NDLI: A fast SAS image simulator based on HPR algorithm

Content Provider	IEEE Xplore Digital Library
Author	Zhu Zhaotong Peng Shibao Xu Jia Xu Xiaomei
Copyright Year	2013
Description	Author affiliation: Dept. of Electron. Eng., Tsinghua Univ., Beijing, China (Peng Shibao) \|\| Key Lab. of Underwater Acoust. Commun. & Marine Inf. Technol., Xiamen Univ., Xiamen, China (Zhu Zhaotong; Xu Xiaomei) \|\| Sch. of Inf. & Electron., Beijing Inst. of Technol., Beijing, China (Xu Jia)
Abstract	Image Simulator is an important part in SAS development for automatic target recognition. The paper presents a fast SAS image simulator based on hidden points remove (HPR) algorithm. The proposed method models the target with three dimensional (3D) points and the target image is obtained by the combination of many ideal point responses of visible scatters projected on a predefined image plane. The 3D point visibility is judged by the HPR algorithm with approximate accuracy and less computational complexity. The simulation results show that the proposed method can obtain approximately the same image quality compared with ray tracing method but require less time, demonstrate the effectiveness of the HPR algorithm.
Sponsorship	IEEE Oceanic Eng. Soc.
Starting Page	1
Ending Page	5
File Size	797292
Page Count	5
File Format	PDF
ISBN	9780933957404
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	MTS
Subject Keyword	Synthetic aperture sonar Three-dimensional displays Solid modeling Ray tracing Computational modeling Approximation algorithms Computational complexity HPR Underwater Acoustics Synthetic Aperture Sonar Simulation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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