Mathematical Problems in Engineering / 2012 / Article / Fig 1

Research Article

Fisheye-Lens-Based Visual Sun Compass for Perception of Spatial Orientation

Figure 1

Illustration of the classical sun compass. (a) A sketch of the principle of the classical sun compass. (b) Angles on the dial plate ( : the direction to be measured, : the azimuth angle of the sun, : the angle of the style’s shadow).
460430.fig.001a
(a)
460430.fig.001b
(b)

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