Small-target detection in sea clutter

Author: cjzb

August undefined, 2024

WebInfrared dim and small target detection is widely used in military and civil fields. Traditional methods in that application rely on the local contrast between the target and background for single-frame detection. On the other hand, those algorithms depend on the motion model with fixed parameters for multi-frame association. For the great similarity of gray value … WebJun 1, 2024 · Sea-surface small target detection is substantially a special classification problem to distinguish target returns from sea clutter. It is known that the reason of the Hurst exponent of amplitude sequence to be able to find targets is that radar returns of small targets have less fluctuation in amplitude or power than sea clutter in a long ...

Small Target Detection Within Sea Clutter Based on Fractal Analysis

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 … WebJun 27, 2024 · Abstract: 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 … slow down let me love you marley

Infrared Small Marine Target Detection Based on Spatiotemporal …

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. WebAug 6, 2002 · A new method based on chaos and neural network theory for small target detection in sea clutter is presented. The authors present the signal model. They then describe a neural network trained with the least-mean-square (LMS) algorithm for the dynamic reconstruction of sea clutter. A chaotic detection algorithm based on the neural … WebApr 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 … slow down linda eric clapton chords

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

Floating Small Target Detection in Sea Clutter Based on …

WebJun 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 … WebAug 6, 2002 · A new method based on chaos and neural network theory for small target detection in sea clutter is presented. The authors present the signal model. They then … slow down lifeWebSep 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 … slow down let me love u

"WebJan 1, 2012 · This paper focuses on small target of sea surface detection in sea clutter. Firstly, it analyses the statistic of sea clutter. Secondly, three feature vectors (namely, … " - Small-target detection in sea clutter

Small-target detection in sea clutter

Small-floating Target Detection in Sea Clutter via Visual Feature ...

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 … 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.

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WebSep 1, 2024 · This database is recognized and authoritative measured database for small target detection in sea clutter. Some parameters of the IPIX radar are shown in Table 1. … 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 …

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 … 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...

WebJun 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... WebNov 29, 2024 · Floating Small Target Detection in Sea Clutter Based on Jointed Features in FRFT Domain 1 Introduction. The traditional energy accumulation detectors are …

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) …

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 … slow down led signWebApr 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 … software development bug trackingWebOct 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. slow down linda songWebJan 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, … slow down larry williams songWebSep 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. slow down linda eric clapton tabWebFeb 11, 2024 · The first maritime surveillance radars in World War II quickly discovered that returns from the sea, soon to be known as sea clutter, … slow down lights follow 歌詞WebOct 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 … software development business for sale