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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Optom Vis Sci. 2014 Aug;91(8):1021–1030. doi: 10.1097/OPX.0000000000000326

Figure 4.

Figure 4

Alignments of enhanced edges at different distances photographed through Google Glass. Indoor scenes (A) without AR edge enhancement, and (B) with AR edge enhancement (desk lamp is about 10ft away) showing slight misalignment. Outdoor scenes on a cloudy Boston day (C) with a person standing at 50ft away, and (D) two people approaching from about 20ft and 40ft away. Note that alignment of the eye (in this case, a camera to take pictures) and the virtual display position are not exactly aligned (can be observed by the position of the virtual display within the frame, especially in (B), but the AR alignment is robust enough to provide ‘on top’ edges. A color version of this figure is available online at www.optvissci.com.