Patent ID: 9230169
Filing Date: 2016-01-05
CPC Classification: G06K

Claim Text:
1. A method for use in generating population density data sets of a geographic region from overhead imagery data, comprising: obtaining a plurality of multi-scale morphological image descriptors for each of a respective plurality of pixels of at least one input overhead image of a geographic region; training, with a processor, a linear model with a) a plurality of population density estimates of a respective plurality of first portions of the geographic region and b) the multi-scale morphological image descriptors within each of the plurality of first portions to obtain a plurality of weighting values; and determining, with the processor, a plurality of population density estimates of a respective plurality of second portions of the geographic region using a) the plurality of weighting values and b) the multi-scale morphological image descriptors within each of the plurality of second portions, wherein the second portions are smaller than the first portions.