Painpoints
There is an increased risk for forensic personnel when performing manual reconstruction.
Traffic is significantly impacted by the long reconstruction times and delays in road clearing.
Inadequate data collection and a lack of realistic visual representation can add complexity to legal cases.
Advantages
Collect data from a safe distance without compromising data quality or exposing personnel to unnecessary risk.
Significantly reduce collection times, restoring normal traffic flow more quickly and minimizing the impact on transportation.
Capture realistic reconstruction models of the scene, which can be later used throughout the legal process.
Drone Platform
DJI Matrice 4E
Weight: 1219 g (with propellers)
Max Flight Time (without wind): 49 minutes
Environment Adaptability: Max takeoff altitude 6000 m, max wind speed resistance 12 m/s
Sensing System: Omnidirectional binocular vision system, supplemented with a 3D infrared sensor at the bottom of the aircraft
Mechanical Shutter Speed: 2–1/2000 s, minimum photo interval 0.5 s
Wide-Angle Camera: 4/3-inch CMOS, 20MP effective pixels
Medium Tele Camera: 1/1.3-inch CMOS, 48MP effective pixels
Telephoto Camera: 1/1.5-inch CMOS, 48MP effective pixels
Laser Rangefinding: 1800 m measurement range (1 Hz) @20% reflectivity target
Payload and Software
DJI Pilot 2
Ground control.
DJI Terra
Modeling and flight mission plan
DJI Modify
Intelligent 3D model editing software
Workflow
1 Mission Planning:
– Plan mapping mission based on scene reconstruction needed.
2 Mission Execution:
– Execute the planned mission. Complement the images with POI flights using timed photo capture.
– For night reconstructions, make sure to properly light the scene for accurate data collection.
3 Post Mission Documentation:
– Import collected data in DJI Terra to process the scene 3D model.
– Use DJI Modify to clean a version of the 3D model, remove any floating parts, and improve overall texture quality. Sharing with other stakeholders is also possible.
Drone Platform
DJI Matrice 400
Weight: 9740±40 g (with batteries)
Max Takeoff Weight: 15.8 kg
Max Payload: 6 kg
Max Flight Time: 59 minutes
Max Horizontal Speed: 25 m/s
Sensing System: Omnidirectional binocular vision system (surround view provided by full-color fisheye vision sensors), horizontal rotating LiDAR, upper LiDAR, downward 3D infrared range sensor, and six-direction mmWave radar
Environment Adaptability: IP55 rating, max takeoff altitude 7000 m, operating temperature -20° to 50° C (-4° to 122° F)
Payload Compatibility: Zenmuse H30 Series, Zenmuse L2, Zenmuse P1, Zenmuse V1, Zenmuse S1, and third-party payloads
Payload and Software
Zenmuse P1
Camera Sensor: 45 MP full-frame
Shutter: Global mechanical shutter, 1/2000 s
Gimbal: 3-axis stabilized gimbal with Smart Oblique Capture
DJI Pilot 2
Ground control
DJI Terra
Modeling and flight mission plan
DJI Modify
Intelligent 3D model editing software
Workflow
1 Mission Planning:
– Plan mapping mission based on scene reconstruction needed.
2 Mission Execution:
– Execute the planned mission. Complement the images with manual flights.
– For night reconstructions, make sure to properly light the scene for accurate data collection.
3 Post Mission Documentation:
– Import collected data in DJI Terra to process the scene 3D model.
– Use DJI Modify to clean a version of the 3D model, remove any floating parts, and improve overall texture quality. Sharing with other stakeholders is also possible.
Contact Us
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