CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Great enhancement of image details with high fidelity in a scintillator imager using an optical coding method
Xia, HJ; Wu, YQ; Zhang, L; Sun, YH; Wang, ZY; Tai, RZ
2020
Source PublicationPHOTONICS RESEARCH
ISSN2327-9125
Volume8Issue:7Pages:1079-1085
Subtype期刊论文
AbstractHigh-resolution lens-coupled indirect X-ray scintillator imagers are required by many imaging applications. However, the severe weakening of image details prevents its further performance improvement. Through our research, this image degradation is attributed to the broadband loss of the high-spatial-frequency information caused by the high refractive index. A technique known as high-spatial-frequency spectrum enhanced reconstruction is thus proposed to retrieve this information. A two-dimensional high-density array is covered on the scintillator's exit surface and operates as an encoder based on which high-frequency information can be shifted to the low-frequency region to improve the signal-to-noise ratio. The experimental results show that the middle-high-frequency signal intensities can be increased by an order of magnitude or more, up to similar to 50 times. Therefore, the image details can be effectively enhanced to break through the performance bottleneck of such widely used X-ray imagers for synchrotron radiation facilities or tabletop X-ray tubes. (c) 2020 Chinese Laser Press
KeywordLARGE-AREA RAY
DOI10.1364/PRJ.391605
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32897
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201204, Peoples R China
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Xia, HJ,Wu, YQ,Zhang, L,et al. Great enhancement of image details with high fidelity in a scintillator imager using an optical coding method[J]. PHOTONICS RESEARCH,2020,8(7):1079-1085.
APA Xia, HJ,Wu, YQ,Zhang, L,Sun, YH,Wang, ZY,&Tai, RZ.(2020).Great enhancement of image details with high fidelity in a scintillator imager using an optical coding method.PHOTONICS RESEARCH,8(7),1079-1085.
MLA Xia, HJ,et al."Great enhancement of image details with high fidelity in a scintillator imager using an optical coding method".PHOTONICS RESEARCH 8.7(2020):1079-1085.
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