NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Quasi-conformal remapping for compensation of human visual field defects - Advances in image remapping for human field defectsImage coordinate transformations are investigated for possible use in a low vision aid for human patients. These patients typically have field defects with localized retinal dysfunction predominately central (age related maculopathy) or peripheral (retinitis pigmentosa). Previously simple eccentricity-only remappings which do not maintain conformality were shown. Initial attempts on developing images which hold quasi-conformality after remapping are presented. Although the quasi-conformal images may have less local distortion, there are discontinuities in the image which may counterindicate this type of transformation for the low vision application.
Document ID
19900045055
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Juday, Richard D.
(NASA Johnson Space Center Houston, TX, United States)
Loshin, David S.
(Houston, University TX, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Subject Category
Man/System Technology And Life Support
Meeting Information
Meeting: Optical Pattern Recognition
Location: Los Angeles, CA
Country: United States
Start Date: January 17, 1989
End Date: January 18, 1989
Accession Number
90A32110
Funding Number(s)
CONTRACT_GRANT: NIH-EY-07007
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available