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X-ray Photon Counting and Two-Color X-ray Imaging Using Indirect Detection.

作者信息

Dierickx Bart, Yao Qiang, Witvrouwen Nick, Uwaerts Dirk, Vandewiele Stijn, Gao Peng

机构信息

Caeleste CVBA, Hendrik Consciencestraat 1 b, 2800 Mechelen, Belgium.

出版信息

Sensors (Basel). 2016 May 26;16(6):764. doi: 10.3390/s16060764.

DOI:10.3390/s16060764
PMID:27240362
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4934190/
Abstract

In this paper, we report on the design and performance of a 1 cm², 90 × 92-pixel image sensor. It is made X-ray sensitive by the use of a scintillator. Its pixels have a charge packet counting circuit topology with two channels, each realizing a different charge packet size threshold and analog domain event counting. Here, the sensor's performance was measured in setups representative of a medical X-ray environment. Further, two-energy-level photon counting performance is demonstrated, and its capabilities and limitations are documented. We then provide an outlook on future improvements.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/cc6c99221fc7/sensors-16-00764-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/f1aecff3baa4/sensors-16-00764-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/fa9556bec5e3/sensors-16-00764-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/bae953e10937/sensors-16-00764-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/35653fa0b8da/sensors-16-00764-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/73513351d9ff/sensors-16-00764-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/c80e36dfdbd9/sensors-16-00764-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/34010fe4b123/sensors-16-00764-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/fa1158185a08/sensors-16-00764-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/69dd658bddcc/sensors-16-00764-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/3f827338b118/sensors-16-00764-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/ad38ddc675a6/sensors-16-00764-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/35add139bef1/sensors-16-00764-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/a74cc1866f18/sensors-16-00764-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/5d8279da3e8b/sensors-16-00764-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/f4c0b87514ff/sensors-16-00764-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/5d5f0a2ec37f/sensors-16-00764-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/cc6c99221fc7/sensors-16-00764-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/f1aecff3baa4/sensors-16-00764-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/fa9556bec5e3/sensors-16-00764-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/bae953e10937/sensors-16-00764-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/35653fa0b8da/sensors-16-00764-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/73513351d9ff/sensors-16-00764-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/c80e36dfdbd9/sensors-16-00764-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/34010fe4b123/sensors-16-00764-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/fa1158185a08/sensors-16-00764-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/69dd658bddcc/sensors-16-00764-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/3f827338b118/sensors-16-00764-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/ad38ddc675a6/sensors-16-00764-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/35add139bef1/sensors-16-00764-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/a74cc1866f18/sensors-16-00764-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/5d8279da3e8b/sensors-16-00764-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/f4c0b87514ff/sensors-16-00764-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/5d5f0a2ec37f/sensors-16-00764-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2826/4934190/cc6c99221fc7/sensors-16-00764-g017.jpg

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本文引用的文献

1
Photon Counting Energy Dispersive Detector Arrays for X-ray Imaging.用于X射线成像的光子计数能量色散探测器阵列
IEEE Trans Nucl Sci. 2009;56(3):535-542. doi: 10.1109/TNS.2009.2013709.
2
Detective quantum efficiency dependence on x-ray energy weighting in mammography.乳腺摄影中量子探测效率对X射线能量加权的依赖性
Med Phys. 1999 Dec;26(12):2680-3. doi: 10.1118/1.598807.