Title :
Bayesian digital terrain model reconstruction on Virtex-II FPGA
Author :
Tao, Han ; Khoong, T.L. ; Serena, Chai Geok Ling
Author_Institution :
Electron. & Signal Process. Center, DSO Nat. Labs., Singapore, Singapore
Abstract :
A digital terrain model (DTM) is a 3D discrete representation of the Earth´s terrain or topography. A fully Bayesian approach to DTM reconstruction (or elevation field estimation) is developed using the general projection equations frequently encountered in photogrammetry. The hardware implementation of the Bayesian DTM reconstruction algorithm is investigated due to its high computational demand. Here, we describe the implementation on a hybrid processor-FPGA system to improve on the processing performance of the DTM reconstruction.
Keywords :
field programmable gate arrays; geophysics computing; image reconstruction; photogrammetry; topography (Earth); 3D discrete representation; Bayesian DTM reconstruction algorithm; Bayesian digital terrain model reconstruction; Virtex-II FPGA; earths terrain; elevation field estimation; field programmable gate arrays; hardware implementation; hybrid processor FPGA system; photogrammetry; topography; Bayesian methods; Cameras; Digital elevation models; Earth; Equations; Field programmable gate arrays; Hardware; Image reconstruction; Pixel; Satellites;
Conference_Titel :
Field-Programmable Technology (FPT), 2003. Proceedings. 2003 IEEE International Conference on
Print_ISBN :
0-7803-8320-6
DOI :
10.1109/FPT.2003.1275764
