Search Results for "wavelet"
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Showing 71 open source projects for "wavelet"
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Wavelets.jl
A Julia package for fast discrete wavelet transforms and utilities
A Julia package for fast wavelet transforms (1-D, 2-D, 3-D, by filtering or lifting). The package includes discrete wavelet transforms, column-wise discrete wavelet transforms, and wavelet packet transforms. 1st generation wavelets using filter banks (periodic and orthogonal). Filters are included for the following types: Haar, Daubechies, Coiflet, Symmlet, Battle-Lemarie, Beylkin, Vaidyanathan. 2nd generation wavelets by lifting (periodic and general type including orthogonal and biorthogonal). ... -
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Sherloq
An open source digital image forensic toolset
Sherloq is a research-oriented toolkit designed for digital image forensics, providing an integrated environment to experiment with algorithms for image analysis and tampering detection. Rather than functioning as an automated decision-making system, it serves as a companion tool for researchers, enthusiasts, and students who want to explore forensic techniques from scientific literature and workshops. The project emphasizes transparency and community collaboration, contrasting with... -
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libsombrero
Astronomical object/structure detection from 1D and 2D data sets.
Sombrero is a fast wavelet image processing and object detection C library for astronomical images. Sombrero is named after the "Mexican Hat" shape of the wavelet masks used in image convolution and is released under the GNU LGPL library. -
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NumeRe
Framework for numerical computations, data analysis and visualisation
Curve fitting | Data analysis | Plotting | Matrix operations | FFT | Extensible framework | Multiple file formats | Programmable | Open source | Free for everyone NumeRe: Framework for Numerical Computation is a numerical framework written for Microsoft Windows(R) and released under the GNU GPL v3 for solving and visualizing mathematical and physical problems numerically. Keep simple things simple: You want to plot a sine function? Just enter 'plot sin(x)'. You want to load some... -
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Image16
Image viewer/editor specialized in astrophotography 16bits processing
Opens/saves TIF, FITS, PNG, XISF, PXM, RAW, JPG, XCF, PSD, WEBP. AsinH, Sqrt, Ln, Exp and Sqr stretching, HSL and RGB adjusting, Levels and Curves adjusting and Background Extraction for Color Balance, Flatness and Gradient Correction. Arithmetic between images. Resizing and croping. Color Balance based on background, selection or stars B-V (after platesolving). Debayering/Bayering. Inversion, mirroring, rotation, barrel/pincushion correction. RGB alignment/shifting. Erode, Dilate, ...... -
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FlexCurve
Layer-based headphone calibration, AutoEQ and FIR rendering
FlexCurve is a VST3 headphone-correction curve editor, layer-based calibration tool, AutoEQ workspace, and FIR renderer. It imports local TXT, CSV, Equalizer APO / Wavelet GraphicEQ, APO Parametric EQ, Melda FreeForm EQ CSV, and WAV FIR files as editable layers, previews changes in real time, blends active layers into an Average curve, and renders the result as Minimum, Natural, or Linear phase FIR. -
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A implementation of the mathematical model of the human ear described in the Benedetto and Teolis paper.
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gimp-plugins-zvezdochiot
Collection GIMP plugins by zvezdochiot
Collection GIMP plugins by zvezdochiot: * gimp-plugin-astronomy * gimp-plugin-avif * gimp-plugin-beautify * gimp-plugin-bilateral * gimp-plugin-colors-threshold * gimp-plugin-deskew * gimp-plugin-dithering * gimp-plugin-djvu * gimp-plugin-fourier * gimp-plugin-ogniewski-scaler * gimp-plugin-photorestore * gimp-plugin-pixel-art-scalers * gimp-plugin-refocus * gimp-plugin-resize-ris * gimp-plugin-ris * gimp-plugin-scaler-biakima * gimp-plugin-yuv * gimp-wavelet: - gimp-plugin-wavelet-decompose - gimp-plugin-wavelet-denoise - gimp-plugin-wavelet-sharpen -
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libPGF
libPGF is an implementation of the Progressive Graphics File (PGF)
The Progressive Graphics File (PGF) is an efficient image file format, that is based on a fast, discrete wavelet transform with progressive coding features. PGF can be used for lossless and lossy compression. It's most suitable for natural images. PGF can be used as a very efficient and fast replacement of JPEG 2000. -
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WaveletStat
Wavelet analysis of 1D and 2D statistical distributions
This is WaveletStat, a scientific software to analyse statistical distributions by Continuous Wavelet Transforms (CWTs). Taking an input random sample, it computes the corresponding CWT, filters out the noise based on a p-value criterion, and reconstructs a denoised model of the density function by matching pursuit iterations. The C++ code has two branches: the 1D branch can be used on 1D distributions only, while 1D2D can be used both on 1D and 2D distributions (though less optimal on 1D). ... -
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VStar
Multi-platform Variable Star Visualisation and Analysis
VStar is a multi-platform, easy-to-use variable star observation visualisation and analysis tool. Data can be read from a file or the AAVSO database, light curves and phase plots created, period analysis performed, and filters applied. Plugins can be developed, e.g. to make additional observation sources available. See also: 1. http://www.aavso.org/vstar-overview 2. http://www.aavso.org/forums/about-aavso/vstar 3. http://dbenn.wordpress.com/category/astronomy-science/vstar 4.... -
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The Large Time/frequency Analysis TB
LTFAT is a Matlab/Octave Fourier, time-frequency and wavelet toolbox.
