MoCap Data and Math

Kitagawa, Midori; Windsor, Brian

doi:10.1016/b978-0-240-81000-3.50015-2

Cited by 3 publications

(4 citation statements)

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“…Many animation enthusiasts tend to look with disdain at the work of Zemeckis, claiming that PeCap diminishes the role of the animator. Contemporary literature focused on MoCap and animation tends to suggest the opposite of this, where the act of performance is diminished and often looked on with disdain (see Liverman 2004;Kitagawa and Windsor 2008;Hayes and Webster 2013). The position of the costumed performer (and performance) needs to be reasserted in this mode of production.…”

Section: Mocap and Pecapmentioning

confidence: 99%

The costume of MoCap: A spatial collision of velcro, avatar and Oskar Schlemmer

Delbridge¹

2014

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The rationale that governs motion of the organic in the cubical leans towards a transformation of the body in space, emphasizes its mathematical properties and highlights the potential to measure and plot movement – this is the work of a Motion Capture (MoCap) system. The translation in the MoCap studio from physical to virtual is facilitated by the MoCap suit, a device that determines the abstract cubical representation that drives first the neutral, and then the characterized avatar in screen space. The enabling nature of the suit, as apparatus, is a spatial phenomenon informed by Schlemmer’s abstract ‘native’ costume and his vision of the Tanzermensch as the most appropriate form to occupy cubical space. The MoCap suit is similarly native. It bridges the physical and virtual, provides a Victor Turner like threshold and connection between environments, enacting a spatial discourse facilitated by costume. This collision of Velcro, Avatar and Oskar Schlemmer allows a performance of space, binding historical modernity to contemporary practice. This performance of activated space is captured by a costume that endures, in Dorita Hannah’s words, despite the human form.

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Section: Mocap and Pecapmentioning

confidence: 99%

The costume of MoCap: A spatial collision of velcro, avatar and Oskar Schlemmer

Delbridge¹

2014

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“…Related Work." Today, however, humanbody motions can be accurately measured by using a motioncapture (Mocap) system [4]. Analyzing Mocap data allows us to evaluate the motion characteristics of folk dances in a more objective and quantitative manner.…”

Section: Introductionmentioning

confidence: 99%

“…In this study, we focus on motion analysis. The motion characteristics of Japanese folk dances have been investigated mainly from the qualitative viewpoint, as will 1 Graduate School of Engineering Science, Akita University, Akita 010-8502, Japan 2 Digital Art Factory, Warabi-za Co., Ltd., Semboku, Akita 014-1192, Japan 3 Collage of Information and Systems, Muroran Institute of Technology, Muroran, Hokkaido 050-8585, Japan 4 Faculty of Education and Human Studies, Akita University, Akita 010-8502, Japan 5 Tohoku University of Community Service and Science, Sakata, Yamagata 998-8580, Japan a) miura@mail.ee.akita-u.ac.jp be mentioned in "2. Related Work."…”

Section: Introductionmentioning

confidence: 99%

Development of a Visualization Method for Motion-characteristic Distribution of Japanese Folk Dances - A Case Study of the Bon Odori Dance

Miura

Kaiga²,

Shibata

et al. 2018

Journal of Information Processing

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This study proposes a method to systematically visualize the motion-characteristic distribution of Japanese folk dances passed down in a certain area. This is accomplished by adopting an approach that involves analyzing motion-capture data collected from the dances. The visualization process in the proposed method consists of three stages. The first stage is the modeling of the relationship among motion-capture data, folk dances, and the settlements in which folk dances have been passed down. This relationship is modeled as a hierarchical-structure model. The second stage is the extraction of motion characteristics from motion-capture data streams. The motion characteristics of each data stream are summarized as a fourteen-dimensional feature vector. The third stage is the visualization of the motion-characteristic distribution of the dances investigated. Each of the dances is mapped on a two-dimensional scatter plot in accordance with the feature quantities obtained in the second stage. Information on the hierarchicalstructure model constructed in the first stage is also displayed. The analysis results for the distribution of Bon Odori dances showed that the proposed method could have almost completely visualized the motion-characteristic distribution of sample folk dances, while also demonstrating consistency with the knowledge of the dances acquired in the previous studies.

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“…Magnetic Mocap systems are known as those having several advantages; e.g., sensors give the information on both the position and the orientation, and are not occluded by non-metallic objects [1]. However, there is also a disadvantage that the wiring for sensors can limit a subject's motion [1].…”

Section: Introductionmentioning

confidence: 99%

Sensor Number Reduction in Skeleton Estimation from Magnetic Motion Capture Data

Miura

Kaiga²,

Tajima

et al. 2015

Journal of Information Processing

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Abstract:In this paper, we try to reduce the number of sensors used in skeleton estimation from magnetic motion capture data. A disadvantage of limiting the subject's motion caused by wiring for sensors can thereby be reduced. We remove the sensors attached to the lower legs and forearms. The parameters related to non-sensor body segments are estimated based on the biomechanical structure of the human body. Experimental results showed that the parameters were properly estimated by the present method, even though the number of sensors was reduced.

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MoCap Data and Math

Cited by 3 publications

References 0 publications

The costume of MoCap: A spatial collision of velcro, avatar and Oskar Schlemmer

The costume of MoCap: A spatial collision of velcro, avatar and Oskar Schlemmer

Development of a Visualization Method for Motion-characteristic Distribution of Japanese Folk Dances - A Case Study of the Bon Odori Dance

Sensor Number Reduction in Skeleton Estimation from Magnetic Motion Capture Data

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