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Business Management Review | Wednesday, January 03, 2024
3D scanning, drones, dash cameras, and video surveillance have become integral tools for forensic engineers and investigators.
FREMONT, CA: Forensic engineering, a field often portrayed in popular media as high-tech and cutting-edge, is indeed evolving at a rapid pace. In today's world, where television shows and movies regularly depict investigators solving complex cases with the aid of advanced technology, the public's expectations are set high. Jurors, too, have become influenced by these depictions, expecting the utilization of state-of-the-art technology in the analysis of cases. While forensic engineering encompasses a broad range of investigations, including traffic collisions, fire incidents, and structural failures, it is not confined to these domains. The common thread in all these investigations is the application of technology to uncover the truth.
One notable technological advancement in recent years is the widespread adoption of 3D scanning. This technology has become a staple tool in various investigations, providing precise and comprehensive documentation of scenes and objects. Unlike traditional methods that rely on diagrams, maps, and photographs, 3D scanners capture the scene or object in digital format, ensuring accuracy and detail. A single 3D scan can preserve a 360-degree view, allowing for a thorough analysis that captures even minute details. The speed and accuracy of 3D scanning technology have improved significantly, with scan times averaging under 10 minutes per scan. This rapid data collection is particularly valuable in dynamic situations where time is of the essence, such as accident scenes.
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Drones have also emerged as a pivotal tool in forensic engineering. Drones equipped with 4K cameras enable investigators to capture high-resolution videos and photographs of active or historical scenes, such as crash sites, fire investigations, building inspections, and vehicle documentation. These aerial platforms offer an array of perspectives, from bird's-eye views to first-person perspectives. Notably, drones can provide a faster scan of larger areas compared to traditional 3D scanners, making them particularly useful in such scenarios.
The high-quality photographs and videos obtained through drones offer more than visual documentation; they can be used to obtain precise measurements. By combining these images with ground targets, reference measurements, or 3D scanner data, investigators can acquire accurate dimensional data for analysis. The exceptional quality of the photographs makes them suitable for use with analysis software, further enhancing the accuracy of reconstructions.
Moreover, drones have the advantage of capturing aerial perspectives that might be necessary for certain investigations. In complex scenes or those involving large areas, drones provide a valuable vantage point for capturing crucial data. Dash cameras and video surveillance have become increasingly common, thanks to more affordable and accessible technology. Dash cameras are now prevalent in commercial fleets, recreational vehicles, and private cars. The footage captured by these devices can serve multiple purposes, from swiftly closing cases to obtaining accurate data for accident reconstruction. In many cases, the presentation of dash cam video can significantly impact the resolution of a case. However, dashcam and surveillance videos are not limited to offering visual evidence; they can provide essential data for dimensional and speed analysis.
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