Avoiding local minima in entropy-based SAR autofocus

IEEE Workshop on Statistical Signal Processing Proceedings

Volumn 2003-January, Issue , 2003, Pages 454-457

  Morrison, R L ^a   Munson, D C ^a   Do, M N ^a  

^a University of Illinois at Urbana Champaign   (United States)

Author keywords

Computer errors; Entropy; Error correction; Frequency; Image converters; Image reconstruction; Image restoration; Phase estimation; Simulated annealing; Synthetic aperture radar

Indexed keywords

ENTROPY; ERROR CORRECTION; ERRORS; FREQUENCY ESTIMATION; IMAGE CONVERTERS; IMAGE RECONSTRUCTION; RADAR; RADAR IMAGING; RANDOM ERRORS; RESTORATION; SIGNAL PROCESSING; SIMULATED ANNEALING; WAVELET ANALYSIS; WAVELET DECOMPOSITION;

AUTO-FOCUS ALGORITHM; COMPUTER ERRORS; DECOMPOSITION TECHNIQUE; FREQUENCY; GLOBAL ENTROPY; OPTIMIZATION STRATEGY; PHASE ESTIMATION; SIMULATED ANNEALING TECHNIQUES;

SYNTHETIC APERTURE RADAR;

EID: 34548281594     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/SSP.2003.1289445     Document Type: Conference Paper

References (3)

1. R. L. Morrison, Jr. and D. C. Munson, Jr. An experimental study of a new entropy-based SAR autofocus technique. In Proc. of the IEEE International Conference on Image Processing, pages 441-444, 2002.
2. P.J.M. van Laarhoven and E.H.L. Aarts. Simulated Annealing: Theory and Applications. D. Reidel Publishing Co., Boston, 1987.
3. L. Xi, L. Guosui, and J. Ni. Autofocusing of ISAR images based on entropy minimization. IEEE Transactions on Aerospace and Electronic Systems, 35(4):1240-1252, October 1999.