15 Result(s)
within
Quantum Information Technology, Spintronics
Signal, Image and Speech Processing
**g-** Ge
Article
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Article
Open AccessEvaluating Edge Detection through Boundary Detection
Edge detection has been widely used in computer vision and image processing. However, the performance evaluation of the edge-detection results is still a challenging problem. A major dilemma in edge-detection ...
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Open AccessSelective Weighting of Undecimated Wavelet Coefficients for Noise Reduction in SAR Interferograms
This paper describes a technique for noise reduction in synthetic aperture radar interferometry. The noisy interferogram is decomposed using undecimated wavelet transform and the coefficients are weighted. A n...
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Open AccessGabor Directional Binary Pattern: An Image Descriptor for Gaze Estimation
This paper proposes an image descriptor, Gabor Directional Binary Pattern (GDBP), for robust gaze estimation. In GDBP, Gabor magnitude information is extracted firstly from a cropped subimage. The local direct...
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Open AccessFast target detection method for high-resolution SAR images based on variance weighted information entropy
Since the traditional CFAR algorithm is not suitable for high-resolution target detection of synthetic aperture radar (SAR) images, a new two-stage target detection method based on variance weighted informatio...
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Open AccessMultiple extended target tracking algorithm based on GM-PHD filter and spectral clustering
With the increase of the resolution of modern radars and other detection equipments, one target may produce more than one measurement. Such targets are referred to as extended targets. Recently, multiple exten...
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Open AccessA coalitional graph game framework for network coding-aided D2D communication
The application of device-to-device (D2D) communication in cellular networks can significantly improve the efficiency of spectrum utilization, which benefits local area cooperative services. On the other hand,...
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Open AccessA limited feedback scheme for massive MIMO systems based on principal component analysis
Massive multiple-input multiple-output (MIMO) is becoming a key technology for future 5G cellular networks. Channel feedback for massive MIMO is challenging due to the substantially increased dimension of the ...
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Open AccessUnimodular sequence design under frequency hop** communication compatibility requirements
The integrated design for both radar and anonymous communication has drawn more attention recently since wireless communication system appeals to enhance security and reliability. Given the frequency hop** (...
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Open AccessA robust power allocation strategy based on benefit–cost ratio for multiple target guidance in the C-MIMO radar system under blanket jamming
How to utilize the limited power budget to accurately track more targets plays a critical role for the radar system in air defense applications, especially in the weapon guidance application. In this paper, we...
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Open AccessThe deception effect of FDA counteracting amplitude-comparison monopulse reconnaissance
Conventional phased array radar can direct the high-gain beam, resulting in high visibility under the reconnaissance system and even direct exposure to the enemy. As an amplitude-based direction-finding system...
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Open AccessTheoretical formulation/development of signal sampling with an equal arc length using the frame theorem
Nonuniform sampling with equal arc length intervals can be found in shape measurements with contact sensor arrays. In this study, the conditions of nonuniform spatial sampling with an equal arc length interval...
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Open AccessA signal enhancement method based on the reverberation statistical information
This paper proposes a reverberation suppression algorithm utilizing fractional lower-order moments based on statistical properties. As fractional lower-order moments can only be applied on symmetric α-stable r...
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Open AccessPoint matching based on affine invariant centroid trees
Object detection can be formulated as a point matching problem when objects are modeled by point sets. Moments, which have been widely used for point matching, are limited to affine transformations as their su...
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Open AccessFrequency estimation for underwater CW pulse by interpolation on fractional Fourier coefficients based on amplitude ratio method
Fast and accurate estimation of sinusoidal signals plays an important role in many fields like communications, radar, sonar, etc. In underwater signal processing applications, sinusoidal signals usually take t...
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Open AccessComprehensive analysis of aero-engine vibration signals based on wavelet transform method
A single type of signal processing means that it is difficult to analyze vibration signals comprehensively and effectively. By comprehensively using wavelet analysis techniques, a comprehensive and in-depth st...
