Abstract
This paper examines shooting methods for natural 3-D images in 3-D program production. Although toed-in and parallel camera configurations are both possible, toed-in configuration is usually used because shooting and viewing conditions can be easily set to obtain the desired 3-D design. However, this camera arrangement has been shown to bring about inconsistencies between the depth information from perspective of the lenses and the depth information from binocular parallax, leading to size distortion called the Puppet Theater Effect. In contrast, geometrical calculations show that the parallel camera arrangement does not cause such inconsistencies under specific shooting and viewing conditions called “orthostereoscopic conditions.” The possibility of representing 3-D images using this method is studied through 3-D program production. Subjective evaluation tests show that the 3-D images shot under orthostereoscopic conditions look more natural than those shot by toed-in camera configurations at any display size.
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