Peak detection for MALDI mass spectrometry imaging data using sparse frame multipliers
F Lieb, T Boskamp, HG Stark - Journal of proteomics, 2020 - Elsevier
MALDI mass spectrometry imaging (MALDI MSI) is a spatially resolved analytical tool for
biological tissue analysis by measuring mass-to-charge ratios of ionized molecules. With …
biological tissue analysis by measuring mass-to-charge ratios of ionized molecules. With …
[HTML][HTML] Uncertainty principles and optimally sparse wavelet transforms
In this paper we introduce a new localization framework for wavelet transforms, such as the
1D wavelet transform and the Shearlet transform. Our goal is to design nonadaptive window …
1D wavelet transform and the Shearlet transform. Our goal is to design nonadaptive window …
Randomized signal processing with continuous frames
This paper focuses on signal processing tasks in which the signal is transformed from the
signal space to a higher dimensional coefficient space (also called phase space) using a …
signal space to a higher dimensional coefficient space (also called phase space) using a …
Wavelet design with optimally localized ambiguity function: A variational approach
In this paper, we design mother wavelets for the 1D continuous wavelet transform with some
optimality properties. An optimal mother wavelet here is one that has an ambiguity function …
optimality properties. An optimal mother wavelet here is one that has an ambiguity function …
Multiband imaging and characteristic spectrum extraction of optical fiber intrusion signal
Y Zhang, D Yang, Q Tian, H Qu - Optical Fiber Technology, 2017 - Elsevier
This paper proposes a multiband imaging method for optical fiber intrusion signals to realize
the multi-dimensional analysis and the characteristic spectrum extraction. Firstly, the time …
the multi-dimensional analysis and the characteristic spectrum extraction. Firstly, the time …
Existence of uncertainty minimizers for the continuous wavelet transform
Continuous wavelet design is the endeavor to construct mother wavelets with desirable
properties for the continuous wavelet transform (CWT). One class of methods for choosing a …
properties for the continuous wavelet transform (CWT). One class of methods for choosing a …
[PDF][PDF] EXISTENCE AND APPROXIMATIONS OF OPTIMAL WAVELETS
S HALVDANSSON - lup.lub.lu.se
In this thesis we consider two notions of mother wavelet uncertainty for the one-dimensional
wavelet transform based on a new localization framework recently introduced by Levie and …
wavelet transform based on a new localization framework recently introduced by Levie and …
Audio Inpainting Using M-Frames
F Lieb - Current Trends in Analysis and Its Applications …, 2015 - Springer
Classical short-time Fourier constructions lead to a signal decomposition with a fixed time-
frequency resolution. However, having signals with varying features, such time-frequency …
frequency resolution. However, having signals with varying features, such time-frequency …
A Wavelet Plancherel Theory with Application to Multipliers and Sparse Approximations
We introduce an extension of continuous wavelet theory that enables an efficient
implementation of multiplicative operators in the coefficient space. In the new theory, the …
implementation of multiplicative operators in the coefficient space. In the new theory, the …