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Information capacity of full-body movements

Published: 27 April 2013 Publication History

Abstract

We present a novel metric for information capacity of full-body movements. It accommodates HCI scenarios involving continuous movement of multiple limbs. Throughput is calculated as mutual information in repeated motor sequences. It is affected by the complexity of movements and the precision with which an actor reproduces them. Computation requires decorrelating co-dependencies of movement features (e.g., wrist and elbow) and temporal alignment of sequences. HCI researchers can use the metric as an analysis tool when designing and studying user interfaces.

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  1. Information capacity of full-body movements

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    cover image ACM Conferences
    CHI '13: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
    April 2013
    3550 pages
    ISBN:9781450318990
    DOI:10.1145/2470654
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    Published: 27 April 2013

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    Author Tags

    1. full-body movement
    2. gesture-based interfaces
    3. information capacity
    4. information theory
    5. measurement
    6. throughput

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    Overall Acceptance Rate 6,199 of 26,314 submissions, 24%

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