Journal
QUANTUM SCIENCE AND TECHNOLOGY
Volume 5, Issue 4, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/2058-9565/ab9f93
Keywords
quantum information processing; quantum circuit; image recognition; quantum machine learning
Funding
- National Key RD Plan [2018YFC1200200, 2018YFC1200205]
- Hunan Provincial Natural Science Foundation of China [2020JJ4557]
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Deep learning achieves unprecedented success involves many fields, whereas the high requirement of memory and time efficiency tolerance have been the intractable challenges for a long time. On the other hand, quantum computing shows its superiorities in some computation problems owing to its intrinsic properties of superposition and entanglement, which may provide a new path to settle these issues. In this paper, a quantum deep convolutional neural network (QDCNN) model based on the quantum parameterized circuit for image recognition is investigated. In analogy to the classical deep convolutional neural network (DCNN), the architecture that a sequence of quantum convolutional layers followed by a quantum classified layer is illustrated. Inspired by the variational quantum algorithms, a quantum-classical hybrid training scheme is demonstrated for the parameter updating in the QDCNN. The network complexity analysis indicates the proposed model provides the exponential acceleration comparing with the classical counterpart. Furthermore, the MNIST and GTSRB datasets are employed to numerical simulation and the quantitative experimental results verify the feasibility and validity.
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