Cyber-Resilient Detection of Power Quality Events With NSCT and PCA-SVM
The increasing reliance on smart grids, coupled with the integration of renewable energy and growing cyber-physical interactions, has heightened the vulnerability of power systems to both power quality (PQ) disturbances and cyber-attacks.
Sayanti Chatterjee +7 more
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Image Edge Detection Based on Gaussian Mixture Model in Nonsubsampled Contourlet Domain
In order to get accurate location and continuous edges, Gaussian mixture model and local direction modulus nonmaxima suppression are used in high frequency subbands of nonsubsampled Contourlet transform.
Li Yang, Chang Xia, Chang Juan
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Unsupervised Change Detection Using Ground-based Radar Image
Ground-based radar is a microwave remote sensing imaging technology that has been gradually developed throughout the past 20 years so that it has become mature. At present, it has been widely used in monitoring geological disasters such as landslides and
HUANG Pingping +5 more
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Image steganography based on nonsubsampled Contourlet transform and Hill cipher
A novel image steganography was proposed,which was based on nonsubsampled Contourlet transform (NSCT)and Hill cipher.Firstly,cover image was decomposed with NSCT.It provided a multi-scale and multi-directional representation of an image.One of subbands ...
Shuliang SUN
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Hybrid Multi-Scale Medical Image Fusion Based on Structural Similarity Optimization [PDF]
Existing multi-modal medical image fusion methods suffer from incomplete preservation of structural information and phase features. Therefore, this study proposes a medical image fusion method based on hybrid multi-scale decomposition and local structure
Yunhang LI, Qing PAN, Nili TIAN
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Remote Sensing Image Change Detection Based on NSCT-HMT Model and Its Application
Traditional image change detection based on a non-subsampled contourlet transform always ignores the neighborhood information’s relationship to the non-subsampled contourlet coefficients, and the detection results are susceptible to noise interference ...
Pengyun Chen +4 more
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Local Feature Descriptor Based on Nonsubsampled Contourlet Transform Domain
:In order to obtain the robust local feature descriptor, a local feature descriptor based on nonsubsampled contourlet transform (NSCT) domain was proposed, which does not need to estimate the main direction in the construction process.
颜普, 梁栋, 朱明, 唐俊
doaj
NSCT BASED LOCAL ENHANCEMENT FOR ACTIVE CONTOUR BASED IMAGE SEGMENTATION APPLICATION [PDF]
Because of cross-disciplinary nature, Active Contour modeling techniques have been utilized extensively for the image segmentation. In traditional active contour based segmentation techniques based on level set methods, the energy functions are defined ...
Hiren Mewada, Suprava Patnaik
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Robust Video Watermark Algorithm Based on NSCT-PHFM [PDF]
With the widespread use of short video sharing platforms and editing software, video copyright have become an urgent issue that needs to be addressed. To overcome this problem, robust video-watermarking methods have been proposed.
TIAN Shuangyan, CHEN Yanli, ZHOU Yonghui
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Design of a High-Speed Pavement Image Acquisition System Based on Binocular Vision
The acquisition of images of road surfaces not only establishes a theoretical foundation for road maintenance by relevant departments but also is instrumental in ensuring the safe operation of highway transportation systems. To address the limitations of
Ruipeng Gao +4 more
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