GPU acceleration of 3D SAR imaging using range migration techniques

Author

Xueming, Peng ; Yanping, Wang ; Weixian, Tan ; Wen, Hong ; Yirong, Wu

Author_Institution

Nat. Key Lab. of Sci. & Technol. on Microwave Imaging, Inst. of Electron., Beijing, China

fYear

2011

fDate

26-30 Sept. 2011

Firstpage

1

Lastpage

4

Abstract

In this paper, the multi-baseline echo data was obtained by GB-SAR(Ground Based SAR) in IECAS which has a total of 101x161x96 (Elevation X Azimuth x Range) voxel(after range gating), we first padded the multi-baseline echo data with zero in every dimension to a total of 512x512x128 (Elevation x Azimuth x Range) in order to use Base- 2 FFT. We first reconstructed 3D SAR image with 3D range migration algorithm on Intel Xeon E5620 @2.40 GHz platform. Then, we use NVIDIA Tesla CI060 to reconstruct 3D SAR image with the same imaging algorithm. With Tesla CI060 we obtain 167X speedup ration compared with Intel Xeon E5620 CPU.

Keywords

computer graphic equipment; coprocessors; fast Fourier transforms; image reconstruction; radar imaging; synthetic aperture radar; 3D SAR image reconstruction; 3D SAR imaging algorithm; 3D range migration algorithm; GPU acceleration; Intel Xeon E5620 CPU; NVIDIA Tesla CI060; base-2 FFT; frequency 2.40 GHz; ground based SAR; multibaseline echo data; Azimuth; Filtering; Graphics processing unit; Imaging; Instruction sets; Kernel; Three dimensional displays;

fLanguage

English

Publisher

ieee

Conference_Titel

Synthetic Aperture Radar (APSAR), 2011 3rd International Asia-Pacific Conference on

Conference_Location

Seoul

Print_ISBN

978-1-4577-1351-4

Type

conf

Filename

6087054