑战等问题。本文建议从量化高维数据证据质量评价指标、开发动态调整容错率模型、采用多重验证和评估策略、拓展痕迹类证据新范式专家共识等方面进行改进。
