论文标题
使用哈密顿学习的多维时间序列的量子生成模型
A quantum generative model for multi-dimensional time series using Hamiltonian learning
论文作者
论文摘要
事实证明,合成数据生成是解决各个领域中数据可用性问题的有前途解决方案。更具挑战性的是生成合成时间序列数据,其中必须保留时间动力学,即生成的时间序列必须尊重跨时间之间的原始关系。最近提出的技术,例如生成对抗网络(GAN)和量子甘纳斯,无法充分参加特定时间序列的时间相关性。我们建议使用量子计算机的固有性质模拟量子动力学作为一种编码此类特征的技术。我们首先假设可以通过量子过程生成给定的时间序列,然后我们开始使用量子机学习来学习量子过程。然后,我们使用学习的模型生成样本外时间序列,并表明它捕获了学到的时间序列的独特而复杂的功能。我们还研究了可以使用此技术进行建模的时间序列。最后,我们在实验中证明了11 Quitappaping-ION量子机上提出的算法。
Synthetic data generation has proven to be a promising solution for addressing data availability issues in various domains. Even more challenging is the generation of synthetic time series data, where one has to preserve temporal dynamics, i.e., the generated time series must respect the original relationships between variables across time. Recently proposed techniques such as generative adversarial networks (GANs) and quantum-GANs lack the ability to attend to the time series specific temporal correlations adequately. We propose using the inherent nature of quantum computers to simulate quantum dynamics as a technique to encode such features. We start by assuming that a given time series can be generated by a quantum process, after which we proceed to learn that quantum process using quantum machine learning. We then use the learned model to generate out-of-sample time series and show that it captures unique and complex features of the learned time series. We also study the class of time series that can be modeled using this technique. Finally, we experimentally demonstrate the proposed algorithm on an 11-qubit trapped-ion quantum machine.