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Open Access Green as soon as Postprint is submitted to ZB.
Improving optoacoustic image quality via geometric pixel super-resolution approach.
IEEE Trans. Med. Imaging 35, 812-818 (2016)
High fidelity optoacoustic (photoacoustic) tomography requires dense spatial sampling of optoacoustic signals using point acoustic detectors. However, in practice, spatial resolution of the images is often limited by limited sampling either due to coarse multi-element arrays or time in raster scan measurements. Herein, we investigate a method that integrates information from multiple optoacoustic images acquired at sub-diffraction steps into one high resolution image by means of an iterative registration algorithm. Experimental validations performed in target phantoms and ex-vivo tissue samples confirm that the suggested approach renders significant improvements in terms of optoacoustic image resolution and quality without introducing significant alterations into the signal acquisition hardware or inversion algorithms.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Image Processing ; Image Quality Enhancement ; Optoacoustic Imaging ; Photoacoustic Tomography ; Super Resolution; Super Resolution; Reconstruction; Tomography; Time; Registration; Microscopy; Mri
ISSN (print) / ISBN
0278-0062
e-ISSN
1558-254X
Quellenangaben
Volume: 35,
Issue: 3,
Pages: 812-818
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Publishing Place
New York, NY [u.a.]
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Biological and Medical Imaging (IBMI)