| A multi-domain approach for enhancing text display for users with visual aberrations |
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ACM SIGACCESS Conference on Assistive Technologies
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Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility
table of contents
Portland, Oregon, USA
Pages: 34 - 39
Year of Publication: 2006
ISBN:1-59593-290-9
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| Bibliometrics |
Downloads (6 Weeks): 4, Downloads (12 Months): 128, Citation Count: 2
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ABSTRACT
In this paper, we describe a multi-domain approach for enhancing text displayed on a computer screen for users with visual aberrations. This research is based on a priori knowledge of the user's visual aberration, as measured by a wavefront analyzer. With this information it is possible to generate text that, when displayed to this user, will counteract his/her visual aberration. The method described in this paper advances the development of techniques for providing such compensation by integrating spatial information in the image as a means to eliminate some of the shortcomings inherent in using display devices such as monitors or LCD panels.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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J. W. Goodman, Introduction to Fourier Optics. New York: McGraw-Hill Book Company, 1968.
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M. Alonso Jr., A. Barreto, M. Adjouadi, and J. A. Jacko, "HOWARD: High-Order Wavefront Aberration Regularized Deconvolution for enhancing graphic displays for visually impaired computer users," Lecture Notes in Computer Science, vol. 4061, pp. 1163--1170, 2006.
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R. G. Wilson, Fourier Series and Optical Transform Techniques in Contemporary Optics: An Introduction. New York: John Wiley and Sons, Inc., 1995.
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M. Alonso Jr., A. B. Barreto, M. Choudhury, and J. A. Jacko, "Software-based Compensation of Visual Refractive Errors of Computer Users," Biomedical Sciences Instrumentation, vol. 41, pp. 229--234, 2005.
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Miguel Alonso, Jr. , Armando Barreto , Julie A. Jacko , Malek Adjouadi, Verification of computer display pre-compensation for visual aberrations in an artificial eye, Proceedings of the 7th international ACM SIGACCESS conference on Computers and accessibility, October 09-12, 2005, Baltimore, MD, USA
[doi> 10.1145/1090785.1090834]
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C. E. Campbell, "Matrix method to find a new set of Zernike coefficients from an original set when the aperture radius is changed " Journal of the Optical Society of America, vol. 20, pp. 209--217, 2003.
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CITED BY 2
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Miguel Alonso, Jr. , Armando Barreto , Julie A. Jacko , Malek Adjouadi, Evaluation of onscreen precompensation algorithms for computer users with visual aberrations, Proceedings of the 9th international ACM SIGACCESS conference on Computers and accessibility, October 15-17, 2007, Tempe, Arizona, USA
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INDEX TERMS
Primary Classification:
I.
Computing Methodologies
I.4
IMAGE PROCESSING AND COMPUTER VISION
I.4.3
Enhancement
General Terms:
Algorithms,
Design,
Experimentation,
Human Factors,
Measurement,
Performance,
Theory,
Verification
Keywords:
deconvolution,
pre-compensation visual aberration,
spatial processing,
wavefront aberration function,
wavefront analysis
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