Immersive virtual reality (VR) based on head-mounted displays has been identified as one of the key interaction technologies of the future metaverse, which comprises diverse interconnected virtual worlds and users who traverse between those worlds and interact with each other. Interaction in immersive VR entails the use of avatars that represent users. Previous research has shown that avatar appearance (e.g., body type, body visibility, and realism) affects the senses of embodiment and presence, which are among the key indicators of successful immersive VR. However, research on how the similarity between an avatar’s face and the user’s face affects embodiment and presence is lacking. We conducted a mixed-method experiment with 23 young adults (10 males, 13 females, mean age: 25.22) involving a VR scene with rich embodiment, a virtual mirror, and interaction with a virtual character. The participants were assigned to two groups: Group 1 had avatars based on their own faces, and Group 2 had avatars based on a stranger’s face. The results indicated that Group 1 experienced higher embodiment with no significant differences in presence scores. Additionally, we identified moderate and significant correlations between presence and embodiment, including their subscales. We conclude that the realism and similarity in an avatar’s appearance is important for embodiment, and that both embodiment and presence are intertwined factors contributing to immersive VR user experience.
With the help of computer graphics technologies, the visual effects techniques using these technologies replaced most of special effects techniques which had been used for early films. For these changes, directors and visual effects creators make an effect in a scene through their mutual agreement in contemporary films. However, they undergo a lot of trial-and-error while making a visual effects scene because they cannot perfectly communicate their ideas due to the director's narrative language, and also because of the visual effect creator's language of computer graphics technology. This research suggests the design of a visual effects data retrieval system for efficient communication between directors and visual effects creators. This application provides the means to search a database analyzing visual effects scenes extracted from 14 remarkable movies in visual effect history by narrative and visual effects technique. They can search visual effects scenes using this application. also, this data can foster communication with directors and creators so they can make an efficient production pipeline.
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