Micro-tomography via single-pixel imaging
Posted on 2018-11-12 - 19:41
Tomographic imaging allows for the cross-sectional imaging of specimen, whereas single-pixel imaging can produce image only with a spatial non-resolved detector. Here we propose a compact tomographic imaging system combining single-pixel imaging. This approach uses a digital micromirror device (DMD) to encode the spatial information of specimen and employs an array of single-pixel detectors to record the light signals from different directions. For each single-pixel detector, we can retrieve an image of the specimen from a unique perspective angle. Based on the retrieved images, we can realize tomographic imaging, such as intensity images refocusing and three-dimensional (3D) different phase contrast imaging, without mechanically scanning the specimen. Experimental results also demonstrate that the micro-tomographic images with 384x384 pixels can be simultaneously realized only with an array of 5x6 single-pixel detectors. Furthermore, due to the broad operational spectrum of the single-pixel detector, the proposed method is a good candidate to realize tomographic imaging with the non-visible light wavebands, such as terahertz and x-ray, thus it would open up opportunities in many life science and engineering fields.
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Peng, Junzheng; yao, manhong; cheng, jiajian; Zhang, Zibang; Li, Shiping; Zheng, Guoan; et al. (2018). Micro-tomography via single-pixel imaging. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4182647.v1
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AUTHORS (7)
JP
Junzheng Peng
my
manhong yao
jc
jiajian cheng
ZZ
Zibang Zhang
SL
Shiping Li
GZ
Guoan Zheng
JZ
Jingang Zhong