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Small-target detection in sea clutter

WebJul 1, 2024 · Introduction. High range resolution, a rapid scanning antenna and scan-to-scan integration technologies are generally applied for detecting small slowly moving sea-surface targets [], e.g. the periscope.However, for the wideband radar, the sea-clutter amplitude statistics are very long tailed and highly correlated [].This leads to high false alarm rate for … WebNov 29, 2024 · The jointed-feature detector for the floating small target in sea clutter is addressed in the paper. For the traditional energy-based detectors, it is difficult to detect the low...

A Novel Method of Small Target Detection in Sea Clutter

WebSep 18, 2024 · 2.1 Detection problem of floating small target in sea clutter Suppose that the radar transmits a coherent pulse train of length N at a beam position. When the cell under test (CUT) includes the returns with target, the CUT consists of target returns and sea clutter and noise; otherwise, the CUT consists of sea clutter and noise. WebSep 9, 2024 · It is challenging to detect small-floating object in the sea clutter for a surface radar. In this paper, we have observed that the backscatters from the target brake the continuity of the underlying motion of the sea surface in the time-Doppler spectra (TDS) images. Following this visual clue, we exploit the local binary pattern (LBP) to measure the … hearthwood condos https://bexon-search.com

Dim and Small Target Detection in Multi-Frame Sequence Using Bi …

WebFeb 24, 2024 · It is a big challenge to detect and track small infrared marine targets in non-stationary and time-varying sea clutter because the signal is too strong to be estimated. Based on the phenomenon that sea clutter spreads not only in the temporal domain but also in the spatial domain, this paper proposes an infrared small marine target detection … WebJul 19, 2004 · Small-target detection in sea clutter. Abstract: Sea clutter in marine surveillance radar makes the task of detecting small targets a very challenging problem. In this paper, a set of three signal processing techniques designed to suppress unwanted … WebSep 1, 2024 · According to Monte Carlo simulation results, the proposed graph-based signal (target) detection method leads to the outstanding performance, compared to other existing techniques, especially when the signal-to-noise ratio is rather small (0–6 dB). In this paper, a novel robust graph-based adequate and concise information representation paradigm is … mounting brackets for outdoor light fixtures

Small target detection in sea clutter using all-dimensional Hurst ...

Category:Moving Dim and Small Target Detection in Multi-Frame Infrared …

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Small-target detection in sea clutter

Small Target Detection in X-Band Sea Clutter Using the Visibility …

WebApr 13, 2024 · Target detection in side-scan sonar images plays a significant role in ocean engineering. However, the target images are usually severely interfered by the complex … WebJun 27, 2024 · Small target detection in high-resolution sea clutter is one of the important problems in radar target detection. We propose a new detector that adopts the visibility graph (VG) algorithm and the graph convolution neural network (GCN). This detector extracts the graph feature of radar echo networks for target detection after converting the …

Small-target detection in sea clutter

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WebJan 1, 2016 · Sea clutter refers to the signals returned from the wavy and turbulent rough sea surface. The radar returns from small targets, like submarine periscope or small boats, will be obscured by the sea clutter which makes the straightforward detection of targets, with small radar cross section, a difficult task.

WebResearch about infrared dim and small target detection (DSTD) is concentrated on single-frame algorithms, which are limited by the contrast between target and background and face with the problems of low detection probability, high false alarm rate and lack of robustness in low signal-to-clutter ratio (SCR) and strong noise environment. Studying use multi … WebSep 9, 2024 · It is challenging to detect small-floating object in the sea clutter for a surface radar. In this paper, we have observed that the backscatters from the target brake the …

WebThe method according to the invention detects small target on the sea with the difference. Furthermore the method does not require presupposing a sea clutter statistical model, and is not easily interfered by the sea peak. The application result of measured data also indicates that the method can effectively detect the small target on the sea. WebJan 1, 2016 · The radar returns from small targets, like submarine periscope or small boats, will be obscured by the sea clutter which makes the straightforward detection of targets, …

WebIn high sea conditions, the spectrum of some small floating targets will overlap with the clutter spectrum in varying degrees, as shown in Fig. 3. Even in the ... Cui SP (2014) Target detection in sea clutter background based on time-frequency analysis. Harbin Institute of Technology, Harbin, pp 25–32 (in Chinese) 8. Tough JA, Ward KD ...

WebJul 22, 2014 · Sea-glint makes the detection of small targets in the sea region a challenging problem, as shown in Figure 15. The dotted circle indicates the true target, and the arrow indicates the sun-glint. ... Reducing the number of false detections caused by clutter in small infrared target detection is quite challenging due to the point-like target ... mounting brackets for table legsWebJun 28, 2011 · Small-target detection in sea clutter S. Panagopoulos, J. Soraghan Engineering IEEE Transactions on Geoscience and Remote Sensing 2004 TLDR A set of three signal processing techniques designed to suppress unwanted sea clutter radar echo and achieve target detection with no prior knowledge of the ocean and environmental … mounting brackets for truck tool boxWebIn high sea conditions, the spectrum of some small floating targets will overlap with the clutter spectrum in varying degrees, as shown in Fig. 3. Even in the ... Cui SP (2014) … hearthwood apartmentsWebOct 10, 2024 · Sea-surface small target detection using entropy features with dual-domain clutter suppression 1. Introduction. Generally, it is a challenging and meaningful task for … hearth windsor menuWebApr 14, 2024 · By virtue of the merits of wide swath, persistent observation, and rapid operational response, geostationary remote sensing satellites (e.g., GF-4) show … hearthwood condos florham park njWebJun 30, 2024 · Small target detection in high-resolution sea clutter is one of the important problems in radar target detection. We propose a new detector which adopts the visibility graph algorithm... mounting buckle hardwareWebOct 25, 2024 · In this paper we propose a novel convolutional neural network based dual-activated clutter suppression algorithm, to solve the problem caused by low signal-to-clutter ratios in actual situations on the sea surface. Dual activation has two steps. hearthwood condos for sale