Parallel Tracking and Mapping for Small AR Workspaces (PTAM) - extra
Video results for an Augmented Reality tracking system. A computer tracks a camera and works out a map of the environment in realtime, and this can be used to overlay virtual graphics. Presented at the ISMAR 2007 conference. This video shows extra video results made at ISMAR. All sequences were processed and recorded live on a dual-core laptop. http://www.robots.ox.ac.uk/~gk/
Sand Flea Jumping Robot - YouTube
Sand Flea is an 11-lb robot with one trick up its sleeve: Normally it drives like an RC car, but when it needs to it can jump 30 feet into the air. An onboard stabilization system keeps it oriented during flight to improve the view from the video uplink and to control landings. Current development of Sand Flea is funded by the The US Army's Rapid Equipping Force. For more information visit www
C-130 YMC-130H Lockheed Hercules flight test accident crash
Discovery Communications Content copyright. Top secret Iran hostage rescue mission aircraft YMC-130H were three modified Lockheed Hercules Aircraft for Top Secret "Operation Credible Sport", for second Iran hostage crisis rescue attempt. One of the measures considered for a second hostage rescue attempt in Iran was a project to develop a "Super STOL" aircraft, to be flown by Combat Talon
had better と should の違い - やり直し英会話入門
先日お役立ちフレーズで You might want to というソフトなアドバイスや提案の表現をとりあげましたが、 今回は had better と should の違いに注目したいと思います。 どちらも 「 ～ した方がよい 」 と相手にアドバイスを与えたい時に使えますが、 had better のほうがきつい言い方、というのはお聞きになったことがあるかもしれません。 You can use had better when you warn somebody that they must do something. と書いてある文法書もあります。warn と must という単語からも、軽いアドバイスではないことがうかがえますね。 では具体的にどのように違うのでしょうか？ ポイントは 2 つです！ ポイント 1 had better は一般的な場面はなく、特定の場面で使われます。 sh
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