A Nice Gesture by Jeroen Arendsen

A Nice Gesture by Jeroen Arendsen

A mix of posts on gesture, HCI, perception or robots and some personal information.

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Ninja Strike Airtime


Ninja Strike, a killer application for gesture recognition?

This is certainly an interesting development. Previously we have seen mobile phones using motion and acceleration sensors for gesture control (see here and here). There have also been applications where the camera was used to simply capture optical flow: something in front of the camera is moving/turning in direction A therefore the phone is moving/turning in A + 180 degrees (here). In this case the gesture recognition appears to go a step further and at least the hand appears to be extracted from the image. Or does it simply assume all movement is the hand? And then perhaps the position of the motion is categorized into left-middle-right? Maybe the velocity is calculated but I don’t think so.

Update: I do like the setup of how people can hold their phone with the camera in one hand, throw with the other and check their virtual throw on the display. The virtual throwing hand on the display is more or less in the same position as your physical hand, which I think is nice.

EyeSight is a techno start-up of 2004 from the Kingdom of Heaven (Tel Aviv) aspiring to use nothing but Air and a Camera to achieve a divine interaction between true techno-believers and their mobile phones. They prophetize that their technology will ‘offer users, including those who are less technologically-adept, a natural and intuitive way to input data, play games and use their mobile phone for new applications’. Heaven on Earth. Mind you, nothing is carved in stone these days. Besides, human nature and intuition are all too often deified these days anyway. Human nature is what usually gets us into trouble (not in the least in the Middle East).

Anyway, one of their angels called Amnon came to me in the night bearing the following message:

Hello Jeroen,
First Allow me to introduce myself. I’m Amnon Shenfeld, RND projects manager for eyeSight Mobile Technologies.
I’ve been following (and enjoying) your BLOG reports for a while, and I thought that the following news from my company, eyeSight Mobile Technologies, may make for an interesting post.
eyeSight has just launched “Ninja Strike”, an innovative mobile game featuring a unique touch free user interface technology we call eyePlay™. Allow me to provide some background information about eyeSight, eyePlay and Ninja Strike: I’m sure you are aware of the popularity and attention innovative user interfaces are getting since the introduction Apple’s IPhone and Nintendo’s Wii… My company’s vision is to bring this technology into the mobile market, and our first products are focused on changing the way mobile gamers play. Our new game, “Ninja Strike”, does exactly this.
You play a ninja warrior with Ninja Stars as your primary weapon. Your stars are thrown by making a throwing motion in front of the phone’s camera. Much like training in real life, during the game you will learn how to throw your weapon correctly, and improve your aim. Your enemies, the evil Kurai ninjas, will also gain strength as the game advances…
Looking forward to hear from you, I hope to see a new post in your blog soon, you’ve been quiet for a while… J
Amnon Shenfeld

Amnon, will you heed my calls? Have you answers to my burning questions above?

eyeSight
game demo

One Response to “Ninja Strike Airtime”

  1. 1
    The Application of the QRCode and iPhone future development « GreenSplash Weblog:

    [...] trend of the development of the future mobile phone: 1.    high end MP3 player, 2.    gesture control in applications & game development, like the Ninja Strike Airtime, a killer application for [...]

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