Title :
Super-resolution of interleaved sampled signals
Author :
Justice, D.H. ; Trussell, H.J. ; Hartwig, R.E.
Author_Institution :
Dept. of Electr. & Comput. Eng., North Carolina State Univ., Raleigh, NC, USA
Abstract :
A single ADC is often used to digitize several channels. In this application, the channels are sampled sequentially in time. This results in signals that are correlated but are not sampled at the same time. Bandlimited interpolation can be used to obtain signals with the same sampling times. However, methods that were recently developed for digital cameras can be used to achieve resolution beyond the Nyquist limit of the sampling rate of a single channel. This work demonstrates the effectiveness of this method on stereo signals and shows it to be robust to estimations of the modelling parameters.
Keywords :
bandlimited signals; correlation methods; interpolation; parameter estimation; signal resolution; signal sampling; ADC; bandlimited interpolation; correlation; digital cameras; interleaved sampled signals; modelling parameter estimation; sequentially sampling; stereo signals; super-resolution; Analog-digital conversion; Application software; Color; Digital cameras; Interpolation; Robustness; Sampling methods; Signal resolution; Switches; Timing;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03). 2003 IEEE International Conference on
Print_ISBN :
0-7803-7663-3
DOI :
10.1109/ICASSP.2003.1201665