面向色觉异常人群的地铁站换乘引导标识色彩无障碍设计研究
周佳毅1方勇1魏万旭2胡华1郝妍熙1
Research on Color Barrier-Free Design of Subway Station Transfer Guidance Signage for People with Color Vision Deficiency
ZHOU Jiayi1FANG Yong1WEI Wanxu2HU Hua1HAO Yanxi1
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作者信息:1.上海工程技术大学城市轨道交通学院， 201620， 上海
2.上海竑粤交通科技有限公司， 201913， 上海
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Affiliation:1.School of Urban Railway Transportation, Shanghai University of Engineering Science, 201620, Shanghai, China
2.Shanghai Hongyue Transportation Technology Co., Ltd., 201913, Shanghai, China
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关键词:
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Key words:
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DOI:10.16037/j.1007－869x.20231016
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中图分类号/CLCN:U231.4
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栏目/Col:运营管理
摘要:
［目的］色觉异常人群相比色觉正常人群在地铁站换乘寻路时存在对引导标识色彩信息辨识困难的问题，为提升色觉异常人群在地铁站的换乘寻路效率，需对地铁站换乘引导标识进行色觉视认障碍分析。［方法］通过利用色觉模拟器和Tobii Pro Glasses 3眼动仪，开展色觉异常者在地铁站换乘寻路的视认试试验，总结换乘引导标识存在的色觉视认障碍问题；依据地铁站引导标识设计规范并结合眼动试验试验提出了调整引导标识环境照度水平、相邻线路色块图形形状及相邻线路字体粗细3种地铁站换乘引导标识色彩无障碍设计方案；以视认时间对比度为指标，结合不同方案下的指标水平提出了地铁站换乘引导标识色彩无障碍设计标准。［结果及结论］通过生成多个地铁站换乘引导标识色彩无障碍设计比选方案得出在换乘引导标识环境照度水平一定的情况下，将相邻线路色块图形调整为右边三角形，左边字体调整为粗体时，地铁站换乘引导标识的色彩信息视认性为最佳，相比调整单个设计元素视认时间对比度提升了10.26%。
Abstracts:
［Objective］ Compared to people with normal color vision, people with color vision deficiency (hereinafter referred to CVD) experience difficulties in recognizing the guidance signage color information in subway station transfer navigation. To enhance subway station transfer pathfinding efficiency for people with CVD, it is necessary to analyze the color perception barriers of the subway station transfer guidance signage. ［Method］ First, by using a color vision simulator and Tobii Pro Glasses3 eye tracker, visual recognition experiments for people with CVD in subway station transfer navigation are conducted to summarize the above color perception barrier problems in transfer guidance signage. Then, based on subway station guidance signage design specifications and combined with eye movement tests, three color accessible design schemes for subway station transfer guidance signage are proposed, including the ambient illumination level adjustment of the guidance signage, the color blocks′ graphic shape of adjacent lines, and the fonts thickness of the adjacent subway lines. Then, taking the visual recognition time contrast ratio as an indicator, design standards of color accessible transfer guidance signage in subway stations are proposed in combination with the indicator levels under different schemes. ［Result & Conclusion］ By generating multiple color accessible design comparison schemes for subway station transfer guidance signage, it is concluded that under a certain environmental illumination level of the transfer guidance signage, the color information visibility of subway station transfer guidance signage is the best with adjacent line′s right color block graphic adjusted to triangle and left fonts adjusted to bold. Compared with adjusting a single design element, the visual recognition time contrast is improved by 10.26%.
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