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Comfort in observing stereoscopic images reduced by vibration stimuli 被引量:1
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作者 Hiroshi Watanabe Hiroyasu Ujike 《Health》 2012年第11期1029-1035,共7页
Numerous studies have been conducted to illuminate the effect of image factors to reduce unexpected influence of stereoscopic images on healthy visual experience. In this paper, we introduce changes in the psychologic... Numerous studies have been conducted to illuminate the effect of image factors to reduce unexpected influence of stereoscopic images on healthy visual experience. In this paper, we introduce changes in the psychological and physiological indexes of observers of a stereo- scopic image disturbed by vibration stimuli. Forty-four healthy university students participated in the experiment. A programmable vibration table generated two types of vibrations (5 Hz and 20 Hz) and provided intermittent vibration stimuli to a stereoscopic projector installed on a vibration table. Our results showed that the frequency of vibration stimuli has a strong impact in evaluating the local comfort of subjects. Our results also showed that the indexes of visual fatigue increased after observation independent of the frequency. The activity status of the autonomic nervous system as a physiological index significantly increased after observing 3D images with vibration stimuli although the vibrational frequency did not have a significant effect on the activity status. 展开更多
关键词 3D MOVIE VIBRATION Stimuli Visual Fatigue HEART Rate VARIABILITY subjective comfort evaluation
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儿童机能鞋垫的功能性设计及研究 被引量:2
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作者 宋影 范浩军 +1 位作者 周晋 徐波 《中国皮革》 CAS 北大核心 2015年第17期52-55,共4页
从儿童足部生物力学数据库中筛选出了6~8岁年龄段的18位女童,对她们的足部生物力学特点进行分析,针对此阶段儿童足部发育特点设计了3款机能鞋垫,并经过主观舒适度评价进行验证。结果显示,3D成型的机能鞋垫得分远远高出鞋自带的软... 从儿童足部生物力学数据库中筛选出了6~8岁年龄段的18位女童,对她们的足部生物力学特点进行分析,针对此阶段儿童足部发育特点设计了3款机能鞋垫,并经过主观舒适度评价进行验证。结果显示,3D成型的机能鞋垫得分远远高出鞋自带的软而平的鞋垫。由此可知:儿童鞋垫应该尽量符合其足部的发育特点。有一定硬度的儿童鞋垫比软质鞋垫更能保护儿童的足部,稍高的跟杯设计是提高稳定性的重要途径。 展开更多
关键词 儿童 鞋垫设计 功能性 主观舒适度评价 生物力学
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