A Method of Rapid Distortion Correction for UAV Image Based on GPU-CPU Co-Processing Technology

被引：0
|
作者：
Li Penglong [1 ,2 ]
Ding Yi [1 ,2 ]
Duan Songjiang [1 ,2 ]
Luo Ding [1 ,2 ]
Jiang Ziwei [1 ,2 ]
Xiao Yong [1 ,2 ]
机构：
[1] Chongqing Geomat Ctr, Chongqing 401147, Peoples R China
[2] Chongqing Remote Sensing Ctr, Chongqing 401147, Peoples R China
来源：
IGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2018年
关键词：
UAV Low Altitude Remote Sensing System; Remote Sensing Image; Distortion Correction; GPU-CPU Co-Processing;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A method of rapid distortion correction for UAV (unmanned aerial vehicle) images based on GPU-CPU co-processing technology is introduced in this paper. Firstly, the GPU-CPU co-processing technique is used to accelerate the process of image distortion correction, then the efficiency of image distortion correction is further improved by selecting the best grid configuration and multi-level memory optimization and other strategies. Experimental results show that this method can not only obtain the same results as CPU serial computation, but also obtain a good acceleration effect that the maximum acceleration ratio of distortion correction computing process is 170.13 times, and the acceleration ratio of the whole process reaches 6.6 times. Hence, the method provided in this paper can meet the demand of fast distortion correction for large series of UAV images.
引用
收藏
页码：5720 / 5723
页数：4
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