Hyperspectral Ghost Image Residual Correction Method Based on PSF Degradation Model Article Swipe
Xijie Li
,
Jiating Yang
,
Tieqiao Chen
,
Siyuan Li
,
Pengchong Wang
,
Sai Zhong
,
Ming Gao
,
Bingliang Hu
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/rs17244006
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/rs17244006
In hyperspectral images, ghost image residuals exceeding a certain threshold not only reduce the recognition accuracy of the imaging detection system but also decrease the target identification rate. Ghost image residuals affect both the recognition accuracy of the detection system and the accuracy of spectral calibration, thereby influencing qualitative and quantitative inversion. Conventional ghost image residual correction methods can significantly affect both the relative and absolute calibration accuracy of hyperspectral images. To minimize the impact on spectral calibration accuracy during ghost image residual correction, we propose a ghost image degradation model and an iterative optimization algorithm. In the proposed approach, a ghost image residual degradation model is constructed based on the point spread function (PSF) of ghost image residuals and their energy distribution characteristics. Using the proportion of ghost image residuals and the accuracy of hyperspectral image calibration as constraints, we iteratively optimized typical regional target ghost image residuals across different spectral channels, achieving automated correction of ghost image residuals in various spectral bands. The experimental results show that the energy proportion of ghost image residuals at different wavelengths decreased from 4.6% to 0.3%, the variations in spectral curves before and after correction were less than 0.8%, and the change in absolute radiometric calibration accuracy was below 0.06%.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/rs17244006
- https://www.mdpi.com/2072-4292/17/24/4006/pdf
- OA Status
- gold
- OpenAlex ID
- https://openalex.org/W4417241429
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Raw OpenAlex JSON
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https://doi.org/10.3390/rs17244006Digital Object Identifier
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Hyperspectral Ghost Image Residual Correction Method Based on PSF Degradation ModelWork title
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articleOpenAlex work type
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enPrimary language
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2025Year of publication
- Publication date
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2025-12-11Full publication date if available
- Authors
-
Xijie Li, Jiating Yang, Tieqiao Chen, Siyuan Li, Pengchong Wang, Sai Zhong, Ming Gao, Bingliang HuList of authors in order
- Landing page
-
https://doi.org/10.3390/rs17244006Publisher landing page
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https://www.mdpi.com/2072-4292/17/24/4006/pdfDirect link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.mdpi.com/2072-4292/17/24/4006/pdfDirect OA link when available
- Cited by
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0Total citation count in OpenAlex
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| abstract_inverted_index.channels, | 152 |
| abstract_inverted_index.decreased | 179 |
| abstract_inverted_index.detection | 19, 38 |
| abstract_inverted_index.different | 150, 177 |
| abstract_inverted_index.exceeding | 6 |
| abstract_inverted_index.iterative | 93 |
| abstract_inverted_index.optimized | 142 |
| abstract_inverted_index.residuals | 5, 30, 118, 130, 148, 159, 175 |
| abstract_inverted_index.threshold | 9 |
| abstract_inverted_index.algorithm. | 95 |
| abstract_inverted_index.correction | 56, 155, 192 |
| abstract_inverted_index.inversion. | 51 |
| abstract_inverted_index.proportion | 126, 171 |
| abstract_inverted_index.variations | 185 |
| abstract_inverted_index.calibration | 66, 77, 137, 203 |
| abstract_inverted_index.constructed | 107 |
| abstract_inverted_index.correction, | 83 |
| abstract_inverted_index.degradation | 89, 104 |
| abstract_inverted_index.influencing | 47 |
| abstract_inverted_index.iteratively | 141 |
| abstract_inverted_index.qualitative | 48 |
| abstract_inverted_index.radiometric | 202 |
| abstract_inverted_index.recognition | 14, 34 |
| abstract_inverted_index.wavelengths | 178 |
| abstract_inverted_index.Conventional | 52 |
| abstract_inverted_index.calibration, | 45 |
| abstract_inverted_index.constraints, | 139 |
| abstract_inverted_index.distribution | 122 |
| abstract_inverted_index.experimental | 165 |
| abstract_inverted_index.optimization | 94 |
| abstract_inverted_index.quantitative | 50 |
| abstract_inverted_index.hyperspectral | 1, 69, 135 |
| abstract_inverted_index.significantly | 59 |
| abstract_inverted_index.identification | 26 |
| abstract_inverted_index.characteristics. | 123 |
| cited_by_percentile_year | |
| corresponding_author_ids | https://openalex.org/A5100406638 |
| countries_distinct_count | 1 |
| institutions_distinct_count | 8 |
| corresponding_institution_ids | https://openalex.org/I4210144662 |
| citation_normalized_percentile |