Accessible Maps for the Blind: Comparing 3D Printed Models with Tactile Graphics
summary
A controlled study with 16 touch readers compares tactile graphics and 3D printed maps of parks and multi-level train stations and finds a strong, statistically significant preference for 3D models. 3D enables iconic symbols that people identify with less help, yields modest gains in short-term recall and easier perception of relative height, and prompts novel hand-over-top systematic scanning. A campus case study builds low-cost interactive audio labels that users prefer and control.
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chapters (9)
- 0:00Introduction and background
- 1:433D printing vs tactile maps
- 3:32Literature review and goals
- 4:48Pilot studies and findings
- 5:53Controlled study design
- 10:10Study results and analysis
- 12:41Interactive audio labels
- 14:32Conclusion and future work
- 16:15Q&A session
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