******************************************************* LTFAT was moved to Github https://github.com/ltfat. ******************************************************* -
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karkinos
Tumor genotyper for Exome sequence that detects SNV,CNV, aTumor purity
karkinos is tumor genotyper which detects single nucleotide variation (SNV), integer copy number variation (CNV) and calculates tumor cellularity from tumor-normal paired sequencing data. Accurate CNV calling is achieved using continuous wavelet analysis and multi-state HMM, while SNV call is adjusted by tumor cellularity and filtered by heuristic filtering algorithm and Fisher Test. Also, Noise calls in low depth region are removed using EM algorithm. -
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Evita is a prototype system for the exploration of terascale dataset by using a a wavelet-based representational scheme allowing ranked access to macroscopic data features.
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wavelib
C Implementation of Wavelet Transform (DWT,SWT and MODWT)
...For signals of other lengths see MODWT implementation. MODWT/IMODWT Maximal Overlap Discrete Wavelet Transform is another undecimated transform. It is implemented for signals of any length but only orthogonal wavelets (Daubechies, Symlets and Coiflets) can be deployed. This implementation is based on the method laid out in "Wavelet Methods For Wavelet Analysis" by Donald Percival and Andrew Walden. Documentation Available at - https://github.com/rafat/wavelib/wiki -
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These Matlab codes are the implementation of the TASLP paper, "Speech enhancement based on student t modeling of Teager energy operated perceptual wavelet packet coefficients and a custom thresholding function". In this paper, we showed how the student t distribution can be used to model the perceptual wavelet packet coefficients and how a proper thresholding based on that perform speech enhancement in an efficient way. Teager energy has been used to amplify the difference between the noisy and clean signal coefficients. ...
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treelet_webdemo
treelet webdemo for RNA data
Application to showcase RNA analysis tools using multidimensional processing via tree-wavelet. It encompasses the tree-generation, classification with a wrapper algorithm , and with an ensemble algorithm. Both specifically built for RNA data processing. -
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DjVuPlus
DjVu Read Documents,With OCR Technology(Arabic ,English ),Small Size
...The patents cover a particular aspect of the ZP-coder (the arithmetic coder used in DjVu and implemented in libdjvu/ZPCodec.cpp) and the background masking technique used in the IW44 wavelet encoder (implemented in libdjvu/IW44EncodeCodec.cpp). Most patents are owned by AT&T. LizardTech has very broad rights to them and grants free and permanent licenses to them for the purpose of building GPL software with the DjVu Reference Library. The grant is materialized by two paragraphs in the headers of the DjVu Reference Library source files. ... -
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cvastroalign
video align tool for astrophotography
cvastroalign is a program that loads a video sequence, aligns and stacks the selected frames obtaining an image as result of this process.. -
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C++ Win32 and LINUX Wavelet libraries. 1. MSVC++ DLLs 2 MinGW DLLs and static libraries. 3 LINUX shared and static libraries. Home : http://wavelet2d.sourceforge.net/
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wmtsa-python
Discrete wavelet methods for time series analysis using python
Several python libraries implement discrete wavelet transforms. However, none of them, or at least none that I know, is aimed at scientific use. This library aims at filling this gap, in particular considering discrete wavelet transform as described by Percival and Walden. This module started as translation of the wmtsa Matlab toolbox (http://www.atmos.washington.edu/~wmtsa/), so most naming conventions and most of the code structure follows their choices. -
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GPS Interactive Time Series Analysis
A software for processing and analyzing time series in Earth Science
Along with calculating basic statistics and quality parameters such as mean and variance, the soft-ware is capable of importing and visualizing different standard time series formats, determining and removing jumps and outliers, and makes numerical and publication quality graphical outputs. Bivariate statistical analysis (including correlation coefficient and linear regression) and time series analysis (including auto and cross-spectral analysis, wavelet power spectrum, spectrogram and periodicities) form the main analysis features of the software. -
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gspbox
The graph signal processing toolbox
The gspbox is the graph signal processing toolbox for matlab. This toolbox is based on spectral graph filtering techniques and work mainly for undirected graphs. Main features - Graph wavelet analysis / Synthesis - Filterbank analysis / Synthesis - Graph filter design - Graph reduction - Graph generation - Fast compuatation using Chebysheff polynomials -
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WaMoFi
Wa[velet] Mo[tif] Fi[nder]
WaMoFi: Is a method for finding protein motifs using the stored information from statistical contact potentials (aaindex) and the a representation by the continuous wavelet transform. Please use: R 3.1.0 and Matlab 2014 How to use: Just replace the directory and files In the head of the WaMoFi.m script. Then, run it in a matlab console. --dataset: your data set in a fasta file --labels: a file with the label/class per line --percTest: how much of the test will be used for finding the motifs?. ...
