Zobrazeno 1 - 10
of 331
pro vyhledávání: '"multi-wavelet"'
Publikováno v:
IEEE Access, Vol 12, Pp 5092-5102 (2024)
Effective steel surface defect classification with low computational cost is essential for online quality inspection. The challenge of this task is large intra-class differences and unclear inter-class distances shown in various surface defects. This
Externí odkaz:
https://doaj.org/article/230abec7294741c08a598453e2bc1b7a
Publikováno v:
Tongxin xuebao, Vol 44, Pp 99-110 (2023)
In order to meet the demand for low peak to average ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) technology in the future 6G satellite-ground integrated system, an algorithm combining selective mapping (SLM) algorithm and multi-w
Externí odkaz:
https://doaj.org/article/cdb3b54792384044b60ac7afea1594de
Publikováno v:
Guan'gai paishui xuebao, Vol 42, Iss 3, Pp 97-103 (2023)
【Objective】 Precipitation and its variation is the driver of all ecological functions in a catchment. It is affected by many factors. This paper investigates the variation in precipitation and its multi-scale correlations with atmospheric circula
Externí odkaz:
https://doaj.org/article/13783cc5fb8b4bf8959c6869d21f4ab9
Autor:
Zainab Ibraheem Abood
Publikováno v:
Journal of Engineering, Vol 19, Iss 11 (2023)
In this paper three techniques for image compression are implemented. The proposed techniques consist of three dimension (3-D) two level discrete wavelet transform (DWT), 3-D two level discrete multi-wavelet transform (DMWT) and 3-D two level hybrid
Externí odkaz:
https://doaj.org/article/c08354bdc6604a9d9850b80032c9d44e
Akademický článek
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Publikováno v:
Journal of Engineering, Vol 18, Iss 1 (2023)
This search has introduced the techniques of multi-wavelet transform and neural network for recognition 3-D object from 2-D image using patches. The proposed techniques were tested on database of different patches features and the high energy subband
Externí odkaz:
https://doaj.org/article/876a10a055744d7999654213d20a93ce
Publikováno v:
AIMS Mathematics, Vol 6, Iss 2, Pp 1296-1308 (2021)
We employ the multi-wavelet Galerkin method for the numerical solution of the telegraph equation with initial and boundary conditions. The problem becomes a sparse system of linear equations and the GMRES method is used to solve this system. The adva
Externí odkaz:
https://doaj.org/article/5ca9569e1d864b289d352485e1d0e5e7
Finding an optimal dictionary of different wavelet types using sparse modeling to denoise ECG signal
Autor:
Samann Fars, Schanze Thomas
Publikováno v:
Current Directions in Biomedical Engineering, Vol 7, Iss 2, Pp 125-128 (2021)
Sparse signal modeling often reconstructs a signal with few atoms from a pre-defined dictionary. Hence the choice of wavelet dictionary that represents the sparsity of the target signal is crucial in sparse modeling approach. The challenge of finding
Externí odkaz:
https://doaj.org/article/f1f8eff323db4ae49cfbf34988b4aeda
Akademický článek
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Akademický článek
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