In the cramped and narrow rented house, the scene of the murder was discovered. The deceased victim was lying in bed. The room was small and surrounded by a large amount of sundry. Under such an environment, how can criminal investigation investigators quickly find the clues that can determine the real murderer without damaging the crime scene and any possible evidence?
Enter the FARO 3D Laser Scanner.
After the police arrived at the scene of the crime, the first time in the rental house each room set up 3D laser scanner to record the scene. The laser scanner not only accurately recorded the characteristics of the body and various objects in the room, but also captured and recorded information on the walls, floors and various traces of physical evidence.
Detectives on the scene said that in a complex environment like this one, it would normally take a full day to survey the scene. With laser scanners, rooms like this one need only be set up at three stations to record panoramic views. When each station is set up, the scanner turns on and the scene is automatically recorded.
Today, such a complex crime scene can be recorded in just nine minutes and measured with millimeter accuracy using the FARO laser scanner. What is more effective is that after scanning every room on the scene, the system can automatically splice and generate the stereo map, which realizes the3D reconstruction of the crime scene.
3D scanning technique
Contrast with the traditional crime scene reconstruction mainly through the field record and field photos and other ways to achieve. A large number of text and picture collation, complex site map drawing, plus all kinds of traces of physical evidence measurement, the whole process is time-consuming. It is difficult to completely cover the field information because of the omissions in manual records. After the case is sent to the procuratorate or court, the case handling personnel can only understand the scene of the crime, including details such as time, space and location, by imagination through photos and other materials, and it is difficult to piece together a complete scene.
And through the 3D scanning technology, in a very short time to complete the scanning record of the site. The accurate data obtained can automatically generate 3D point cloud data in the system. The police in this case is through the reconstruction of the three-dimensional real scene of the crime, the restoration of the crime of the murderer, accurate to find the traces of material evidence left by the murderer, and finally successfully caught the murderer.
In addition, the 3D reconstruction of the scene for prosecutors and the court on the trial of the case to provide help. No longer according to the mass of photos to piece together and imagine the crime scene and the crime. You can understand the real situation of the crime scene through the "immersive" roaming effect.
Now, the police have applied 3D laser scanners to the scene of major cases, major security activities, fires and traffic accidents. In this era of wisdom, 3D scanning technology has become a force of criminal investigation that cannot be ignored.
