VAE-QWGAN: Improving Quantum GANs for High Resolution Image Generation

• URL: http://arxiv.org/abs/2409.10339v1
• Date: Mon, 16 Sep 2024 14:52:22 GMT
• Title: VAE-QWGAN: Improving Quantum GANs for High Resolution Image Generation
• Authors: Aaron Mark Thomas, Sharu Theresa Jose,
• Abstract summary: The VAE-QWGAN integrates the VAE decoder and QGAN generator into a single quantum model with shared parameters. We evaluate the model's performance on MNIST/Fashion-MNIST datasets, and demonstrate improved quality and diversity of generated images.
• Score: 4.297070083645049
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper presents a novel hybrid quantum generative model, the VAE-QWGAN, which combines the strengths of a classical Variational AutoEncoder (VAE) with a hybrid Quantum Wasserstein Generative Adversarial Network (QWGAN). The VAE-QWGAN integrates the VAE decoder and QGAN generator into a single quantum model with shared parameters, utilizing the VAE's encoder for latent vector sampling during training. To generate new data from the trained model at inference, input latent vectors are sampled from a Gaussian Mixture Model (GMM), learnt on the training latent vectors. This, in turn, enhances the diversity and quality of generated images. We evaluate the model's performance on MNIST/Fashion-MNIST datasets, and demonstrate improved quality and diversity of generated images compared to existing approaches.

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