Anti-Shredder Computer Versus Stasi Secret Police

A German research team has developed a computer system to attempt to put together East German secret police files ripped into 600 million pieces. The shredded and torn documents date from 1989, when the fall of the Berlin wall caused Stasi members to try to liquidate the past.


(Shredded Stasi documents in a small plastic sack)

Bertram Nickolay, head of security technology at the Fraunhofer Institute for Production Systems and Design Technology (IPK) in Berlin, says that the heart of the reconstruction software that his team has spent years developing is powered by algorithms designed to recognize and process digital patterns and images.

The pieces of torn documents are scanned on both sides, and the digital images are then analysed by a cluster of 16 computers for 25 features, including colour, shape, texture, handwriting and typeface, Nickolay says. Just like a person doing a jigsaw, the computer then groups the images into clusters with similar features, and finally fits pieces in each cluster together. The software should get better with time, Nickolay notes. "It learns as it processes."

According to Nickolay, the project will start with ten bags of torn documents this coming June. Initial scanning will be done by hand by 20 team members, but the team is "looking for solutions to mechanize this process."

It turns out that science fiction writers are once again ahead of the curve. In his excellent (and Hugo-nominated) 2006 book Rainbows End, sf author and computer scientist Vernor Vinge attacks the problem of digitizing entire libraries with characteristic gusto. Meet the Navicloud Custom Debinder:

Ahead of him, everything was empty bookcases, skeletons. Robert went to the end of the aisle and walked toward the noise. The air was a fog of floating paper dust. In the fourth aisle, the space between the bookcases was filled with a pulsing fabric tube. The monster worm was brightly lit from within. At the other end, almost twenty feet away, was the worm's maw - the source of the noise... The raging maw was a "Navicloud custom debinder." The fabric tunnel that stretched out behind it was a "camera tunnel..." The shredded fragments of books and magazines flew down the tunnel like leaves in a tornado, twisting and tumbling. The inside of the fabric was stiched with thousands of tiny cameras. The shreds were being photographed again and again, from every angle and orientation...
(Read more about the Navicloud Custom Debinder)

If you are interested in the logistics of scanning millions of pages, read Encyclopedia Googleactica - Google To Put All Human Knowledge Online.

Update 11-May-2007: Thanks to reader RandomAction who wrote in with the same idea (I independently came up with it). RandomAction cited an article in spiegel.de:

Rights activists interrupted the project [by the East German Staatssicherheitsdienst to destroy the material] and rescued a total of 16,250 garbage bags full of scraps. But rescuing the history on those sheets of paper amounted to an absurdly difficult jigsaw puzzle. By 2000, no more than 323 sacks were legible again -- reconstructed by a team of 15 people working in Nuremburg -- leaving 15,927 to go. So the German government promised money to any group that could plausibly deal with the remaining tons of paper.
(From New Computer Program to Reassemble Shredded Stasi Files)

(End Update.)

Story via Nature.

Scroll down for more stories in the same category. (Story submitted 5/11/2007)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 1 )

Related News Stories - (" Culture ")

China Social Credit System Like State-Run Whuffie
'At least there was no mandatory Whuffie check on the monorail platform...' - Cory Doctorow, 2003.

Sex In Driverless Cars? Updated With Video!
'...admirable for petting.' - David H. Keller, 1935.

Xinhua AI Anchor Puts CGI Face To Automated News
'...a congeries of software agents.' - William Gibson, 1996.

Wirewax Watching You Watch, Adjusting Your Experience
'He adjusted the n, the r and b knobs, and hopefully anticipated a turn for the better...' - Philip K. Dick, 1964.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

 

Current News

Unfurl The Future! Huawei Mate X versus Galaxy Fold
'A paper thin polycarbon screen unfurled silently from the top of the unit and immediately grew rigid.'

Amazon Echo And Google Home Should Have Morality Software
'The Dwoskin Morality Rating-Computer could 'spot the slightest tendency to deviation' from the social norm...'

China Building Robot Wives
'Want a life-companion, a pleasant one?'

China Social Credit System Like State-Run Whuffie
'At least there was no mandatory Whuffie check on the monorail platform...'

Project Soli Radar Gesture Chip Now FCC Approved
'He waved his hand and the circuit switched abruptly.'

Stan, Robot Valet, Will Drag Your Car Away
'He activated the grapple tracks. '

Jibo Home Robot Says Goodbye, Is Killswitched
'It resembles an oyster....'

Johns Hopkins Says Asteroid Deflection Will Be Difficult
'This obelisk is one huge deflector mechanism...'

Fabric Automatically Cools Or Insulates Based On Environment
'...a high-efficiency filter and heat-exchange system.'

Deepfakes From OpenAI GPT-2 Algorithm
'How can you compete with an IBM heavy-duty logomatic analogue?'

John Deere Self-Driving Tractor
'The huge plow... seemed to shake itself - and began to move back southward.'

North Focals Smart Glasses Provide Augmented Reality In Style
'The world ... is drenched in unfamiliar information all the way to the horizon.'

Tesla Driver Caught Napping Behind The Wheel
'Mary Risling settled back for a little nap...'

Hayabusa 2 To Begin Asteroid Mining
'We must dig down, and then doubtless we shall find the metal.'

Ionocraft Drone Powered By Electrohydrodynamic Thrust
'He saw one hiss by him as he rounded the corner, trailing a short whip antenna...'

Purdue Pharma Ready To Profit From OxyContin Use Or Addiction Recovery
'It may be organic damage. It may be permanent. Time'll tell, and only after you are off Substance D for a long while.'

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.