US 11,989,853 B2
Higher-resolution terrain elevation data from low-resolution terrain elevation data
Rajesh Chenchu, Hyderabad (IN); and Pradeep Kumar Jilagam, Hyderabad (IN)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Sep. 8, 2021, as Appl. No. 17/469,512.
Prior Publication US 2023/0075840 A1, Mar. 9, 2023
Int. Cl. G06T 17/00 (2006.01); G01C 5/00 (2006.01); G06N 20/00 (2019.01); G06T 1/20 (2006.01); G06T 3/4053 (2024.01)
CPC G06T 3/4053 (2013.01) [G01C 5/00 (2013.01); G06N 20/00 (2019.01); G06T 1/20 (2013.01)] 36 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an interface;
a memory; and
a processor, communicatively coupled to the memory and the interface, configured to:
obtain a location estimate for the apparatus by receiving the location estimate via the interface or by calculating the location estimate from at least one sensor measurement, the location estimate being indicative of a present location of the apparatus;
obtain a low-resolution data set, the low-resolution data set corresponding to a geographic area and comprising a plurality of low-resolution terrain elevation values corresponding to first locations within the geographic area; and
apply the plurality of low-resolution terrain elevation values to a resolution enhancing model to produce a plurality of higher-resolution terrain elevation values corresponding to second locations within the geographic area, a second quantity of the second locations within the geographic area being higher than a first quantity of the first locations within the geographic area;
wherein the processor is configured to obtain the low-resolution data set by retrieving the low-resolution data set from the memory based on the location estimate for the apparatus.