Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Online Braille(also: Web Braille, Digital Braille, Electronic Braille)
- Online Braille refers to Braille content that is generated, distributed, or accessed through the Internet or digital platforms, as opposed to traditional embossed paper Braille. This includes web-based Braille translation services, downloadable Braille-formatted files such as…
- Optical Braille Recognition(also: OBR)
- A technology that uses cameras or optical sensors to detect and interpret embossed Braille characters, converting them into digital text. Optical Braille recognition works by capturing images of Braille pages and analysing the patterns of raised dots — typically by detecting…
- Opticon(also: Optical-to-Tactile Converter)
- An early assistive technology device developed by Dr. James Bliss in the 1960s that converts printed text into a tactile vibrating pattern that can be read with the fingertip. The Opticon uses a small camera to scan printed characters and reproduces them as patterns of vibrating…
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