Junyi Xia, PhD

Assistant Professor of Radiation Oncology

Contact Information

Office: 01605 Pomerantz Family Pavillion
Iowa City, IA 52242


BS, Chemical Machinery, ZheJiang University, China
MS, Biomedical Engineering, University of Memphis, Tennessee
PhD, Medical Physics, University of Florida, Gainesville

Resident, Medical Physics, University of Iowa Hospitals and Clinics

Licensure and Certifications

American Board of Radiology -Therapeutic Radiological Physics - American Board of Radiology
Iowa IDPH Radiation Therapy - IDPH


Wears, B., Mohiuddin, I., Kim, Y., Waldron, T., Allen, B. & Xia, J. (2017). Design of a compact collimator and 3D imaging system for a scanning beam low-energy intraoperative radiation therapy system for pancreatic cancer. pp. 4325 - 4328. 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

Kim, Y., Patwardhan, K., Beichel, R., Smith, B., Mart, C., Plichta, K., Chang, T., Sonka, M., Graham, M., Magnotta, V., Casavant, T., Xia, J. & Buatti, J. (2017). Development of a radiobiological evaluation tool to assess the expected clinical impacts of contouring accuracy between manual and semi-automated segmentation algorithms. 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). DOI: 10.1109/EMBC.2017.8037588.

Bou-Zeid, W., Bauer, C., Kim, Y., Beichel, R., Sun, W., Waldron, T. & Xia, J. (2016). Clinical Validation of a Real-time Applicator Position Monitoring System for Gynecologic Intracavitary Brachytherapy. Biomedical Physics and Engineering Express, 2(4), 045008.

Xia, J., Waldron, T. & Kim, Y. (2014). A real-time applicator position monitoring system for gynecologic intracavitary brachytherapy. Medical Physics, 41(1), 011703-1-4. PMID: 24387495.

Samant, S., Wu, J., Xia, J. & Gopal, A. (2013). Optimization in image registration. In K. K. Brock (Eds.) Image Processing in Radiation Oncology. CRC Press.

Xia, J., Bayouth, J. (2013). Human-computer interaction in radiation therapy. In G. Starkschall , R. Alfredo , C. Siochi (Eds.) Informatics in Radiation Oncology. CRC Press.

Anderson, J., Xia, J., Flynn, R., Modrick, J., Bhatia, S., Jacobson, G. & Kim, Y. (2013). High Resolution (3 Tesla) MRI-Guided, Conformal Brachytherapy for Cervical Cancer: Consequences of Different High-Risk CTV Sizes. Journal of Contemporary Brachytherapy, 5(2), 101-109. PMID: 23878555.

Xia, J., Siochi, A. (2012). A real-time respiratory motion monitoring system using Microsoft Xbox Kinect: proof of concept. Medical Physics, 39(5), 2682-2685. PMID: 22559638.

Muyan, P., Owens, J., Xia, J. & Samant, S. (2008). Fast Deformable Registration on the GPU: A CUDA Implementation of Demons. Computational Sciences and Its Applications, International Conference on ICCSA '08, 223-233.

Samant, S., Xia, J., Muyan, P. & Owens, J. (2008). High performance computing for deformable image registration: towards a new paradigm in adaptive radiotherapy. Medical Physics, 35(8), 3546-3553. PMID: 18777915.

Xia, J., Chen, Y. & Samant, S. (2007). The "Juggler” Algorithm: A Hybrid Deformable Image Registration Algorithm for Adaptive Radiotherapy. SPIE, 6510, 65105J.

Samant, S., Gopal, A., Jain, J., Xia, J. & DiBianca, F. (2007). Design of a prototype tri-electrode ion-chamber for megavoltage X-ray imaging. Nuclear Instruments and Methods in Physics Research, 573(3), 398-409.

Xia, J., Samant, S. (2006). A Novel Non-rigid Image Registration Algorithm for Radiation Therapy Using P-element Based Biomechanical Model. (Vols. 33). pp. 2022. Medical Physics.

He, H., Xia, J., Lu, J. & Jiang, H. (2001). Strength analysis of the rotors of the rotary disc dryer. Chemical Engineering & Machinery, 28(1), 19-21.

Jiang, J., He, H. & Xia, J. (2000). A particle heat transfer model to calculate the heat transfer coefficient of the pan rotary dryer. Journal of Chemical Engineering of Chinese Universities, 14(4), 324-327.

Wears, B., Mohiuddin, I., Flynn, R., Waldron, T., Kim, Y., Allen, B. & Xia, J. Development of a Novel Scanning Beam Low-Energy Intraoperative Radiation Therapy (SBIORT) System for Pancreatic Cancer. (43), pp. 3814. Medical Physics. DOI: http://dx.doi.org/10.1118/1.4957839.

Rouabhi, O., Ma, M., Bayouth, J. & Xia, J. (2015). Impact of temporal probability in 4D dose calculation for lung tumors. Journal of Applied Clinical Medical Physics, 16(6), 110-118. DOI: http://dx.doi.org/10.1120/jacmp.v16i6.5517 .

Bauer, C., Beichel, R., Kim, Y., Bou-zeid, W., Waldron, T., Sun, W., Bhatia, S. & Xia, J. (2015). RAPS: A Real Time Portable Tandem and Ovoid Applicator Monitoring System for Gynecologic Intracavitary Brachytherapy. ASTRO 2015.

Xia, J., Mart, C. & Bayouth, J. (2014). A computer aided treatment event recognition system in radiation therapy. Medical Physics, 41(1), 011713-1-6. PMID: 24387505.

Xia, J., Mart, C. & Bayouth, J. (2013). A Computer Assisted Treatment Events Recognition System (CATERS) For Radiation Therapy. Medical Physics.

Xia, J., Mart, C. & Bayouth, J. (2013). A Computer Aided Treatment Event Recognition System (CATERS) In Radiation Therapy. (Vols. 40). pp. 500. Medical Physics.

Xia, J., Waldron, T. & Kim, Y. (2013). A Real-Time Applicator Position Monitoring System (RAPS) for Intracavitary High-Dose-Rate Brachytherapy. Medical Physics.

Xia, J., Chen, Y. & Samant, S. (2009). Robust Deformable Image Registration Using Maximum Likelihood Estimation. (Vols. 36). pp. 2764. Medical Physics.

Xia, J., Muyan, P., Owens, J., Palta, J. & Samant, S. (2008). Towards in vivo Dose Validation Using Real-Time Physiologically Constrained Deformable Image Registration. (Vols. 35). pp. 2722. Medical Physics.

Xia, J., Chen, Y. & Samant, S. (2008). A generalized method for achieving realistic deformable image registration (DIR) using the inverse consistency constraint. (Vols. 35). pp. 2991. Medical Physics.

Xia, J., Samant, S. (2007). Improved Deformable Image Registration Using Hybrid Models: An Application to Solitary Pulmonary Nodule. (Vols. 34). pp. 2516. Journal of Medical Physics.

Samant, S., Xia, J., Huang, M., Chung, H., Liu, C. & Palta, J. (2007). Autosegmentation and Internal Target Volume (ITV) Generation in 4DCT Lung Imaging Using Deformable Image Registration. (Vols. 34). pp. 2326. Medical Physics.

Samant, S., Huang, M., Xia, J., Frouhar, V. & Palta, J. (2007). A Treatment Planning System (TPS) Independent Software for 4DCT Image Analysis. (Vols. 34). (2350) Medical Physics.

Samant, S., Xia, J. (2005). Improved Target Localization in Low Field MR Using Local Weighed Mean (LWM) for Spatial Distortion Correction. (Vols. 32). pp. 2053. Medical Physics.