"Indirect" supervision is defined as the method of supervising inmates whereby correctional officers monitor inmate living areas from enclosed posts. "Direct" supervision places correctional officers right in the living unit where they are required to have continuous, direct personal interaction with inmates. For the past several years, these two methods of supervision have been the subject of ...

Owing to poor preparedness and mitigation measures for oil gas pipeline vandalization in the Niger Delta Region of Nigeria, there have been series spills that now reached life threatening levels. This study set out investigate factors affect crude vandalism area. The thrust was unravel spatial variation region. used survey research method primary data sort using questionnaire. target population...

The need to assess the trustworthiness of a piece of information has become a prevalent issue due to web vandalism and the openness of platforms such as wikis. In this paper we introduce the notion of contextual accountability: Holding the author of a given statement accountable by deriving a path from the statement to the author’s credentials. We present our own trust vector model as a combina...

In this paper we propose an approach to recognize behaviors of groups of people in the subway. Violent behavior or vandalism performed by a group can be detected in order to alert subway security. The proposed system is composed of 3 main layers: the detection of people in the video, the detection and tracking of groups among the detected individuals and the detection of events and scenarios of...

Time-of-Flight (TOF) cameras relate to a very recent and growing technology which has already proved to be useful for computer vision tasks. In this paper we investigate on the use of a TOF camera to perform video-based graffiti detection, which can be thought of as a monitoring system able to detect acts of vandalism such as dirtying, etching and defacing walls and objects surfaces. Experiment...