May 15, 2024

AI turns old maps of demolished neighborhoods into 3D digital models

” I dealt with these maps when I was a college student back in the 1980s, however extracting information from the maps was a really time tiresome and consuming manual process. After seeing the maps were readily available in digital kind, we believed that we might develop a semi-automated way to extract the information from these maps,” Harvey Miller, co-author of the study and professor of geography at The Ohio State University, told ZME Science.

Imagine donning a virtual reality headset and entering the past, immersing yourself in a bygone community. With every stride, you witness the streets and buildings as they stood years earlier.

This alluring vision has come true through an ingenious technique that utilizes artificial intelligence and maps to create 3D digital designs of old neighborhoods– even those that have been taken down to give way for brand-new real estate advancement.

These digital models can work as the foundation for particular studies that were previously extremely challenging to do. For circumstances, this innovation now makes it simpler to approximate the financial impact of destroying historical neighborhoods. With access to these 3D designs, researchers will be able to do such analyses with more accuracy and insight.

The structure of this research study depends on the Sanborn maps, originally designed to assist fire insurance provider in examining threat exposure across countless cities and towns in the United States throughout the 19th and 20th centuries.

Digitally rebuilded structures in the Driving Park area from 1961. Image credits: Harvey Miller.

Reconstructing the past

This image shows the Hanford Village and Driving Park communities in 1961– the structures highlighted in red were ruined or relocated to develop I-70. Credit: Ohio State University.

The research study was released in the journal PLOS ONE.

Miller and his team created artificial intelligence tools capable of drawing out information from the Sanborn maps. This includes particular information about private buildings, such as their exact areas, footprints, variety of floorings, building and construction products, and primary purpose, such as residential or business.

They checked their brand-new method on two neighboring locations positioned on the near east side of Columbus, Ohio that were mainly damaged during the 1960s to assist in the building of a city highway. Among the communities, Hanford Village, for example, was established in 1946 to house returning Black veterans of World War II.

The group focused on 13 Sanborn maps produced in 1961, right before the construction of the highway. They utilized device knowing techniques to draw out information from these maps and create digital designs of neighborhoods. They found that practically 400 structures such as homes and shops were destroyed to give way for the highway.

” Our techniques will enable the development of detailed, 3D models of entire neighborhoods and cities as they existed in history. This can make it possible for tracking of changes in metropolitan land use, the advancement and development of city morphology and new insights into the shifting patterns of metropolitan advancement, demolition, and redevelopment,” Miller told ZME Science

” By envisioning the neighborhoods before highway building, we wish to have a visceral sense of what was lost to urban highways and urban renewal” Miller included.

The device discovering model showed extremely accurate in recreating the details consisted of in the maps– about 90% precise for building footprints and building products. The scientists now believe they might create 3D designs for practically all the 12,000 cities and towns that are covered by the Sandborn maps.

” We likewise want to make measurements of the capital and wealth-generating activities that were damaged, and the environmental justice problems that were produced.”

Thanks for your feedback!

These digital models can serve as the foundation for certain studies that were formerly very difficult to do. This innovation now makes it simpler to approximate the economic effect of destroying historic areas. With access to these 3D models, researchers will be able to do such analyses with more accuracy and insight.

The team focused on 13 Sanborn maps produced in 1961, right before the building of the highway. They utilized maker knowing strategies to draw out information from these maps and produce digital designs of areas.