By Topic

An interpolation technique for periodically sampled two-dimensional signals

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 $13
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)
Speake, T. ; Georgia Institute of Technology, Atlanta, Georgia ; Mersereau, R.

Two-dimensional signals are usually represented for the purpose of digital processing as rectangularly sampled functions of two orthogonal independent variables. It has been previously noted that sampling a signal on a hexagonal grid can offer substantial savings in digital storage and computation. In this paper these two sampling schemes will be generalized, via a matrix description, to include arbitrarily sampled 2-D signals. Using this matrix description and a generalized discrete Fourier transform, a technique will be presented for interpolating a set of sample points from one sampling grid to an alternative one. Since the analog signal from which the original samples were obtained is frequently unavailable for resampling, the ability to easily convert from one sampling scheme to another can be important in the efficient processing of a particular signal.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '81.  (Volume:6 )

Date of Conference:

Apr 1981