Imaging Components, Systems, and Processing

Image reconstruction for single detector rosette scanning systems based on compressive sensing theory

[+] Author Affiliations
Hande Uzeler, Serdar Cakir, Tayfun Aytaç

TÜBİTAK BİLGEM İLTAREN, Şehit Yzb. İlhan Tan Kışlası, 2432. cad., 2489. sok., TR-06800 Ümitköy, Ankara, Turkey

Opt. Eng. 55(2), 023108 (Feb 26, 2016). doi:10.1117/1.OE.55.2.023108
History: Received May 30, 2015; Accepted January 25, 2016
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Abstract.  Compressive sensing (CS) is a signal processing technique that enables a signal that has a sparse representation in a known basis to be reconstructed using measurements obtained below the Nyquist rate. Single detector image reconstruction applications using CS have been shown to give promising results. In this study, we investigate the application of CS theory to single detector infrared (IR) rosette scanning systems which suffer from low performance compared to costly focal plane array (FPA) detectors. The single detector pseudoimaging rosette scanning system scans the scene with a specific pattern and performs processing to estimate the target location without forming an image. In this context, this generation of scanning systems may be improved by utilizing the samples obtained by the rosette scanning pattern in conjunction with the CS framework. For this purpose, we consider surface-to-air engagement scenarios using IR images containing aerial targets and flares. The IR images have been reconstructed from samples obtained with the rosette scanning pattern and other baseline sampling strategies. It has been shown that the proposed scheme exhibits good reconstruction performance and a large size FPA imaging performance can be achieved using a single IR detector with a rosette scanning pattern.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Hande Uzeler ; Serdar Cakir and Tayfun Aytaç
"Image reconstruction for single detector rosette scanning systems based on compressive sensing theory", Opt. Eng. 55(2), 023108 (Feb 26, 2016). ; http://dx.doi.org/10.1117/1.OE.55.2.023108


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