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Evaluation of phase retrieval approaches in magnified X-ray phase nano computerized tomography applied to bone tissue
- Source :
- Optics Express, Optics Express, Optical Society of America-OSA Publishing, 2018, 26 (9), pp.11110-11124. ⟨10.1364/OE.26.011110⟩, Optics Express, Optical Society of America, 2018, 26 (9), pp.11110-11124. 〈10.1364/OE.26.011110〉, 'Optics Express ', vol: 26, pages: 11110-11124 (2018)
- Publication Year :
- 2018
- Publisher :
- HAL CCSD, 2018.
-
Abstract
- International audience; X-ray phase contrast imaging offers higher sensitivity compared to conventional X-ray attenuation imaging and can be simply implemented by propagation when using a partially coherent synchrotron beam. We address the phase retrieval in in-line phase nano-CT using multiple propagation distances. We derive a method which extends Paganin's single distance method and compare it to the contrast transfer function (CTF) approach in the case of a homogeneous object. The methods are applied to phase nano-CT data acquired at the voxel size of 30 nm (ID16A, ESRF, Grenoble, France). Our results show a gain in image quality in terms of the signal-to-noise ratio and spatial resolution when using four distances instead of one. The extended Paganin's method followed by an iterative refinement step provides the best reconstructions while the homogeneous CTF method delivers quasi comparable results for our data, even without refinement step.
- Subjects :
- Materials science
Image quality
[SDV.IB.IMA]Life Sciences [q-bio]/Bioengineering/Imaging
Phase (waves)
[ SPI.SIGNAL ] Engineering Sciences [physics]/Signal and Image processing
Signal-To-Noise Ratio
01 natural sciences
Bone and Bones
030218 nuclear medicine & medical imaging
010309 optics
03 medical and health sciences
X ray optics
0302 clinical medicine
Optics
Iterative refinement
Phase contrast
0103 physical sciences
Humans
Femur
Image resolution
[ SDV.IB.IMA ] Life Sciences [q-bio]/Bioengineering/Imaging
Aged
Phase retrieval
Aged, 80 and over
Contrast transfer function
business.industry
Phantoms, Imaging
Phase-contrast imaging
Phase contrast imaging
Middle Aged
Atomic and Molecular Physics, and Optics
Radiographic Image Interpretation, Computer-Assisted
Attenuation coefficient
Female
Tomography
Diaphyses
business
Tomography, X-Ray Computed
[SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing
Subjects
Details
- Language :
- English
- ISSN :
- 10944087
- Database :
- OpenAIRE
- Journal :
- Optics Express, Optics Express, Optical Society of America-OSA Publishing, 2018, 26 (9), pp.11110-11124. ⟨10.1364/OE.26.011110⟩, Optics Express, Optical Society of America, 2018, 26 (9), pp.11110-11124. 〈10.1364/OE.26.011110〉, 'Optics Express ', vol: 26, pages: 11110-11124 (2018)
- Accession number :
- edsair.doi.dedup.....b8a8a9990a91899c7279ad6aa366f32b