Database for Animation Studies


Effects of figural attributions in Obake on the speed impression

The images that inserted frames inducing apparent motion to express smooth or dynamic motion are called Obake in animations. It has been studied as objects guiding path of apparent motion. In the present study, I investigated the influence of figural information—spatial frequency and luminance contrast— of the Obake to the speed impression. It was shown that the speed impression is larger when any Obake inserted and that the spatial frequency influences on the speed impression while the contrast does not. From these facts. I suggested that the motion detection for apparent motion and figural information of the Obake are processed independently, and that, when the motion expression including Obake is perceived as a whole, figural processing for the Obake is one of the important factors influencing on the speed impression.

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