Zhong-Hua HONG, Peng-Fei SUN, Ru-Yan ZHOU, Xiao-Hua TONG, Yong-Jiu FENG, Shi-Jie LIU. Fast mosaicking method of InSAR-generated multi-stripe digital elevation model[J]. Journal of Infrared and Millimeter Waves, 2022, 41(2): 493
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 2, 493 (2022)
Fig. 1. Large-scale multi-stripe digital elevation model（DEM）mosaicking method
Fig. 2. Processing flow of digital elevation model（DEM）multi-stripe matching
Fig. 3. Chips partition and sliding matching
Fig. 6. Schematic diagram of digital elevation model（DEM）mosaicking strategy
Fig. 7. Collaborative execution process of CPU and GPU after performance optimization
Fig. 8. Flowchart of CPU parallel computing overlap area
Fig. 9. Tie-point matching flow chart of CPU parallel computing
Fig. 10. GPU parallel computing architecture
Fig. 11. Slope map of study area.
Fig. 12. Distribution of tie-points
Fig. 13. ICESat laser points（red）superimposed on a TanDEM-X grid image
Fig. 14. TanDEM-X grid image after block adjustment
Fig. 15. Large-scale TanDEM-X mosaicking image
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Table 2. [in Chinese]
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Table 3. Comparison of parallel acceleration time
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Table 4. Comparison of check points and digital elevation model（DEM）elevation residuals before and after adjustment
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Table 5. Comparison of resampling parallel acceleration time
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