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Real-time 3D Images

One of DECOD’s competitive edge is the vivid and accurate representation of subsurface environment and target objects that are buried or found under a medium. This is the outcome derived from DECOD’s multi-array GPR antenna system.

In this segment, we feature specimen of images that are generated from the multi-array GPR antenna system installed in DECOD RV100 and RV200.


Depth Slices


GPR data can be presented as depth (or horizontal) slices. Depth slice provides a sectional (profile) view of the subsurface at a specific depth.

Composite Image

Composite images are built from depth slices and the primary purpose is to provide a 3D cross-sectional representation of the subsurface environment.
Video Clip Providing a Continuous Display of Depth Slices at a Fixed (x,y) Position (i.e. constant x,y coordinates)




This moving image depicts the cross-sectional plane of the subsurface across the depth (or Z) axis.

The changing Z variable displayed on the right end bottom of the screen indicates the corresponding depth below the ground surface. The sectional view of the landmine becomes pronounced at about 300mm from ground level, which indicates that the landmine (an empty shell) is buried top down from 300mm below ground level. The Composite Image is an ideal tool for quick review and fast identification of landmines.


3D Image Depicting the Subsurface Condition of Asphalt-Coated Road



The moving images depict the profile of the graded stone layer across the depth (Z) axis which provides an indication of the structural condition. Subsidence of loose graded stones can be inferred from the images.

3D Image Depicting the Subsurface Condition of Race Course Turf to facilitate locating of utility

 
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