TL;DR
GANmapper is a novel generative adversarial network-based method that translates coarse geospatial data into detailed maps, enabling high-fidelity urban feature generation in areas with limited data.
Contribution
This work introduces a GAN-based approach for translating broad geospatial datasets into detailed urban maps, bypassing traditional data collection methods.
Findings
High morphological accuracy in generated maps
Effective in areas with limited or heterogeneous data
Promising results across nine global cities
Abstract
We present a new method to create spatial data using a generative adversarial network (GAN). Our contribution uses coarse and widely available geospatial data to create maps of less available features at the finer scale in the built environment, bypassing their traditional acquisition techniques (e.g. satellite imagery or land surveying). In the work, we employ land use data and road networks as input to generate building footprints and conduct experiments in 9 cities around the world. The method, which we implement in a tool we release openly, enables the translation of one geospatial dataset to another with high fidelity and morphological accuracy. It may be especially useful in locations missing detailed and high-resolution data and those that are mapped with uncertain or heterogeneous quality, such as much of OpenStreetMap. The quality of the results is influenced by the urban form…
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Taxonomy
MethodsInpainting
