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Optimization of reconstructed quality of hard x-ray phase microtomography
Liu, HQ; Wu, XZ; Xiao, TQ
2015
Source PublicationAPPLIED OPTICS
Volume54Issue:18Pages:5610—5618
Subtype期刊文献
AbstractFor applications of hard x-ray propagation-based phase-contrast computed microtomography (PPCT) in high-resolution biological research, high spatial resolution and high contrast-to-noise ratio are simultaneously required for tiny structural discrimination and characterization. Most existing micro-CT techniques to improve image quality are limited by high cost, physical limitations, and complexity of the experimental hardware and setup. In this work, a novel PPCT technique, which combines a wavelet-transform-based modulation transform function compensation algorithm and a generalized phase-retrieval algorithm, is proposed to optimize the reconstruction quality of tomographic slices. Our experimental results, which compared the spatial resolutions and contrast-to-noiseratios of reconstructed images, demonstrated the validity of the proposed generalized PPCT technique. The experimental results showed that the proposed generalized PPCT technique is superior to the direct PPCT and the linearized phase-retrieval PPCT techniques. This novel PPCT technique demonstrates great potential for biological imaging, especially for applications that require high spatial resolution and limit radiation exposure. (C) 2015 Optical Society of America
KeywordAttenuation Duality Rabbit Lungs Retrieval Tomography Resolution Systems Holotomography Distance Images Tissue
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24519
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Liu, HQ,Wu, XZ,Xiao, TQ. Optimization of reconstructed quality of hard x-ray phase microtomography[J]. APPLIED OPTICS,2015,54(18):5610—5618.
APA Liu, HQ,Wu, XZ,&Xiao, TQ.(2015).Optimization of reconstructed quality of hard x-ray phase microtomography.APPLIED OPTICS,54(18),5610—5618.
MLA Liu, HQ,et al."Optimization of reconstructed quality of hard x-ray phase microtomography".APPLIED OPTICS 54.18(2015):5610—5618.
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