标题: 3D显示器互动介面技术之人因研究
Human Factor Research for User Interface of 3D Display
作者: 蔡登曜
Tsai, Teng-Yao
黄乙白
Huang, Yi-Pai
光电工程研究所
关键字: 人机互动;立体显示器;三维互动;人因研究;使用者介面;触控位置;Human-Computer Interaction;3D Display;3D Interaction;Human Factor Research;User Interface;Touching Position
公开日期: 2013
摘要:   为了让人类更轻松地操作计算机装置,人机互动(Human-computer interaction)的发展是近几年重要的研究主题之一。而立体显示器(3D display)的发展也越来越受到一般大众的欢迎,因此有了非常多元的应用。为了追求更真实更直觉的人机互动体验,在三维空间上与三维影像互动势必会成为未来发展的主流。然而三维影像是由左右眼观看不同影像融合成带有深度资讯的虚拟影像。当虚拟影像受到真实物件干扰容易造成人眼立体视觉的误判,使得人眼不容易判断出合理的深度资讯。所以与三维影像互动需要重新定义适当的操作位置。
  本研究之主要目的是为了提供合适的操作环境参数给立体显示器的人机互动介面。在过程中发现影响人眼立体视觉误判的两大主因为视差角(Angular disparity)与遮蔽效应(Blocking phenomenon)。由于单眼对焦(Accommodation)与双眼汇聚(Convergence)的不一致使得较大的视差角在判断触碰(Touching)与否的正确性(Correctness)下降。而遮蔽效应则会使这个问题变得更严重,不同的遮蔽比例(Blocking ratio)会影响观察者判断的正确率。因此,本研究根据不同的视差角与遮蔽比例统计观察者的触控范围(Touching range),并且根据合适的三维虚拟物件大小(Suitable size of 3D virtual object)定义出适当的触控位置(Appropriate touching position)。本研究也提供了不同的操作模式的设计建议,例如:增加虚拟参考物(Virtual reference)与加入影像信息反馈(Image feedback)。三维人机互动的设计者可以根据本研究提供的设计建议设计出更符合人性的人机互动介面。
In recent years, human-computer interaction and 3D displays has attracted more and more attentions. Hence, to interact or even touch with virtual 3D image on three-dimensional space must be the tendency in the future in order to accomplish more intuitive and natural experience. However, 3D image is fused by showing different images to left and right eye. When the virtual image is interrupted by a real object, such as fingertip, the judgment of stereoscopic vision easily makes confused, thus the user cannot perceive reasonable depth information. Therefore, the working range (position) of interaction/touch with 3D images should be defined carefully.
The objective of this research is to provide appropriate operational environment references for user interface of 3D display. Angular disparity and blocking phenomenon are found that are main factors which affect the judgment of stereoscopic vision. The correctness of judgment in large angular disparity is reduced because of discrepancy between accommodation and convergence, as well as the blocking ratios. Therefore, this dissertation provides appropriate touching position according to suitable size of 3D virtual object as the designing suggestion. Different operational conditions, such as adding virtual reference and giving image feedback, can enhance the virtual touching correctness. Finally, the interface designer of 3D human-computer interaction can refer to the results for more intuitive user interface.
URI: http://140.113.39.130/cdrfb3/record/nctu/#GT070050559
http://hdl.handle.net/11536/73443
显示于类别:Thesis