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US 12,705,691 B2Granted
Enhancement of coarse resolution imagery using super-resolution and convolution neural networks to be used for fit-for-purpose systematic land titling and land valuation
AssigneeMedici Land Governance
InventorMehran Ghandehari
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Abstract
A method of enhancing digital images of a parcel of land that includes providing a pair of coarse resolution and fine resolution orthophotos of a parcel of land to a model, training the model based on the orthophotos to obtain a trained model, and providing a coarse resolution image of another parcel of land to the trained model to obtain a fine resolution of another parcel of land.
Claims9
A method of enhancing digital images of a parcel of land, comprising:
- a) training a super resolution conventional neural network model to improve resolution of a digital picture,
- wherein the training includes:
- providing a pair of orthophotos, where a first orthophoto is a coarse resolution orthophoto having a first resolution and a second orthophoto is a fine resolution orthophoto of a parcel of land having a second resolution, wherein the second resolution is higher than the first resolution, and
- wherein the the first orthophoto and the second orthophoto are aerial images covering an exact same ground area, and
- the second resolution is between 5 and 25 centimeters per pixel;
- geometrically correcting the the first orthophoto and the second orthophoto to have a uniform scale;
- training the model based on the corrected orthophotos to obtain a trained model;
- and
- b) providing a coarse resolution image of another parcel of land to the trained model as an input to obtain a fine resolution image of the another parcel of land as an output.
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