Research Article

Reliable SINS/SAR/GNSS Integrated Navigation System for the Supersonic Vehicle

Table 1

The comparative experiment results of feature algorithms.

Feature algorithmMatching algorithmSAR image sizeAverage position error (pixel)Average time of the whole process (s)

ORBFLANN [27]1.70.11
SAR-SIFTFLANN [27]1.60.14
LSDLSD2.40.19
OursSSDA1.90.09