Deep generative modeling tasks: Automatic generation of building facades with Pix2Pix GAN for Hong Kong city expansion and renovation

Type
Urban Design Research
Year
2022 – 2023
Keywords
Pix2Pix GAN
Facade
Deep Learning
Hong Kong
Generative Design

Abstract

Hong Kong's rapid urbanization has produced a high volume of new construction, renovation, and restoration. These activities are often characterized by inconsistency in design style and with the surrounding neighbourhood. Addressing this at the early design stage is a practical concern.

This research provides a dataset of old Hong Kong building facades and trains a deep convolutional neural network, coupling the Pix2Pix GAN algorithm to the whole-or-local generation of building facades. A network trained on 160 sets of collected facade images organizes pre-calibration and classifies the elemental information of complex facades.

The result offers new construction and renovation schemes a replicable technical route for facade generation.

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