CCTV as an automated sensor for firearms detection: human-derived performance as a precursor to automatic recognition
CCTV as an automated sensor for firearms detection: human-derived performance as a precursor to automatic recognition
复制标题
闭路电视作为枪械检测的自动传感器:人源性能作为自动识别的先驱
DOI:
10.1117/12.800264
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发表时间:
2008
期刊:
影响因子:
--
通讯作者:
Darker I
中科院分区:
文献类型:
--
作者:
Darker I
CCTV operators are able to detect firearms, via CCTV, but their capacity for surveillance is limited. Thus, it is desirable to automate the monitoring of CCTV cameras for firearms using machine vision techniques. The abilities of CCTV operators to detect concealed and unconcealed firearms in CCTV footage were quantified within a signal detection framework. Additionally, the visual search strategies adopted by the CCTV operators were elicited and their efficacies indexed with respect to signal detection performance, separately for concealed and unconcealed firearms. Future work will automate effective, human visual search strategies using image processing algorithms.
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