?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Changhong&rft.au=Changhong%2C+Fu&rft.aufirst=Fu&rft.date=2015&rft.isbn=978-1-4799-6009-5&rft.title=Efficient+Visual+Odometry+and+Mapping+for+Unmanned+Aerial+Vehicle+Using+ARM-based+Stereo+Vision+Pre-Processing+System&rft.btitle=2015+International+Conference+on+Unmanned+Aircraft+Systems+(ICUAS)&rft.genre=proceeding