Browsing by Author "Zhang, Gaofeng"

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    BubbleFormer: Bubble Diagram Generation via Dual Transformer Models
    (The Eurographics Association and John Wiley & Sons Ltd., 2023) Sun, Jiahui; Zheng, Liping; Zhang, Gaofeng; Wu, Wenming; Chaine, Raphaƫlle; Deng, Zhigang; Kim, Min H.
    Bubble diagrams serve as a crucial tool in the field of architectural planning and graphic design. With the surge of Artificial Intelligence Generated Content (AIGC), there has been a continuous emergence of research and development efforts focused on utilizing bubble diagrams for layout design and generation. However, there is a lack of research efforts focused on bubble diagram generation. In this paper, we propose a novel generative model, BubbleFormer, for generating diverse and plausible bubble diagrams. BubbleFormer consists of two improved Transformer networks: NodeFormer and EdgeFormer. These networks generate nodes and edges of the bubble diagram, respectively. To enhance the generation diversity, a VAE module is incorporated into BubbleFormer, allowing for the sampling and generation of numerous high-quality bubble diagrams. BubbleFormer is trained end-to-end and evaluated through qualitative and quantitative experiments. The results demonstrate that Bubble- Former can generate convincing and diverse bubble diagrams, which in turn drive downstream tasks to produce high-quality layout plans. The model also shows generalization capabilities in other layout generation tasks and outperforms state-of-the-art techniques in terms of quality and diversity. In previous work, bubble diagrams as input are provided by users, and as a result, our bubble diagram generative model fills a significant gap in automated layout generation driven by bubble diagrams, thereby enabling an end-to-end layout design and generation. Code for this paper is at https://github.com/cgjiahui/BubbleFormer.