SAR Data Fusion Imaging Method Oriented to Target Feature Extraction
To deal with the difficulty for target outlines extracting precisely due to neglect of target scattering characteristic variation during the processing of high-resolution space-borne SAR data, a novel fusion imaging method is proposed oriented to target feature extraction. Firstly, several important...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
China Science Publishing & Media Ltd. (CSPM)
2015-02-01
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| Series: | Leida xuebao |
| Subjects: | |
| Online Access: | http://radars.ie.ac.cn/EN/abstract/abstract254.shtml# |
| _version_ | 1797426970626097152 |
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| author | Yang Wei Chen Jie Li Chun-sheng |
| author_facet | Yang Wei Chen Jie Li Chun-sheng |
| author_sort | Yang Wei |
| collection | DOAJ |
| description | To deal with the difficulty for target outlines extracting precisely due to neglect of target scattering characteristic variation during the processing of high-resolution space-borne SAR data, a novel fusion imaging method is proposed oriented to target feature extraction. Firstly, several important aspects that affect target feature extraction and SAR image quality are analyzed, including curved orbit, stop-and-go approximation, atmospheric delay, and high-order residual phase error. Furthermore, the corresponding compensation methods are addressed as well. Based on the analysis, the mathematical model of SAR echo combined with target space-time spectrum is established for explaining the space-time-frequency change rule of target scattering characteristic. Moreover, a fusion imaging strategy and method under high-resolution and ultra-large observation angle range conditions are put forward to improve SAR quality by fusion processing in range-doppler and image domain. Finally, simulations based on typical military targets are used to verify the effectiveness of the fusion imaging method. |
| first_indexed | 2024-03-09T08:37:32Z |
| format | Article |
| id | doaj.art-111430408c3140b3bf7a434f01d68d1b |
| institution | Directory Open Access Journal |
| issn | 2095-283X 2095-283X |
| language | English |
| last_indexed | 2024-03-09T08:37:32Z |
| publishDate | 2015-02-01 |
| publisher | China Science Publishing & Media Ltd. (CSPM) |
| record_format | Article |
| series | Leida xuebao |
| spelling | doaj.art-111430408c3140b3bf7a434f01d68d1b2023-12-02T17:45:25ZengChina Science Publishing & Media Ltd. (CSPM)Leida xuebao2095-283X2095-283X2015-02-0141293710.12000/JR15017SAR Data Fusion Imaging Method Oriented to Target Feature ExtractionYang Wei0Chen Jie1Li Chun-sheng2School of Electronics and Information Engineering, Beihang UniversitySchool of Electronics and Information Engineering, Beihang UniversitySchool of Electronics and Information Engineering, Beihang UniversityTo deal with the difficulty for target outlines extracting precisely due to neglect of target scattering characteristic variation during the processing of high-resolution space-borne SAR data, a novel fusion imaging method is proposed oriented to target feature extraction. Firstly, several important aspects that affect target feature extraction and SAR image quality are analyzed, including curved orbit, stop-and-go approximation, atmospheric delay, and high-order residual phase error. Furthermore, the corresponding compensation methods are addressed as well. Based on the analysis, the mathematical model of SAR echo combined with target space-time spectrum is established for explaining the space-time-frequency change rule of target scattering characteristic. Moreover, a fusion imaging strategy and method under high-resolution and ultra-large observation angle range conditions are put forward to improve SAR quality by fusion processing in range-doppler and image domain. Finally, simulations based on typical military targets are used to verify the effectiveness of the fusion imaging method.http://radars.ie.ac.cn/EN/abstract/abstract254.shtml#Space-borne SARTarget featureHigh-resolutionFusion imaging |
| spellingShingle | Yang Wei Chen Jie Li Chun-sheng SAR Data Fusion Imaging Method Oriented to Target Feature Extraction Leida xuebao Space-borne SAR Target feature High-resolution Fusion imaging |
| title | SAR Data Fusion Imaging Method Oriented to Target Feature Extraction |
| title_full | SAR Data Fusion Imaging Method Oriented to Target Feature Extraction |
| title_fullStr | SAR Data Fusion Imaging Method Oriented to Target Feature Extraction |
| title_full_unstemmed | SAR Data Fusion Imaging Method Oriented to Target Feature Extraction |
| title_short | SAR Data Fusion Imaging Method Oriented to Target Feature Extraction |
| title_sort | sar data fusion imaging method oriented to target feature extraction |
| topic | Space-borne SAR Target feature High-resolution Fusion imaging |
| url | http://radars.ie.ac.cn/EN/abstract/abstract254.shtml# |
| work_keys_str_mv | AT yangwei sardatafusionimagingmethodorientedtotargetfeatureextraction AT chenjie sardatafusionimagingmethodorientedtotargetfeatureextraction AT lichunsheng sardatafusionimagingmethodorientedtotargetfeatureextraction |