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Untersuchte Arbeit:
Seite: 19, Zeilen: 3-18
Quelle: Papagiannakis et al. 2008
Seite(n): 6, Zeilen: 0
Before the recent introduction of UMPCs or cell phones with CPUs of significant computing power, PDAs were the only true mobile alternative for AR researchers. PDAs now have enhanced color displays, wireless connectivity, web-browser and GPS system. A number of computational issues made the use of older PDAs for AR difficult, primarily the lack of dedicated 3D capability and the lack of a floating point computational unit. However, some researchers were able to use the PDA for AR with some success. Wagner et al. demonstrated the Invisible Train [232], which used PDAs as handheld displays for AR applications (see figure 2.7). Makri et al. [133] allowed for a custom-made connection with a special micro-optical display as an HMD.

Smart phones are fully featured high-end cell phones featuring PDA capabilities, so that applications for data processing and connectivity can be installed on them. As the processing capability of smart phones is improving, this enables a new class of AR applications that use the smartphone’s camera for vision based tracking. Notable examples are from Wagner et al. [233], Henrysson et al. [91] and Olwal [160] utilizing them as final mobile AR displays.

Before the recent introduction of UMPCs or SmartPhones with CPUs of significant compute power, personal digital assistants (PDAs) were the only truly mobile alternative for AR researchers. PDAs now have enhanced color displays, wireless connectivity, web-browser, and global positioning system (GPS) system. However, a number of computational issues make their use difficult for AR due to lack of dedicated 3-D capability and floating point computational unit. Goose et al.,25 Reitmayr and Drummond,26 Wagner and Schmalstieg,17 Barakonyi and Schmalstieg,27 Wagner et al.,28 Gausemeier et al.29 have all employed them as handheld display devices for AR applications, whereas Makri et al.30 and Peternier et al.31 allowed for a custom-made connections with a special micro-optical display as an HMD.

[...]

Smartphones are fully featured high-end mobile phones featuring PDA capabilities, so that applications for data-processing and connectivity can be installed on them. Rashid et al.,32 Wagner and Schmalstieg,17 Henrysson et al.,33 Olwal34 utilize them as final mobile AR displays.

[...]

As the processing capability of smartphones is improving, their application use is increasing.

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