Fusion-S2iGan: An Efficient and Effective Single-Stage Framework for Speech-to-Image Generation

• URL: http://arxiv.org/abs/2305.10126v1
• Date: Wed, 17 May 2023 11:12:07 GMT
• Title: Fusion-S2iGan: An Efficient and Effective Single-Stage Framework for Speech-to-Image Generation
• Authors: Zhenxing Zhang and Lambert Schomaker
• Abstract summary: The goal of a speech-to-image transform is to produce a photo-realistic picture directly from a speech signal. We propose a single-stage framework called Fusion-S2iGan to yield perceptually plausible and semantically consistent image samples.
• Score: 8.26410341981427
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The goal of a speech-to-image transform is to produce a photo-realistic picture directly from a speech signal. Recently, various studies have focused on this task and have achieved promising performance. However, current speech-to-image approaches are based on a stacked modular framework that suffers from three vital issues: 1) Training separate networks is time-consuming as well as inefficient and the convergence of the final generative model strongly depends on the previous generators; 2) The quality of precursor images is ignored by this architecture; 3) Multiple discriminator networks are required to be trained. To this end, we propose an efficient and effective single-stage framework called Fusion-S2iGan to yield perceptually plausible and semantically consistent image samples on the basis of given spoken descriptions. Fusion-S2iGan introduces a visual+speech fusion module (VSFM), constructed with a pixel-attention module (PAM), a speech-modulation module (SMM) and a weighted-fusion module (WFM), to inject the speech embedding from a speech encoder into the generator while improving the quality of synthesized pictures. Fusion-S2iGan spreads the bimodal information over all layers of the generator network to reinforce the visual feature maps at various hierarchical levels in the architecture. We conduct a series of experiments on four benchmark data sets, i.e., CUB birds, Oxford-102, Flickr8k and Places-subset. The experimental results demonstrate the superiority of the presented Fusion-S2iGan compared to the state-of-the-art models with a multi-stage architecture and a performance level that is close to traditional text-to-image approaches.

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