Results 71 to 80 of about 1,628 (189)
IEEE Access, 2021 Renewable energy (RE) generation levels are increasing in modern power systems at a fast rate due to their advantages of clean and non-exhaustible nature of energy.
Nagendra Kumar Swarnkar +3 more
doaj +1 more source
Source identification for mobile devices, based on wavelet transforms combined with sensor imperfections [PDF]
, 2013 One of the most relevant applications of digital image forensics is to accurately identify the device used for taking a given set of images, a problem called source identification.
A. L. Sandoval Orozco +14 more
core +1 more source
A Note on Fractional Gabor Systems in L2(ℝ)
Journal of Function Spaces, Volume 2024, Issue 1, 2024.In this article, fractional Gabor frames in L2(ℝ) are defined and studied. Also, a finite linear combination of fractional Gabor frames for L2(ℝ) is discussed. It is proved that under certain conditions, a finite linear combination of fractional Gabor frames is a fractional Gabor frame for L2(ℝ).
Dolly Jain +3 more
wiley +1 more source
The curvelet transform for image denoising [PDF]
, 2002 We describe approximate digital implementations of two new mathematical transforms, namely, the ridgelet transform and the curvelet transform. Our implementations offer exact reconstruction, stability against perturbations, ease of implementation, and ...
Candès, Emmanuel J. +2 more
core +1 more source
Invariant Generalised Ridgelet-Fourier for shape-based image retrieval [PDF]
, 2010 A new shape descriptor called the Invariant Generalised Ridgelet-Fourier is defined for the application of Content-based Image Retrieval (CBIR). The proposed spectral-based method is invariant to rotation, scaling, and translation (RST) as well as able ...
Ahmad, Fatimah +3 more
core +1 more source
RECOGNITION METHOD OF METAL FRACTURE IMAGES BASED ONEMPIRICAL RIDGELET-2DPCA
Jixie qiangdu, 2019 The empirical ridgelet transform has the ability of direction selectivity and adaptive decomposition. 2 DPCA can directly use the original image toconstruct the covariance matrix.
LI ZhiNong, WU WeiXiao
doaj
Ridgelet-based signature for natural image classification [PDF]
, 2005 This paper presents an approach to grouping natural scenes into (semantically) meaningful categories. The proposed approach exploits the statistics of natural scenes to define relevant image categories.
Le Borgne, Hervé, O'Connor, Noel E.
core
Generalized Ridgelet-Fourier for M×N images: determining the normalization criteria [PDF]
, 2009 Ridgelet transform (RT) has gained its popularity due to its capability in dealing with line singularities effectively. Many of the existing RT however is only applied to images of size M×M or the M×N images will need to be pre-segmented into M×M sub ...
Ahmad, Fatimah +3 more
core +1 more source
A Novel Optimized Semi-Blind Scheme for Color Image Watermarking
IEEE Access, 2020 Image watermarking is a robust solution for solving key issues like copyright protection and proof of ownership of digital data. Existing schemes of image watermarking mostly used grayscale or binary images as embedded watermarks, while only a few ...
Adnan Mustafa Cheema +2 more
doaj +1 more source
Second-Generation Curvelets on the Sphere [PDF]
, 2016 Curvelets are efficient to represent highly anisotropic signal content, such as a local linear and curvilinear structure. First-generation curvelets on the sphere, however, suffered from blocking artefacts.
Chan, JYH +3 more
core +2 more sources