Bruce Thomas wrote:
I know laptops are starting have them, but lets see 3D graphics in a smaller form factor computer.
yohan baillot wrote:
it seems clear that most of us that do mobile AR spend quite some time finding and assembling off-the-shelf hardware instead of focusing on the applications. "If" we can determine some common specifications we may be able to present them to hardware manufacturers along with some example of killer apps that this would enable and "may be" they would be then interested to include our wish in their next generation hardware.
It would be very interesting to have powerful 3D graphics running on PDAs, cell phones, and other (really) mobile appliances, and attach a HMD to them. This has been my research interest for some time, and in our TreD-project we have implemented both a wired and mobile 3D City Guide. The interface includes a map, a service database search, and the 3D model of a city. The mobile (non-HMD) thing is not public, but the wired version can be viewed at http://www.uta.fi/hyper/projektit/tred/.
The mobile version is basically a laptop with GPS and compass. Such systems may be available for PDAs after some years. The PDAs may use WLAN, UMTS, or such fast wireless networks. We have also made a usability study with real people walking on streets, and they preferred the 3D visualization over the 2D map. There are also some published papers on the system and usability studies.
I am interested to collect relevant papers, companies, initiatives, etc. on mobile 3D graphics and related issues. In addition to many AR trials, I am aware of the ones given below. Does anybody know some more? I would be grateful.
Japanese J-Phone has announced that they will bring a 3D-capable cell phone to market in 2002, http://www.3gnewsroom.com/3g_news/jun_01/news_0740.shtml.
There is a 3D engine for EPOC platform, an implementation of OpenGL 3D rendering for the Palm platform, and Cortona CE VRML browser for Pocket PC.
Springtoys Oy and Fathammer Ltd. are making 3D games for cell phones and PDAs.
There is also a whitepaper about mobile 3D graphics devices, http://www.hybrid.fi/whitepaper.
NeoMagic has announced the 3D-capable MiMagic chipset for handheld Internet appliances.
Arcus Software Oy produces 3D maps for web browsers and wireless devices, and develops software solutions for 3D mapping process.
G-cluster is providing another way to deliver 3D graphics into PDA devices. It renders 3D games in a server and delivers the downscaled screen of a 3D game over a WLAN hotspot to a PDA device. This enables wireless gaming with PDAs.
Wireless World Research Forum, http://www.wireless-world-research.org/, is developing 4G mobile technology, applications, and visions. Some work and ideas in the forum have been presented which use 3D graphics, virtual reality, and augmented reality.
Krikke, J., Graphics applications over the wireless Web: Japan sets the pace. IEEE Computer Graphics and Applications, Vol. 21, No. 3, May/Jun 2001, pp. 9-15. is a good intro to wireless issues.
Ismo Rakkolainen, ira@c ........, www.cs.tut.fi/~ira/
Tampere University of Technology
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