Multi-source elevation data fusion method and device, computer equipment and medium

• Main Authors: WANG QINGSONG, HUANG HAIFENG, LAI TAO, YU CUILIN
• Format: Patent
• Language: Chinese; English
• Published: 09.06.2023
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; CALCULATING; COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS; COMPUTING; COUNTING; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; ELECTRIC DIGITAL DATA PROCESSING; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

The invention belongs to the technical field of mathematical elevation models, and discloses a multi-source elevation data fusion method and device, computer equipment and a medium, and the method comprises the steps: inputting obtained optical elevation data into a trained optical elevation error prediction model, and outputting to obtain an optical elevation error value and an optical elevation error weight map, inputting the acquired radar elevation data into the trained radar elevation error prediction model, and outputting to obtain a radar elevation error value and a radar elevation error weight map; correcting the optical elevation data according to the optical elevation error value to obtain to-be-fused optical elevation data; correcting the radar elevation data according to the radar elevation error value to obtain radar elevation data to be fused; and performing weighted fusion on the optical elevation data to be fused and the radar elevation data to be fused according to the optical elevation error