by P. Pfaff, R. Triebel and W. Burgard
Reference:
An Efficient Extension to Elevation Maps for Outdoor Terrain Mapping and Loop Closing (P. Pfaff, R. Triebel and W. Burgard), In International Journal of Robotics Research (IJRR), volume 26, 2007.
Bibtex Entry:
@article{pfaff07efficient,
author = {P. Pfaff and R. Triebel and W. Burgard},
title = {An Efficient Extension to Elevation Maps for Outdoor Terrain Mapping and Loop Closing},
journal = {International Journal of Robotics Research (IJRR)},
year = {2007},
volume = {26},
number = {2},
pages = {217-230},
}