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Creating Accessible Bitmapped Graphs for the Internet
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posted on 2023-06-08, 06:52 authored by Graham McAllister, Jacopo Staiano, Wai YuBitmapped graphs are the most frequently found form of graph contained on web pages. However, users who are blind or visually impaired currently find it difficult or impossible to access the data contained within such graphs, typically relying only on the ALT text description. This paper details an approach to creating bitmapped graphs for visually impaired users to access on the Internet. The process employs a combination of manual intervention from a web developer, and novel automatic algorithms that are specific for graph-based images. The approach identifies the important regions of the graph and tags them with meta-data. The meta-data and bitmap graph are then exported to a web page for sonification and exploration by the visually impaired user.
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Publication status
- Published
ISSN
0302-9743Publisher
SPRINGER-VERLAG BERLINExternal DOI
Volume
4129Pages
10.0Presentation Type
- paper
Event name
Lecture Notes in Computer ScienceEvent location
Glasgow, SCOTLANDEvent type
conferenceISBN
3-540-37595-3Department affiliated with
- Informatics Publications
Full text available
- No
Peer reviewed?
- Yes
Editors
D McGookin, S BrewsterLegacy Posted Date
2012-02-06Usage metrics
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