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Automatic visual to tactile translation--Part I: Human factors, access methods, and image manipulation
1Department of Electrical Engineering, University of Delaware, Newark 19716, USA.
IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
|March 1, 1997
Summary
This study explores converting visual images into tactile graphics for accessibility. It lays the groundwork for developing an automatic visual-to-tactile translator system.
Area of Science:
- Human-Computer Interaction
- Assistive Technology
- Image Processing
Background:
- Overview of human sensory systems and tactile perception, particularly for individuals with blindness.
- Exploration of access technologies for producing tactile graphics.
- Review of image processing techniques relevant to tactile image creation.
Purpose of the Study:
- To provide a comprehensive background for developing an automatic visual-to-tactile translation system.
- To motivate and evaluate a method for converting visual images into tactile form.
- To establish the foundation for the TACTile Image Creation System (TACTICS).
Main Methods:
- Literature review of human factors, sensory systems, and tactile perception.
- Analysis of existing access technologies for tactile graphics.
- Evaluation of image processing techniques for tactile image suitability.
Main Results:
- Identified key considerations in human factors for tactile graphics.
- Assessed the applicability of various image processing techniques for tactile translation.
- Established the theoretical basis for the TACTile Image Creation System (TACTICS).
Conclusions:
- The foundational research supports the development of automated visual-to-tactile image conversion.
- Understanding human tactile perception is crucial for effective tactile graphic design.
- Further development and evaluation of the TACTICS prototype are warranted.