Zero-shot Text-guided Infinite Image Synthesis with LLM guidance

• URL: http://arxiv.org/abs/2407.12642v1
• Date: Wed, 17 Jul 2024 15:10:01 GMT
• Title: Zero-shot Text-guided Infinite Image Synthesis with LLM guidance
• Authors: Soyeong Kwon, Taegyeong Lee, Taehwan Kim,
• Abstract summary: There is a lack of text-image paired datasets with high-resolution and contextual diversity. Expanding images based on text requires global coherence and rich local context understanding. We propose a novel approach utilizing Large Language Models (LLMs) for both global coherence and local context understanding.
• Score: 2.531998650341267
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Text-guided image editing and generation methods have diverse real-world applications. However, text-guided infinite image synthesis faces several challenges. First, there is a lack of text-image paired datasets with high-resolution and contextual diversity. Second, expanding images based on text requires global coherence and rich local context understanding. Previous studies have mainly focused on limited categories, such as natural landscapes, and also required to train on high-resolution images with paired text. To address these challenges, we propose a novel approach utilizing Large Language Models (LLMs) for both global coherence and local context understanding, without any high-resolution text-image paired training dataset. We train the diffusion model to expand an image conditioned on global and local captions generated from the LLM and visual feature. At the inference stage, given an image and a global caption, we use the LLM to generate a next local caption to expand the input image. Then, we expand the image using the global caption, generated local caption and the visual feature to consider global consistency and spatial local context. In experiments, our model outperforms the baselines both quantitatively and qualitatively. Furthermore, our model demonstrates the capability of text-guided arbitrary-sized image generation in zero-shot manner with LLM guidance.

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