10,000 Shredded Pages Successfully Reassembled

Reassembled Shredded PageOne sheet of the shredded document successfully reassembled by the winning team. Part of it had been missing from the beginning. Photo courtesy of the U.S. Department of Defense.

10,000 Shredded Pages Successfully Reassembled
Yomiuri Shimbun: シュレッダー文書、紙片1万個の復元に成功
Tetsurō Yamada reporting from Washington December 3, 2011

A team from California successfully deciphered an entire set of 10,000 shredded pages, winning a contest hosted by DARPA, the US Defense Department’s Defense Advanced Research Projects Agency, and a $50,000 prize, DARPA announced on the 2nd.

About 9000 teams participated in the competition. The winner was a small group of computer programmers from San Francisco who invented a program which finds a way to reassemble the strips of paper, then presents its model to human users for confirmation. It successfully recovered 5 types of documents and 10,000 pages in all.

Some experts had previously thought completing such a task in a short amount of time would be impossible. The department said the winning team’s solution was the most effective because it employed not only computing but also human ability.

Original/原稿:
シュレッダー文書、紙片1万個の復元に成功

優勝チームが復元した文書の一つ。一部は最初から欠けている。(米国防総省提供) 【ワシントン=山田哲朗】シュレッダーにかけられた文書を解読する米国防総省高等研究計画局(DARPA)の公開コンテストで、同局は2日、米カリフォルニア州のチームが全文書の復元に成功、賞金5万ドル(約390万円)を獲得したと発表した。

 競争には約9000チームが参加。このうち優勝したのは、サンフランシスコの少人数のコンピュータープログラマーらで、紙片の組み合わせ案を探索するプログラムを開発、提示された組み合わせを人間が確認していく方法で、5種類の文書、計1万個の紙片を復元した。

 専門家の間では当初、そもそも短期間での全問解答は不可能との見方もあった。同局は「コンピューターだけではなく、人間の力も組み合わせる手法が最も効率的だった」と評価している。

(2011年12月3日18時50分 読売新聞)

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One Comment on “10,000 Shredded Pages Successfully Reassembled”

  1. Jim smyth Says:

    Amazing. Valuable and scary capability.


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