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International Journal of Theoretical Physics

, Volume 58, Issue 4, pp 1138–1149 | Cite as

A Conditional Generative Model Based on Quantum Circuit and Classical Optimization

  • Zhimin He
  • Lvzhou Li
  • Shenggen Zheng
  • Zhiming Huang
  • Haozhen SituEmail author
Article

Abstract

Generative model is an important branch of unsupervised learning techniques in machine learning. Current research shows that quantum circuits can be used to implement simple generative models. In this paper, we train a quantum conditional generator, which can generate different probability distributions according to different input labels, i.e., different initial quantum states. The model is evaluated with different datasets including chessboard images, and bars and stripes (BAS) images of 2 × 2 and 3 × 3 pixels. We also improve the performance of the model by introducing a controlled-NOT (CNOT) layer. The simulation results show that the CNOT layer can improve the performance, especially for the generative model with chain-connected entangling layers.

Keywords

Quantum generative model Conditional generator Quantum machine learning 

Notes

Acknowledgements

We are very grateful to the reviewers and the editors for their invaluable comments and detailed suggestions that helped to improve the quality of the present paper. This work is supported by the National Natural Science Foundation of China (Nos. 61802061, 61772565, 61602532), the Natural Science Foundation of Guangdong Province of China (No. 2017A030313378), the Project of Department of Education of Guangdong Province (No. 2017KQNCX216), the Research Foundation for Talented Scholars of Foshan University (No. gg040996), the Science and Technology Program of Guangzhou City of China (No. 201707010194) and the Fundamental Research Funds for the Central Universities (No. 17lgzd29).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Electronic and Information EngineeringFoshan UniversityFoshanChina
  2. 2.School of Data and Computer ScienceSun Yat-Sen UniversityGuangzhouChina
  3. 3.Pengcheng LaboratoryShenzhenChina
  4. 4.Institute for Quantum Science and EngineeringSouthern University of Science and TechnologyShenzhenChina
  5. 5.School of Economics and ManagementWuyi UniversityJiangmenChina
  6. 6.College of Mathematics and InformaticsSouth China Agricultural UniversityGuangzhouChina

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