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Adapting haptic game devices for non-visual graph rendering.
... • Multimodal exploration of graphs for statistical data [72,73,30,200]. ...
Abstract In this research we implemented,three different methods,for presenting scientific graphs to blind and visually impaired people. Each rendering method employed either audition, kinesthetic or a combination of those two modalities. In order to allow for distance learning, we have used low cost portable devices for the output graph rendering. The three modes,of representation were then compared,by three separate groups of blind and visually impaired computer,users. Each group consisted of four participants. Results reveal that the combination,of both audio and kinesthetic modalities can be a promising representation medium,of common,scientific graphs for visually challenged people. KEYWORDS
Personal computers, palm top computers, media players and cell phones provide instant access to information from around the
world. There are a wide variety of options available to make that information available to people with visual disabilities,
so many that choosing one for use in any given context can often feel daunting to someone new to the field of accessibility.
This paper reviews tools and techniques for the presentation of textual, graphic, mathematic and web documents through audio
and haptic modalities to people with visual disabilities.
This study implemented three different methods for presenting scientific graphs to visually impaired people: audition, kinesthetics, or a combination of the two. The results indicate that the combination of both audio and kinesthetic modalities can be a promising representation medium of common scientific graphs for people who are visually impaired.
This paper reports on the design of an audio-haptic tool that
enables blind computer users to explore a picture by the hearing and
feeling modalities. The tool is divided in two entities: a description
tool and an exploration tool. The description tool allows moderators
(sighted person) to describe a scene. Therefore, the scene is firstly
segmented manually or automatically into a set of objects (car, tree,
house, etc.). For. every object, the moderator can define a behavior
which correspond either to an auditory (i.e., using speech or non-speech
sound) or to a kinesthetic rendering. The blind person uses the
exploration tool in order to obtain the audio-haptic rendering of the
segmented image previously defined by the moderator. Depending on the
nature of the feedback defined (audio, kinesthetic), the blind user
interacts either with a graphic tablet and/or a force feedback device
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