Multi-scale conditional reconstruction generative adversarial network

doi:10.1016/j.imavis.2023.104885

Multi-scale conditional reconstruction generative adversarial network

2024-01-01

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DOI：10.1016/j.imavis.2023.104885

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Generative adversarial network has become the factual standard for high-quality image synthesis. However, modeling the distribution of complex datasets (e.g. ImageNet and COCO-Stuff) remains challenging in unsupervised approaches. This is partly due to the imbalance between the generator and the discriminator during training, the discriminator easily defeats the generator because of special views. In this paper, we propose a model called multi-scale conditional reconstruction GAN (MS-GAN). The core concept of MS-GAN is to model the local density implicitly using different scales of instance conditions. Instance conditions are extracted from the target images via a self-supervised learning model. In addition, we alignment the semantic features of the observed instances by adding an additional reconstruction loss to the generator. Our MS-GAN can aggregate instance features at different scales and maximize semantic features. This allows the generator to learn additional comparative knowledge from instance features, leading to a better feature representation, thus improving the performance of the generation task. Experimental results on the ImageNet dataset and the COCO-Stuff dataset show that our method matches or exceeds the original performance in both FID and IS scores compared to the ICGAN framework. Additionally, our precision score on the ImageNet dataset improved from 74.2% to 79.9%.

Keyword:

Generative adversarial network

Unsupervised generation

Multi-scale instance

Reconstructed losses

Multi-scale conditional reconstruction generative adversarial network

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