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AI for Good-Innovate for Impact

Use Case – 2: Machine Translations for Khmer Braille

Country: Cambodia

Organization: Cambodia Academy of Digital Technology

Contact person: Ly Rottana rottana.ly@ cadt .edu .kh

2�1� Use case summary table

Domain Accessibility (visually impaired)

The problem to be Lack of educational material for visually impaired people. Errors in braille
addressed translation software for Khmer language, cost of proprietary solutions.
Difficulties for customization in formulas or equations for math, physics,
and chemistry.

Key aspects of the Braille – Khmer, open source, specific fine tuning such as mathematical
solution formulas.

Technology Accessibility, Khmer, braille, open source.
keywords

Data availability Private
Metadata (type of Text data in Khmer and Braille.
data)

Model Training A statistical model with an accuracy of 85% (general text).
and fine-tuning

Testbeds or pilot Statistical vs Neural Machine Translations for Khmer Braille [1]
deployments https:// github .com/ iblouis/ braille -specs/ tree/ master/ khmer
l

2�2� Use case description

2�2�1 Description

The purpose of this use case is to help facilitate the communication between people who are
visually and sight impaired with others in Khmer Language. People with visual impairment are
among the vulnerable groups in our society, as they do not have the ability to freely see the
world as vision impaired people do [2].

While in most developed countries vulnerable groups can enjoy the same rights as others,
in developing nations like Cambodia, this group of people still requires further support for
better access and quality of life. Despite the availability of commercial Braille translation
software options, such as the Duxbury Braille Translator software, the comparatively high cost

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