Number of co-authors:15
Number of publications with 3 favourite co-authors:Faisal Ahmed:1Maria Luisa Sapino:1Yevgen Borodin:1
Terri Hedgpeth's 3 most productive colleagues in number of publications:Qing Li:34I. V. Ramakrishnan:31Yevgen Borodin:23
Visual appearance is one of the most effective variables for quickly differentiating one application from another
-- Bob Baxley, 2003
Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess
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Publications by Terri Hedgpeth (bibliography)
Ahmed, Faisal, Borodin, Yevgen, Soviak, Andrii, Islam, Muhammad, Ramakrishnan, I. V. and Hedgpeth, Terri (2012): Accessible skimming: faster screen reading of web pages. In: Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 367-378.
In our information-driven web-based society, we are all gradually falling ""victims"" to information overload . However, while sighted people are finding ways to sift through information faster, Internet users who are blind are experiencing an even greater information overload. These people access computers and Internet using screen-reader software, which reads the information on a computer screen sequentially using computer-generated speech. While sighted people can learn how to quickly glance over the headlines and news articles online to get the gist of information, people who are blind have to use keyboard shortcuts to listen through the content narrated by a serial audio interface. This interface does not give them an opportunity to know what content to skip and what to listen to. So, they either listen to all of the content or listen to the first part of each sentence or paragraph before they skip to the next one. In this paper, we propose an automated approach to facilitate non-visual skimming of web pages. We describe the underlying algorithm, outline a non-visual skimming interface, and report on the results of automated experiments, as well as on our user study with 23 screen-reader users. The results of the experiments suggest that we have been moderately successful in designing a viable algorithm for automatic summarization that could be used for non-visual skimming. In our user studies, we confirmed that people who are blind could read and search through online articles faster and were able to understand and remember most of what they have read with our skimming system. Finally, all 23 participants expressed genuine interest in using non-visual skimming in the future.
© All rights reserved Ahmed et al. and/or ACM Press
Wang, Zheshen, Li, Baoxin, Hedgpeth, Terri and Haven, Teresa (2009): Instant tactile-audio map: enabling access to digital maps for people with visual impairment. In: Eleventh Annual ACM SIGACCESS Conference on Assistive Technologies 2009. pp. 43-50.
In this paper, we propose an automatic approach, complete with a prototype system, for supporting instant access to maps for local navigation by people with visual impairment. The approach first detects and segments texts from a map image and recreates the remaining graphical parts in a tactile form which can be reproduced immediately through a tactile printer. Then, it generates an SVG (Scalable Vector Graphics) file, which integrates both text and graphical information. The tactile hardcopy and the SVG file together are used to provide a user with interactive access to the map image through a touchpad, resulting in a tactile-audio representation of the original input image. This supports real-time access to the map without tedious conversion by a sighted professional. Evaluations with six users who are blind show that the created tactile-audio maps from our prototype system convey the most important map information and are deemed as potentially useful for local navigation.
© All rights reserved Wang et al. and/or their publisher
Candan, K. Selcuk, Dönderler, Mehmet E., Hedgpeth, Terri, Kim, Jong Wook, Li, Qing and Sapino, Maria Luisa (2009): SEA: Segment-enrich-annotate paradigm for adapting dialog-based content for improved accessibility. In ACM Transactions on Information Systems, 27 (3) p. 15.
While navigation within complex information spaces is a problem for all users, the problem is most evident with individuals who are blind who cannot simply locate, point, and click on a link in hypertext documents with a mouse. Users who are blind have to listen searching for the link in the document using only the keyboard and a screen reader program, which may be particularly inefficient in large documents with many links or deep hierarchies that are hard to navigate. Consequently, they are especially penalized when the information being searched is hidden under multiple layers of indirections. In this article, we introduce a segment-enrich-annotate (SEA) paradigm for adapting digital content with deep structures for improved accessibility. In particular, we instantiate and evaluate this paradigm through the iCare-Assistant, an assistive system for helping students who are blind in accessing Web and electronic course materials. Our evaluations, involving the participation of students who are blind, showed that the iCare-Assistant system, built based on the SEA paradigm, reduces the navigational overhead significantly and enables user who are blind access complex online course servers effectively.
© All rights reserved Candan et al. and/or ACM Press
Hedgpeth, Terri, Black, John A. and Panchanathan, Sethuraman (2006): A demonstration of the iCARE portable reader. In: Eighth Annual ACM Conference on Assistive Technologies 2006. pp. 279-280.
This demonstration will show the features and function of the portable iCARE Reader device, which allows people who are blind or visually impaired to read books (and other forms of printed text) in a more natural and convenient way than current tabletop flatbed scanner systems.
© All rights reserved Hedgpeth et al. and/or ACM Press
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