Results 31 to 40 of about 85,041 (313)

Norm Retrievable Wavelet Systems [PDF]

open access: yesSahand Communications in Mathematical Analysis
This paper focuses on the norm retrieval problem for wavelet transform. The wavelet transform associated with an admissible wavelet is norm retrieval. However, this problem is difficult in special cases, i.e., for wavelet systems. We give some results of
Mahdieh sadat Aghaei   +1 more
doaj   +1 more source

Multiscale texture classification and retrieval based on magnitude and phase features of complex wavelet subbands [PDF]

open access: yes, 2011
This paper proposes a multiscale texture classifier which uses features extracted from both magnitude and phase responses of subbands at different resolutions of the dual-tree complex wavelet transform decomposition of a texture image.
Tjahjadi, Tardi   +3 more
core   +1 more source

True 2-D 5/3 wavelet transform and its application for CT image lossless compression

open access: yesDianxin kexue, 2016
Wavelet transform is widely used in the field of digital image processing,and it usually processes image by separating the row and column,which can’t meet the human visual system(HVS)completely.To address this situation,a kind of true 2-D 5/3 wavelet ...
Nini XU, Mingming ZHANG, Jianming WANG
doaj   +2 more sources

Multiresolution-based image fusion with additive wavelet decomposition [PDF]

open access: yes, 1999
The standard data fusion methods may not be satisfactory to merge a high-resolution panchromatic image and a low-resolution multispectral image because they can distort the spectral characteristics of the multispectral data.
Fors Aldrich, Octavi   +8 more
core   +1 more source

Non-parametric linear time-invariant system identification by discrete wavelet transforms [PDF]

open access: yes, 2006
We describe the use of the discrete wavelet transform (DWT) for non-parametric linear time-invariant system identification. Identification is achieved by using a test excitation to the system under test (SUT) that also acts as the analyzing function for ...
Luk, RWP   +3 more
core   +1 more source

Gabor Wavelet Transform in Image Compression

open access: yesJournal of Kufa for Mathematics and Computer, 2012
In the present paper, an important mathematical transform which is called Gabor transform be used to develop a method for image compression. Gabor transform is a type of wavelet-based transform.
Ali Hassan Al-Fayadh   +2 more
doaj   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

open access: yesFEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace   +6 more
wiley   +1 more source

Multiresolution analysis using wavelet, ridgelet, and curvelet transforms for medical image segmentation [PDF]

open access: yes, 2011
Copyright @ 2011 Shadi AlZubi et al. This article has been made available through the Brunel Open Access Publishing Fund.The experimental study presented in this paper is aimed at the development of an automatic image segmentation system for classifying ...
Alzubi, S   +5 more
core   +1 more source

Continuous and Discrete Wavelet Transforms Associated with Hermite Transform

open access: yesInternational Journal of Analysis and Applications, 2020
In this paper, we accomplished the concept of continuous and discrete Hermite wavelet transforms. We also discussed some basic properties of Hermite wavelet transform.
C. P. Pandey, Pranami Phukan
doaj  

Local transformations with a singular wavelet

open access: yesInformatika, 2020
The paper considers a local wavelet transform with a singular basis wavelet. The problem of nonparametric approximation of a function is solved by the use of the  sequence of local wavelet transforms.
V. M. Romanchak
doaj   +1 more source

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