Kumar, Sakshi and Majumdar, Mrittunjoy Guha (2026) Quantum Machine Learning and Radiation Oncology. HAL, Centre pour la communication scientifique directe (CCSD). (Submitted)
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Quantum Machine Learning and Radiation Oncology.pdf - Submitted Version Download (6MB) |
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| Abstract: | Quantum machine learning (QML) leverages quantum phenomena such as superposition, entanglement, and interference to address computational challenges that are difficult for classical systems. In radiation oncology, where treatment planning, image guidance, adaptive replanning, and multi-modal data integration require high-dimensional optimisation and complex pattern recognition, QML may offer advantages in computational efficiency and representational capacity. This review systematically maps quantum algorithms to the clinical radiation oncology workflow. We outline foundational concepts in quantum computing, including complexity insights from the BQP class and practical constraints of the noisy intermediate-scale quantum (NISQ) era. The radiation oncology pipeline-from consultation and simulation to treatment planning, delivery, and follow-up-is analysed to identify computational bottlenecks where quantum methods could provide benefit. Current developments in quantum-enabled diagnostic modelling, quantum-inspired clinical decision support for precision radiotherapy, quantum reinforcement learning for adaptive treatment policies, and emerging concepts such as quantum digital twins are reviewed. Key challenges-including hardware limitations, barren plateaus, data encoding constraints, limited datasets, regulatory considerations, and the gap between theoretical speedups and clinical implementation-are critically examined. Finally, a three-horizon roadmap is proposed outlining near-term proof-of-concept research, mid-term integration with treatment planning systems, and long-term prospects for fault-tolerant quantum simulation in oncology. |
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| Item Type: | Journal Paper |
| Keywords: | Quantum Machine Learning, Quantum Physics, Radiation Oncology, Quantum Algorithms, Treatment Planning Optimisation, Adaptive Radiotherapy |
| Subjects: | School of Natural and Engineering Sciences School of Natural and Engineering Sciences > Physics |
| Divisions: | Schools > Natural Sciences and Engineering |
| Date Deposited: | 22 May 2026 10:31 |
| Last Modified: | 22 May 2026 10:31 |
| Official URL: | https://hal.science/hal-05548397v1 |
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| Funders: | * |
| Projects: | * |
| DOI: | hal-05548397 |
| URI: | http://eprints.nias.res.in/id/eprint/3369 |
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