| http://www.w3.org/ns/prov#value | - n Japanese Laid-Open Patent Publication No. 6-295333, will be described with reference to FIGS. 7 to 12. [0010] Firstly, the conventional omnidirectional camera using a two-sheeted hyperboloidal mirror will be described with reference to FIGS. 7 and 8. [0011]FIG. 7 is a diagram illustrating a two-sheeted hyperboloid.
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