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Fast compressive Raman bio-imaging via matrix completion
- Source :
- Optica, Optica, 2019, 6, pp.341-346. ⟨10.1364/OPTICA.6.000341⟩, Repositori Universitat Jaume I, Universitat Jaume I
- Publication Year :
- 2018
-
Abstract
- Raman microscopy is a powerful method combining non-invasiveness with no special sample preparation. Because of this remarkable simplicity, it has been widely exploited in many fields, ranging from life and materials sciences to engineering. Notoriously, due to the required imaging speeds for bio-imaging, it has remained a challenge how to use this technique for dynamic and large-scale imaging. Recently, a supervised compressive Raman framework has been put forward, allowing for fast imaging, therefore alleviating the issue of speed. Yet, due to the need for strong a priori information of the species forming the hyperspectrum, it has remained elusive how to apply this supervised method for microspectroscopy of (dynamic) biological tissues. Combining an original spectral under-sampling measurement technique with a matrix completion framework for reconstruction, we demonstrate fast and inexpensive label-free molecular imaging of biological specimens (brain tissues and single cells). Using the matrix completion outcome with the supervised method allows for large compressions (64 × ) and bio-imaging speeds surpassing current technology in spontaneous Raman microspectroscopy. Therefore, our results open interesting perspectives for clinical and cell biology applications using the much faster compressive Raman framework.
- Subjects :
- Physics - Instrumentation and Detectors
FOS: Physical sciences
02 engineering and technology
03 medical and health sciences
symbols.namesake
Biological specimen
Microscopy
[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
030304 developmental biology
[PHYS]Physics [physics]
0303 health sciences
Matrix completion
Hyperspectral imaging
Instrumentation and Detectors (physics.ins-det)
021001 nanoscience & nanotechnology
Physics - Medical Physics
Atomic and Molecular Physics, and Optics
[PHYS.PHYS.PHYS-GEN-PH]Physics [physics]/Physics [physics]/General Physics [physics.gen-ph]
Electronic, Optical and Magnetic Materials
symbols
A priori and a posteriori
Medical Physics (physics.med-ph)
Molecular imaging
0210 nano-technology
Raman spectroscopy
Biological system
Raman scattering
Optics (physics.optics)
Physics - Optics
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Optica, Optica, 2019, 6, pp.341-346. ⟨10.1364/OPTICA.6.000341⟩, Repositori Universitat Jaume I, Universitat Jaume I
- Accession number :
- edsair.doi.dedup.....3afe8cde2e5ade9c729697dca24006e8