Methods and apparatuses for calculating building heights from mono imagery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12056888
APP PUB NO 20230073366A1
SERIAL NO

17467736

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Abstract

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A technique is directed to methods and systems for calculating building heights from mono imagery. In some implementations, a building height calculation system performs orthorectification of an image of buildings against a digital terrain model to remove effects of terrain distortion from the image. The building height calculation system can execute an edge detection algorithm on the image to identify the edges of the building in the image. The edges can provide a rooftop vector of the building. The building height calculation system can execute, using image data at input, a machine learning algorithm to determine the footprint vector of the building in the image. The building height is calculated based on a camera angle, a distance from the camera to the building, and a pixel offset from the footprint vector to the rooftop vector.

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Patent Owner(s)

  • INTERMAP TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hope, Ralph Mark Chestfield, GB 1 0
Mercer, Nathan Zachary Englewood, US 6 21
Zhang, Qiaoping Englewood, US 7 29

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