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Social and Behavioral Sciences Commons

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Full-Text Articles in Social and Behavioral Sciences

Determination Of Vehicle Speed From Recorded Video Using Reverse Projection Photogrammetry And File Metadata, Brandon Epstein, Bryce Westlake Mar 2019

Determination Of Vehicle Speed From Recorded Video Using Reverse Projection Photogrammetry And File Metadata, Brandon Epstein, Bryce Westlake

Faculty Publications

The prevalence of security and in‐car video has increased the number of motor vehicle accidents captured on digital video. However, inconsistencies in how to accurately determine time and distance for vehicle speed has led to examinations with varying results. A potential solution for calculating time intervals is to use frame timing contained within many digital video file's metadata, recorded with 0.000001 sec precision. This paper examines a fatal motor vehicle accident where frame timing information was used with distance measurements from reverse projection photogrammetry to calculate vehicle speed. A margin of error was then calculated based on the accuracy in …


Police Legitimacy In Trinidad And Tobago: Resident Perceptions In A High-Crime Community, Ericka B. Adams Feb 2019

Police Legitimacy In Trinidad And Tobago: Resident Perceptions In A High-Crime Community, Ericka B. Adams

Faculty Publications

Violent crime in Trinidad and Tobago has increased over the last two decades, yet the police have been largely unsuccessful in reducing violence. Between 1999 and 2016, the murder rate increased by 475%. Despite the fact that the murder rate has increased, approximately 76 homicides are cleared each year, resulting in a low-homicide clearance rate. Using 40 semi-structured interviews with community members from a high-crime, low-income community in Trinidad and Tobago, this study examines residents’ experiences with police officers, and respondents’ willingness to work with the police to clear criminal cases. The results indicate that due to a lack of …