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Multi-focus Image Fusion Based on Non-subsampled Discrete Wavelet Transform

open access: yesJournal of Harbin University of Science and Technology, 2018
Image fusion is widely used in military,medical and other fields. Image fusion technology is to use a specific algorithm to synthesize two or more images into a new image.
GUO Ling-xin, YUAN Li-ying, WANG Fei-yue
doaj   +1 more source

Wavelets on the Interval and Fast Wavelet Transforms

open access: yesApplied and Computational Harmonic Analysis, 1993
The paper contains a detailed analysis of several constructions of orthonormal bases of wavelets on a finite interval. A new construction is suggested which avoids some of the disadvantages of earlier constructions.
Cohen, Albert   +2 more
openaire   +3 more sources

An improved wavelet-ARIMA approach for forecasting metal prices [PDF]

open access: yes, 2014
Metal price forecasts support estimates of future profits from metal exploration and mining and inform purchasing, selling and other day-to-day activities in the metals industry.
Angus, Andrew   +3 more
core   +1 more source

The Reproducing Kernel Function for the Image Space of a Limited Spectrum Wavelet Transform

open access: yesJournal of Harbin University of Science and Technology, 2017
In order to describe the nature of image space of the wavelet transform and a limited spectrum and decay faster wavelet,this paper uses Shannon scaling function to construct a wavelet function,take advantage of wavelet analysis theory to give the nature ...
DENG Cai-xia, HE Peng, CHEN Xia-xia
doaj   +1 more source

Non-decimated Wavelet Transform for a Shift-invariant Analysis

open access: yesTrends in Computational and Applied Mathematics, 2018
Due to the ability of time-frequency location, the wavelet transform has been applied in several areas of research involving signal analysis and processing, often replacing the conventional Fourier transform.
Gabriela de Oliveira Nascimento Brassarote   +2 more
doaj   +1 more source

Optimal decomposition level of discrete, stationary and dual tree complex wavelet transform for pixel based fusion of multi-focused images [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2010
The fast development of digital image processing leads to the growth of feature extraction of images which leads to the development of Image fusion. The process of combining two different images into a new single image by retaining salient features from ...
Kannan Kanagaraj   +2 more
doaj   +1 more source

Gyrator wavelet transform

open access: yesIET Image Processing, 2018
The gyrator transform is a linear canonical transform, which generates the rotation of an optical signal in position‐spatial frequency planes. Gyrator wavelet transform is a relatively newer optical information processing tool obtained by combining the gyrator transform with the wavelet transform.
Isha Mehra   +2 more
openaire   +1 more source

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

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