研究领域

课题组致力于单光子发射计算机断层扫描系统（SPECT）、正电子发射断层成像系统（PET）的研究，包括前端探测器模块，核电子学模块，图像重建算法，AI辅助诊断，AI图像增强等。

成果

深圳湾实验室生物医学工程研究所启航学者，深圳市海外引进高层次人才团队核心成员。长期从事PET成像系统及其核心技术研究，在IEEE Trans., Appl. Surf. Sci. (JCR Q1) 等杂志发表学术论文近46篇，国际核医学年会IEEE NSS-MIC大会报告5次，其中2篇文章选为大会亮点文章。长期担任Phys. Med. Biol., Med. Phys., IEEE Trans.等领域内核心期刊审稿人。申请国家发明专利39项，授权23项，美国专利授权1项（第一发明人），探测器相关专利已成功转化, 部分研发的各类型PET系统均已进入应用阶段。主持国家自然科学基金等各级纵向科研项目共3项，作为课题负责人参与国家自然科学基金国家重大科研仪器研制项目1项，主持各类横向课题共3项。

荣誉

2019  国家奖学金（博士研究生），华中科技大学

2017  国家联合培养奖学金

2016, 2019  “Highlight Paper”award，IEEE NSS-MIC（2次）

2015  推荐免试保送研究生资格，武汉理工大学/教育部

代表论文

1. Xi Zhang, Xin Yu, Heng Zhang, Changlin Liu, Hamid Sabet, Siwei Xie*, Jianfeng Xu*, Qiyu Peng*. Development and Evaluation of 0.35-mm-Pitch PET Detectors With Different Reflector Arrangements. IEEE Transactions on Radiation and Plasma Medical Sciences, 2023, 7(8), 802-809.

2. Xin Yu, Xi Zhang, Heng Zhang, Hao Peng, Qiushi Ren, Jianfeng Xu*, Qiyu Peng*, Siwei Xie*. Requirements of Scintillation Crystals with the Development of PET Scanners, Crystals, 2022, 12 (9), 1302.

3. Xi Zhang, Zhiliang Zhu, Xin Yu, Hongsen Yu, Yibin Zhang, Jianfeng Xu*, Qiyu Peng*, Siwei Xie*, Development and Evaluation of a Dual-Layer-Offset PET Detector Constructed with Different Reflectors, Crystals, 2022, 12(1): 93.

4. Siwei Xie, Xi Zhang, Yibin Zhang, Gaoyang Ying, Qiu Huang, Jianfeng Xu*, Qiyu Peng*. Evaluation of Various Scintillator Materials in Radiation Detector Design for Positron Emission Tomography (PET). Crystals, 2020, 10(10): 869.

5. Siwei Xie, Xi Zhang, Qiu Huang*, Zheng Gong, Jianfeng Xu*, Qiyu Peng*. Methods to compensate the time walk errors in timing measurements for PET detectors. IEEE Transactions on Radiation and Plasma Medical Sciences, 2020, 4(5): 555-562.

6. Jianfeng Xu*, Siwei Xie, Xi Zhang, Weijie Tao, Jingwu Yang, Zhixiang Zhao, Fenghua Weng, Qiu Huang, Fei Yi, Qiyu Peng*. A preclinical PET detector constructed with a monolithic scintillator ring. Physics in Medicine & Biology. 2019, 64 (15), 155009.

7. Siwei Xie, Jianfeng Xu*, Mingming Yang, Gaoyang Ying, Xi Zhang, Qiu Huang, Qiyu Peng*, Methods to Improve Light Transport Efficiency in LYSO Crystals Based on Characteristics of Light Optical Reflectance, IEEE Transactions on Nuclear Science, 2019, 66(9): 2100-2106.

8. Siwei Xie, Xi Zhang, Hui Peng, Jingwu Yang, Qiu Huang*, Jianfeng Xu*, Qiyu Peng*. PET detectors with 127 ps CTR for the Tachyon-II time-of-flight PET scanner. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2019, 933: 48-55.

9. Xi Zhang¹, Siwei Xie¹, Jingwu Yang, Fenghua Weng, Jianfeng Xu*, Qiu Huang*, Qiyu Peng*. A novel depth of interaction detector design with four-crystals-to-one-SiPM coupling technology, Medical Physics, 2019, 46(8): 2100-2106.

10. Siwei Xie, Quanquan Sun, Gaoyang Ying, Lingxi Guo, Qiu Huang, Qiyu Peng*, J Xu*. Ultra-Precise Surface Processing of LYSO Scintillator Crystals for Positron Emission Tomography. Applied Surface Science, 2019, 469: 573-581.