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  • Article Psychology

    Changing weight perception using augmented reality

    by Takahiro Higuchi - February 22, 2023

    Augmented reality (AR) is a technology that renders computer-generated (CG) images onto the physical world in real time. To establish technology to alter weight perception using CG images in an AR environment, we investigated whether the size of virtual objects superimposed on a physical object would affect perceived heaviness. Participants (n = 22) wore a head-mounted display with a stereo camera and observed an object overlaid with a CG image. They lifted the object vertically and rated its subjective heaviness. We found that the virtually smaller object was perceived to be heavier than the virtually larger object among a large share of participants, indicating that a well-known phenomenon, the size-weight illusion (SWI), occurred. The SWI did not occur when the virtual size became larger or smaller after movement to reach the object was initiated. Our results suggest that presenting virtual objects in an AR environment effectively altered weight perception.

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  • Article Business & Management Economics Education Others Psychology

    The Effect of Auditory Stimulation on College Sports Team and University Identification of Media Spectators: Focusing on the Presence or Absence of Live Play-by-Play Announcements and Commentary

    by Masaya Muneda - February 25, 2023

    This study aimed to determine how college sports team identifications and university identifications of college sports media viewers differ depending on the presence or absence of live play-by-play announcements and commentary. The participants in the experiment were 115 students from University A. A screening survey was conducted to confirm that these were essential attributes, resulting in 58 and 57 participants in the groups with commentary and without commentary, respectively. We conducted an Internet survey with these two groups of experimental participants before and after watching videos of the games. The results showed that only the group with commentary demonstrated improvements in the "public evaluation" of the college sports team and university identification (College sports team: F (1, 113) = 5.28, p < .05; University: F (1, 113) = 5.28, p < .05).

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  • Article Information Sciences

    Measurement of Motor-vehicle Traffic Volume Using Camera Images and Artificial Intelligence

    by Ryuichi Imai - June 5, 2022

    In Japan, road traffic censuses are conducted to assess road traffic conditions. Recently, techniques for counting traffic volume from video images have been attracting considerable attention in order to improve work efficiency and save labor, and a large number of technologies have been developed. However, since traffic volume surveys are often conducted 24 hours a day, day and night, at various sites and under various weather conditions, existing technologies have yet to reach the counting accuracy required in practice. The authors aim to develop techniques for traffic volume surveys applicable in practice by applying artificial intelligence. This paper reports the results of a case study in which the proposed techniques were applied to the video taken during actual traffic volume surveys.

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  • Secondary Publication Business & Management Economics

    Nature Versus Artifact Body II:Sollen, Central Dualism, and Chameleon Criteria

    by Masayuki Matsui - December 12, 2022

    Contrary to Wiener’s work, the subject of Sein and Sollen in “nature versus artifact bodies” was logically re-examined using a white-box (pair-matrix) approach and formalized on pair-map (microcosm) under closed-earth versus smart-world conditions. This body science and Sollen of 3M&I variety (pair-map) would be probably developed at the type of ternary SW, which resembles the Eastern danshari concept, and is likely due to the motion–energy dualism under Newton’s laws (analog type), or equivalently, the amount–value dualism under Matsui’s law and dualism (discrete type). For this body’s central dualism, a pair map (rotational phase) was characterized in 1983 based on the microcosm of cross-ellipse images in a matrix of input–output pairs. At the paper, this field theory is physically formulated, solving the pair matrix, ternary SW and its central dynamism in a body of input-output. The observed underlying condensed structure (time model), and the internalized (embedded) dynamism (fractal and wave motion equations), are numerically clarified based on the expansion of the corporate-producing entity pair maps in Matsui’s theory. Furthermore, it is demonstrated that the center of the pair-map hyperplane corresponds to a black hole (manifesting in the form of a conical dip that warps spacetime), collapsing the artifact bodies. Finally, interesting issues and findings are reported regarding the central dualism, progressive physics and chameleon criteria (medium), and are related to pair-map.

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