Researcher R5Population Sciences in the Pacific Program (Cancer Epidemiology), University of Hawai‘i Cancer Center
Work Email: johnshep@hawaii.edu
Research Interests
Radiomic biomarker discovery using AI and deep learning, 3D optical shape and appearance modeling, Director - UHCC Artificial Intelligence Precision Health Institute, reducing the burden of disease by translating biomarkers from expensive invasive to accessible technologies and measures.
Recent Publications
- Shepherd JA, Sommer MJ, Fan B, Powers C, Stranix-Chibanda L, Zadzilka A, Basar M, George K, Mukwasi-Kahari C, Siberry G. Advanced Analysis Techniques Improve Infant Bone and Body Composition Measures by Dual-Energy X-Ray Absorptiometry. J Pediatr. 2017 Feb;181:248-253.e3. PMCID: PMC5274603.
- Shepherd JA, Ng BK, Sommer MJ, Heymsfield SB. Body composition by DXA. Bone. 2017 Nov;104:101–105. PMCID: PMC5659281.
- Shepherd JA, Ng BK, Fan B, Schwartz AV, Cawthon P, Cummings SR, Kritchevsky S, Nevitt M, Santanasto A, Cootes TF. Modeling the shape and composition of the human body using dual energy X-ray absorptiometry images. PLoS One. 2017;12(4):e0175857. PMCID: PMC5397033.
- Shepherd JA, Fan B, Lu Y, Wu XP, Wacker WK, Ergun DL, Levine MA. A multinational study to develop universal standardization of whole-body bone density and composition using GE Healthcare Lunar and Hologic DXA systems. J Bone Miner Res. 2012 Oct;27(10):2208–2216. PMID: 22623101.
Recent Grants
- NIH/NCI 03/06/13 - 02/28/19. Lesion Composition and Quantitative Imaging Analysis on Breast Cancer Diagnosis.
- NIH/NIDDK 5/15/16 - 4/30/21. Optical Body Composition and Health Assessment.
- NIH/NIDDK 10/1/2016 - 9/30/2021. Shape Up! Kids.
- NIH/NIEHS 9/30/15 – 6/30/20. Environmental Chemicals and Postpubertal Breast Composition in a Latino Cohort.
- CDC 05/21/18 – 05/20/19. Dual Energy X-ray Absorptiometry (DXA) Scan Analysis and Quality Control Review for NHANES 2018-2022.
- General Electric 08/1/18 – 07/31/20. Quantitative Tomosynthesis Imaging
- NIH/NAIAD 06/29/06 – 11/30/20. LOC-IMPAACT Leadership Group.
Current Graduate Students
- Wong, Michael (PhD Nutrition)
- Valdez, Dustin (PhD Nutrition)
- Bennett, Jon (PhD Nutrition)
- Spence, Shane (MS in EE)
- Leong, Lambert (PhD MBBE)
- Cataldi, Devon (PhD Kinesiology).
