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Down These Mean Streets Go ... 3D Lasers

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PeterJ
PeterJ  
7/31/2014 10:21:43 AM
User Rank Urban Legend
Re: Models offer a possible reconstruction but not the only one
Yes - and it makes me think of the evolution of DNA evidence and the database of collected samples over time. I know there can be contamination of samples, etc., but with certified labs, processes, it is undeniable evidence. One has to the think the same will be true here.

PeterJ
PeterJ  
7/31/2014 10:08:28 AM
User Rank Urban Legend
Re: Hologram
Yes, it does raise those questions. I'm wondering if there are forensic collection standards in place for this already? Forensic/criminal science standards? Perhaps the technology is ahead of developing these foundational standards...

Amy Rogers Nazarov
Amy Rogers Nazarov  
7/29/2014 2:36:06 PM
User Rank Urban Legend
Re: Hologram
Thanks for these additional links, Kishore. I could see a lot of training applications also arising from this depth-sensing technology - training of soldiers, pilots, surgeons, others for whom accurate depth perception is key to the work they do. Or perhaps the technology could serve as a way to enhance humans' innate depth-sensing, lengthening their time in the field or bolstering flagging abilities due to injury or age.

NewDream
NewDream  
7/29/2014 1:12:23 PM
User Rank Urban Legend
Re: Models offer a possible reconstruction but not the only one
What concerns me is not that the 3d "display" would be wrong. What concerns me is that it's not, as I understand it, a "display" as much as a model.

Photographs can be faked. But generally they are not reconstructions of what something looked like at a point in time, but rather an accurate depiction of what something looked like, from a particular direction and distance, at some specific moment.

If these 3d displays have that same characteristic, great. Let's use them, while clearly defining just what they are.

But my impression is that these are not 3d recordings generated through a predetermined process. It seems to me these displays are models constructed to fit certain parameters, and as such they are more like an artist's rendering than a photograph.

It's a fascinating technology but I'm not sure it's evidence.

kq4ym
kq4ym  
7/29/2014 12:54:26 PM
User Rank Urban Legend
Re: Models offer a possible reconstruction but not the only one
Good point made. Attorney's, clever as they are can ague very convincingly for both sides of an argument and make any "scientific" evidence look either very damning or just plain silly. Unless, the technology is totally 100% foolproof, it's probably not going to make a jury believe the results shown.

CitySolver
CitySolver  
7/29/2014 9:57:49 AM
User Rank Blogger
Levels of detail
I have to agree NewDream that the more layers you put on something can lead to more mistakes. Alhough JFK fanatics woud I am sure wish this had been around in 63. I feel that this tech has its place, but witnesses are still ultimately most important to criminal investigation. What happens if the 3D display is wrong. Could innocent people go to jail beause of a simple computer glitch on the display?

NewDream
NewDream  
7/29/2014 9:17:02 AM
User Rank Urban Legend
Models offer a possible reconstruction but not the only one
I fear this approach will produce theater rather than justice. While I have significant concerns about the validity of courtroom settings today, even more do I think that the use of competing models supplied by prosecution and defense will not increase the accuracy of the result.

Susan Leach
Susan Leach  
7/29/2014 4:47:45 AM
User Rank Blogger
Re: Hologram
Jumping off kq4ym's comment about courtroom tactics more than facts often determining the outcome of a case, I wonder how easy it would be to manipulate the 3D reenactments and projections. Is a neutral party going to be pulling the data together in a 3D format or will it be like "expert" witnesses, primed to support the arguments of a particular side in a court case?

Beside that potential twist, it seems like a brilliant use of the technology. A real leap forward from the "he said, she said" scenarios.

Kishore Jethanandani
Kishore Jethanandani  
7/28/2014 3:17:25 PM
User Rank Blogger
Re: Hologram
Great question, Amy. I have noticed that movies are getting real good at tracking new technology trends and crafting story lines around them. My favorite is ROBOCop--its a variant on the all-American Super-man and Batman themes but a lot more entertaining. 

 

Yes, 3D based on depth sensing is emerging big. Here is one from ZSpace for training, design and more

 

http://upstart.bizjournals.com/companies/innovation/2013/07/02/zspace-developers-build-3-d-apps.html?page=all

 

I saw recently an Israeli company demonstrating how to use laser to ferret out criminals hiding behind barriers. Something similar you can find in the link below

 

http://www.lawenforcementtoday.com/2012/04/03/how-to-see-around-corners/

 

Apple acquired PrimeSense with 3D capabilities recently so there has to be a mass market for it

 

Amy Rogers Nazarov
Amy Rogers Nazarov  
7/28/2014 1:52:58 PM
User Rank Urban Legend
Re: Hologram
Very interesting stuff, Kishore. I've never seen CSI or its many spin-offs; do these shows make use of such emerging technologies, to your knowledge? And, does the new depth-sensing technology find a fit in other industries and disciplines, like city planning/surveying, or in medicine? 

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