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3D Laser Scanning Technology Maps Interior & Exterior Of Buildings

3 Years Ago By Richard Darell

Google brought us maps, street view and then later 3D maps. With the help of quite sophisticated camera technologies and satellites, Google has been able to reinvent the map to some extent. But the scanning of the world is far from over even after Google has been able to map out our entire world. With a new laser scanning technology created by Scott Page Design, the privacy of your home will never be the same. The technology enables detail mapping even within those solid walls of yours.

The powerful laser is able to scan both the exterior as well as the interior of buildings. The laser scanning technology’s primary use is to record and reveal architectural flaws and configurations previously not possible. With this technology, we can literally map the entire world in incredible detail, which is something that before was almost impossible without spending hundreds of thousands of years on it.

I wouldn’t be too worried about not feeling safe in your home just yet since there are limits to what this technology can do. There is no word on whether or not this laser scanning technology is able to scan the interior of buildings from outside or not. However, if it is, it could be a huge threat to everyone’s privacy.

I can’t help but marvel over the immense detail the laser is able to capture even if the case is that it’s scanning the interior from inside the buildings. There’s no doubt this technology would be quite useful for the military and police (if it’s as powerful as it is claimed to be). They would really benefit from knowing how the building they are approaching is configured and possibly where the perpetrator is hiding.

So, next time you see a Google car driving by with a huge camera attached to its roof, make sure not to take a shower right then or you could end up on public display in nothing but your birthday suit. Nah, I wouldn’t worry about it, as I said, at least not yet. But you have to agree that the technology is insanely impressive, if it works from outside the buildings.

Scott Page Design’s 3D Laser Scanning Technology

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Via: [UFunk – French]

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3 Comments

Scott Page

June 3rd, 2013

While it’s nice to see my 3D scanning work getting some attention, your article is highly misleading.
You wrote:
“There is no word on whether or not this laser scanning technology is able to scan the interior of buildings from outside or not. However, if it is, it could be a huge threat to everyone’s privacy.”

3D laser scans are not x-rays -you can’t penetrate walls! In fact, this technology is more analogous to conventional photography than anything else. It captures only what the viewer sees. I must ask for permission to scan an interior space, just as any photographer might. There is no privacy issue here, so not to worry.
Cheers,
Scott Page

[Reply]

tadol

June 4th, 2013

Or just to be safe, you could add another layer of aliminum foil to everything –

[Reply]

David Landrecht

April 26th, 2014

You definitely needed to do some research before publishing this article.
Laser Scanners work by line of sight only. Can’t see theough walls quite yet. It works by bouncing a laser off of a surface and a sensor inside the scanner measures the time it takes for the laser pulse to return to the sensor. The “Time of flight” of the laser pulse allows for a distance computation to the object the laser is bouncing off of. Simultaneously an encoder in the scanner also records the horizontal and vertical position of the laser at the time the laser pulse was taken. The combination of vertical angle, horizontal angle and distance are stored in an on board computer. This information is stored as an x, y, z coordinate (remember your Cartesian Coordinate Geometry from High School math?) to the point that was measured.
Now imagine a machine that reproduces this process thousands of times per second.
Thats what a laser scanner does. It collects information about the position and shape of an object by measuring thousands of points on the objects surface.
The only limitation is line of sight but this can be rectified by moving the scanner to another location where the obscured object is now visible. These adjoining scan locations are precisely registered together to create one cohesive point cloud. This point cloud is now an accurate 3D model of the built environment. Measurements can be made on this model with a fair degree of accuracy which helps engineers design to a more precise representation of the existing conditions.
This technology is already used by the military as well as by police and CSI units around the world. It’s even used by the Secret Service planning months in advance of dignitaries visits to public locations.
We live in a pretty amazing time in History!

[Reply]

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