A Discussion on an Urban Layout Workflow Utilizing Generative Adversarial Network (GAN)

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A Discussion on an Urban Layout Workflow Utilizing Generative Adversarial Network (GAN)

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Keywords

Deep Learning, Generative Adversarial Network (GAN), Urban Layout Process, Automatic Dataset Construction, Co-design

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Abstract

Deep Learning (DL) has recently gained widespread attention in the automation of urban layout processes. This study proposes a rule-based and Generative Adversarial Network (GAN) workflow to automatically select and label urban datasets to train customized GAN models for the generation of urban layout proposals. The developed workflow automatically collects and labels urban typology samples from open-source maps. Furthermore, it controls the results of the GAN process with labels and provides real-time urban layout suggestions based on a co-design process. The conducted case study shows that the average value of the GAN results, trained from an automatically generated dataset, meets the site’s requirements. The developed codesign strategy allows the architect to control the GAN process and perform iterations on urban layouts.

The research addresses the research gap in GAN applications in the field of urban design and planning. Many studies have demonstrated that training the (GAN) model by labeling enables machines to learn urban morphological features and urban layout logic. However, two research gaps remain: (1) The manual filtering of GAN urban sample datasets to fit site-specific design requirements is very time-consuming. (2) Without a suitable data labeling method, it is difficult to manage the GAN process in such a manner to facilitate the meeting of overriding design requirements.

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Ximing Zhong

ximing.zhong@aalto.fi

Pia Fricker

pia.fricker@aalto.fi

Fujia Yu

fujiashangcheng@gmail.com

Yuzhe Pan

Chuheng Tan

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Conference Video

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Figures

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Figure 1.Workflow diagram outlining the automated data filtering process, GAN model training, and the co-design process.

Figure 3.GAN model training process and 3Dmodel construction based on the color information of output bitmaps

Figure 6.Comparison of urban layout generation according to varying input criteria.

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Acknowledgment

PIA

pia.fricker@aalto.fi

Antii

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