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Article Dans Une Revue Displays Année : 2014

Visual discomfort of stereoscopic 3D videos: Influence of 3D motion

Jing Li
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Marcus Barkowsky
Patrick Le Callet

Résumé

Visual discomfort is one of the most frequent complaints of the viewers while watching 3D images and videos. Large disparity and large amount of motion are two main causes of visual discomfort. To quantify this influence, three objectives are set in this paper. The first one is the comparative analysis on the influence of different types of motion, i.e., static stereoscopic image, planar motion and in-depth motion, on visual discomfort. The second one is the investigation on the influence factors for each motion type, for example, the disparity offset, the disparity amplitude and velocity. The third one is to propose an objective model for visual discomfort. Thirty-six synthetic stereoscopic video stimuli with different types of motion are used in this study. In the subjective test, an efficient paired comparison method called Adaptive Square Design (ASD) was used to reduce the number of comparisons for each observer and keep the results reliable. The experimental results showed that motion does not always induce more visual discomfort than static conditions. The in-depth motion generally induces more visual discomfort than the planar motion. The relative disparity between the foreground and the background, and the motion velocity are identified as main factors for visual discomfort. According to the subjective results, an objective model for comparing visual discomfort induced by different types of motion is proposed which shows high correlation with the subjective perception.
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Dates et versions

hal-00951170 , version 1 (24-02-2014)

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Jing Li, Marcus Barkowsky, Patrick Le Callet. Visual discomfort of stereoscopic 3D videos: Influence of 3D motion. Displays, 2014, 35 (1), pp.49-57. ⟨10.1016/j.displa.2014.01.002⟩. ⟨hal-00951170⟩
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