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Exploring inbetween charts with trajectory-guided sliders for cutout animation.

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Title: Exploring inbetween charts with trajectory-guided sliders for cutout animation.
Authors: Fukusato, Tsukasa1 (AUTHOR) tsukasafukusato@waseda.jp, Maejima, Akinobu2,3 (AUTHOR), Igarashi, Takeo4 (AUTHOR), Yotsukura, Tatsuo2,3 (AUTHOR)
Source: Multimedia Tools & Applications. May2024, Vol. 83 Issue 15, p44581-44594. 14p.
Subjects: Animators, Motion
Abstract: We introduce an interactive tool to intuitively make inbetween charts for cutout character movements (i.e., transitioning from one image to another), inspired by cartoon animators' techniques. Given several keyframes, this system constructs trajectory-guided sliders that enable users to directly adjust inbetween values on a screen. In addition, these sliders can visualize simple inbetween timings to provide guidance on cartoon-like motions, such as animating "on twos" and "slow-in/out" in the background of the slider. Thus, the users can intuitively explore inbetween charts until they are satisfied. This method is simple enough to easily implement in existing animation-authoring tools. We conduct a user study with novice and amateur users and confirm that the proposed slider (including the guidance function) is effective for manually constructing the inbetween charts envisioned by the users. [ABSTRACT FROM AUTHOR]
Copyright of Multimedia Tools & Applications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Exploring inbetween charts with trajectory-guided sliders for cutout animation.
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  Data: We introduce an interactive tool to intuitively make inbetween charts for cutout character movements (i.e., transitioning from one image to another), inspired by cartoon animators' techniques. Given several keyframes, this system constructs trajectory-guided sliders that enable users to directly adjust inbetween values on a screen. In addition, these sliders can visualize simple inbetween timings to provide guidance on cartoon-like motions, such as animating "on twos" and "slow-in/out" in the background of the slider. Thus, the users can intuitively explore inbetween charts until they are satisfied. This method is simple enough to easily implement in existing animation-authoring tools. We conduct a user study with novice and amateur users and confirm that the proposed slider (including the guidance function) is effective for manually constructing the inbetween charts envisioned by the users. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Multimedia Tools & Applications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: May2024
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