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Compressive sensing super resolution from multiple observations with application to passive millimeter wave images

Journal Article · · Digital Signal Processing
 [1];  [2];  [2];  [2];  [3]
  1. University of Granada, Granada (Spain); Northwestern University
  2. University of Granada, Granada (Spain)
  3. Northwestern University, Evanston, IL (United States)
In this study we propose a novel framework to obtain high resolution images from compressed sensing imaging systems capturing multiple low resolution images of the same scene. The proposed approach of Compressed Sensing Super Resolution (CSSR), combines existing compressed sensing reconstruction algorithms with a low-resolution to high-resolution approach based on the use of a super Gaussian regularization term. The reconstruction alternates between compressed sensing reconstruction and super resolution reconstruction, including registration parameter estimation. The image estimation subproblem is solved using majorization-minimization while the compressed sensing reconstruction becomes an l1-minimization subject to a quadratic constraint. The performed experiments on grayscale and synthetically compressed real millimeter wave images, demonstrate the capability of the proposed framework to provide very good quality super resolved images from multiple low resolution compressed acquisitions.
Research Organization:
Northwestern University, Evanston, IL (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0002520
OSTI ID:
1487694
Alternate ID(s):
OSTI ID: 1346578
Journal Information:
Digital Signal Processing, Journal Name: Digital Signal Processing Journal Issue: C Vol. 50; ISSN 1051-2004
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Fast and Robust Multiframe Super Resolution journal October 2004
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