The Japanese Journal of Ergonomics
Online ISSN : 1884-2844
Print ISSN : 0549-4974
ISSN-L : 0549-4974
Practice report
Effect of Shot Composition, Continuity Assurance Method and Shot Size on Subjective Perception of Continuity during Transitions while Viewing Videos
A Case of 3DCG Videos
Makoto SUDO Kiyoko YOKOYAMA
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2022 Volume 58 Issue 5 Pages 223-231

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Abstract

We studied the effect of shot composition, continuity assurance method and shot size on continuity during transitions. As stimuli, we used videos that adopted the three factors of shot composition (close to wide, wide to close), continuity assurance method (standard, mismatch on action, mismatch on position), and view angle (32°, 47°, and 66°). By creating the video with 3DCG, we intended to improve the accuracy of the analysis by securely fixing the factors other than the fluctuation factors of the analysis target. In the experiment, participants were presented with stimuli and evaluated whether or not the connection between the two shots was seen continuously on a five-point scale. As a result of the experiment, it was clarified that continuity was ensured when the shot composition used the “wide to close”. It was also suggested that the shot composition used affects the effect of “match on action”. The “match on action” and “match on position” methods for ensuring continuity were found to have the effect of ensuring continuity. This effect was recognized regardless of the shot composition or view angle.

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