Study on Transparent-Resinous-Ultraviolet-Curing-Type Braille and tactile guide map for visually impaired

本研究的目的是提出一种高分辨TRUCT的产生方法（透明树脂紫外线固化型）盲文，为TRUCT盲文提供了一个有鉴别力的盲文学习辅助工具，并获得了基础数据，为制定与触觉引导地图显示方法相关的日本工业标准（JIS）做出了贡献。我们定量地检查了3个因素的影响：即，盲文图案（点距、点高）、基底材料和食指光滑度对TRUCT盲文识别率的影响。首先，我们找到了盲文初学者容易辨别的TRUCT盲文基本模式，以及不影响TRUCT盲文辨别能力的TRUCT盲文印刷条件。由于一些制造商可以参考我们在印刷TRUCT盲文的研究结果，因此对研究结果进行了全面评估。第二，研究发现，TRUCT盲文的可辨别性受到 ...更多信息 研究人员发现，当盲文学习者的食指被平面编织的尼龙覆盖时，他们的食指滑动更顺畅，因此更容易区分它们。此外，我们还生产了由聚酯无纺布制成的手指套，使识别每个点的信号更容易通过界面材料而不是通过尼龙传输。我们还发现，穿着聚酯无纺布手指套，使盲文学习者能够更有效地区分TRUCT盲文。几年后，我们可能会把这个手指套作为TRUCT盲文识别辅助工具投入实际使用，供日本的盲文学习者使用。关于触觉引导图，我们研究了触觉符号大小对其识别能力的影响。每个触觉符号的大小和辨别时间之间的关系变得清晰。这些数据可能有助于导出显示触觉引导地图的标准化方法。JIS于2007年3月制定了触觉指南地图的显示方法。由于JIS每五年进行一次审查，我们将继续研究触觉指南地图的使用情况。在这个实验中，我们使用了通过丝网印刷技术制作的试件。我们认为，除了这三种形状之外，触觉符号的形状、生产方法和基底材料（如纸、金属和塑料）的类型都会影响识别率。进一步的研究是必要的，以探讨几个因素对触觉符号的可辨别性的影响。少

The purpose of this study was for proposing method of producing highly discriminable TRUCT (Transparent-Resinous-Ultraviolet-Curing-Type) Braille, providing TRUCT Braille with a discriminating assistive tool for Braille learners, and getting fundamental data to make a contribution to the establishment of Japanese Industrial Standards (JIS) related to display methods for tactile guide maps.Regarding TRUCT Braille, we quantitatively examined the influence of 3 factors : i, e., Braille pattern (dot-distance, dot-height) ; base material and forefinger slipperiness, on discriminability of TRUCT Braille. Firstly, we found the basic TRUCT Braille patterns that are easy for Braille beginners to discriminate, and TRUCT Braille printing-conditions that have no influence on discriminability of TRUCT Braille. As some makers could refer to our findings in printing TRUCT Braille, the findings are fully evaluated. Secondly, it was found that the discriminability of TRUCT Braille is influenced by the … More forefingers' slipperiness and it becomes easier to discriminate them when Braille learners' forefingers are covered by plane-weaved nylon as their forefingers slide more smoothly. In addition, we produced a finger cover made of polyester non-woven fabric that allows the signals for identifying each dot easier to transmit through the interface material than through nylon. We also found that wearing polyester non-woven fabric finger cover enables the Braille learners to discriminate TRUCT Braille more efficiently. After some years, we may put into practical use this finger cover as TRUCT Braille discriminating assistive tool for Braille learners in Japan.Regarding tactile guide map, we examined the influence of tactile symbol size on their discriminability. The relation between each tactile symbol size and discrimination time became clear. This data might be helpful in efforts to derive a standardized method of displaying tactile guide maps. JIS enacted display methods of tactile guide maps in 2007 March. As JIS come up for review once every five years, we will continuously research tactile guide map usage. In this experiment, we used test-pieces made by a screen printing technique. We think that tactile symbol shapes other than these three shapes, methods of production and type of base material (such as paper, metal and plastics) will influence discriminability. Further research is necessary to investigate the effects of several factors on the discriminability of tactile symbols. Less