Scheduled System Maintenance:
On Monday, April 27th, IEEE Xplore will undergo scheduled maintenance from 1:00 PM - 3:00 PM ET (17:00 - 19:00 UTC). No interruption in service is anticipated.
By Topic

Superresolution technique with edge-based ringing reduction for passive millimetre-wave images

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Lettington, A H ; J.J. Thomson Phys. Lab., Reading Univ., UK ; Hong, Q.H.

Images obtained by passive millimetre-wave systems are heavily blurred and band-limited owing to diffraction. A superresolution algorithm has been developed to improve their spatial resolution beyond the diffraction limit. Initially the spectrum of an image is restored within the passband but the resulting image then contains strong ringing owing to the lack of higher spatial frequencies. These ringing artifacts are then reduced using a piecewise-linear model which identifies and restores sharp edges, so introducing higher spatial frequencies beyond the passband. This method has been applied to synthetised and real millimetre-wave images, but may have applications in other fields such as in magnetic resonance imaging

Published in:

Vision, Image and Signal Processing, IEE Proceedings -  (Volume:141 ,  Issue: 1 )