Florida Patent of the Month – March 2023

Geospatial height estimation plays a vital role in a wide range of applications, from urban planning and military operations to disaster response and environmental management. In the past, obtaining accurate height data for a geographic area was a challenging and time-consuming task that involved manual measurements or aerial surveys. Eagle Technology, LLC has combined AI and geospatial height estimation in a newly patented technology, achieving greater efficiency than ever before.

Eagle Technology has developed an AI system for geospatial height estimation that uses a semantic label database to store labeled predicted electro-optic (EO) image-classified objects that have respective elevation values associated with them. The AI system then uses trained EO imagery and the semantic label database to train a model that can estimate height values within new EO imagery for a geographic area.

Eagle Technology’s AI system sets itself apart from other height estimation methods using game theory optimization (GTO) to select the best model from a plurality of stochastic gradient descent models (SGDMs). This ensures that the estimated height values are as accurate as possible. The GTO is based on a reward matrix that includes the classified objects from the semantic label database and a window of pixels surrounding a given pixel for which the height is to be estimated.

The AI system also performs an accuracy assessment of the estimated height values based on a non-EO height reference dataset for the geographic area. This provides a measure of the AI system’s accuracy and reliability.

Eagle Technology’s AI system is available to users through a non-transitory computer-readable medium that contains computer-executable instructions for performing the necessary steps. The estimated height map generated by the AI system can be outputted on a display, making it easy to visualize the results. Its use of GTO to select the best model and its accuracy assessment make it a valuable tool for anyone who needs accurate height data. 

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