Spectral-Spatial Feature Fusion for Hyperspectral Anomaly Detection
Hyperspectral anomaly detection is used to recognize unusual patterns or anomalies in hyperspectral data. Currently, many spectral-spatial detection methods have been proposed with a cascaded manner; however, they often neglect the complementary characteristics between the spectral and spatial dimensions, which easily leads to yield high false alarm rate. To alleviate this issue, a spectral-spatial information fusion (SSIF) method is designed for hyperspectral anomaly detection. First, an isolation forest is exploited to obtain spectral anomaly map, in which the object-level feature is constructed with an entropy rate segmentation algorithm. Then, a local spatial saliency detection scheme is proposed to produce the spatial anomaly result. Finally, the spectral and spatial anomaly scores are integrated together followed by a domain transform recursive filtering to generate the final detection result. Experiments on five hyperspectral datasets covering ocean and airport scenes prove that the proposed SSIF produces superior detection results over other state-of-the-art detection techniques.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
Sensors (Basel, Switzerland) - 24(2024), 5 vom: 03. März |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Shaocong [VerfasserIn] |
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| Links: |
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| Themen: |
Anomaly detection |
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| Anmerkungen: |
Date Revised 15.03.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/s24051652 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369649036 |
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| 520 | |a Hyperspectral anomaly detection is used to recognize unusual patterns or anomalies in hyperspectral data. Currently, many spectral-spatial detection methods have been proposed with a cascaded manner; however, they often neglect the complementary characteristics between the spectral and spatial dimensions, which easily leads to yield high false alarm rate. To alleviate this issue, a spectral-spatial information fusion (SSIF) method is designed for hyperspectral anomaly detection. First, an isolation forest is exploited to obtain spectral anomaly map, in which the object-level feature is constructed with an entropy rate segmentation algorithm. Then, a local spatial saliency detection scheme is proposed to produce the spatial anomaly result. Finally, the spectral and spatial anomaly scores are integrated together followed by a domain transform recursive filtering to generate the final detection result. Experiments on five hyperspectral datasets covering ocean and airport scenes prove that the proposed SSIF produces superior detection results over other state-of-the-art detection techniques | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a hyperspectral image | |
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| 650 | 4 | |a local saliency detection | |
| 650 | 4 | |a spectral–spatial fusion | |
| 700 | 1 | |a Li, Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Guangyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Qiu, Xianfei |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Tinghao |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Donghui |e verfasserin |4 aut | |
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