Abstract
The intensity of feeling and comfort are two contrasting aspects of 3D movies. This paper studies 3D comfort according to crosstalk, basic parallax, space motion, and depth of field based on pixels. A method for calculating 3D motion based on the XYZ axes is presented, and a pixel-based evaluation model of 3D comfort is established with parallax, motion, and other indexes. In order to support the production and evaluation process of 3D films, a 3D comfort evaluation tool is designed according to time series. As demonstrated experimentally, basic parallax, depth of field, and average crosstalk have certain impact on the entire 3D comfort, while space motion has a relatively salient effect. When applying our method, a steady control on 3D comfort is found in high-quality 3D films: About 92% of comfort is within the range of 1–3.5 points for Transformers: Age of Extinction (USA), whereas about 74% of comfort is within the range of 1–3.5 points for The Monkey King (China). Large depth of field for slow moving lens and small depth of field for fast moving lens were used in Avatar and Transformers, and these 3D art rules are not followed closely in The Monkey King. As a basic tool for 3D film production, our proposed method can be applied in creating, shooting, producing, and monitoring for a 3D film.
© 2016 IEEE
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