Optimization of reconstructed quality of hard x-ray phase microtomography

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	Optimization of reconstructed quality of hard x-ray phase microtomography
	Liu, HQ; Wu, XZ; Xiao, TQ
刊名	APPLIED OPTICS
	2015
卷号	54 期号:18 页码:5610—5618
关键词	ATTENUATION DUALITY RABBIT LUNGS RETRIEVAL TOMOGRAPHY RESOLUTION SYSTEMS HOLOTOMOGRAPHY DISTANCE IMAGES TISSUE
英文摘要	For 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
收录类别	SCI
语种	英语
公开日期	2015-12-24
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/24519]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 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.