Search Results for "wavelets"
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Showing 24 open source projects for "wavelets"
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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). Included lifting schemes are currently only for Haar and Daubechies (under development). ... -
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Image16
Image viewer/editor specialized in astrophotography 16bits processing
...RGB alignment/shifting. Erode, Dilate, ... Blurring (bilateral, threshold and chroma/luma). Unsharp Masking, Laplacian. Masked Undo. Curve Undo, LCE. CLAHE. SCNR. Wavelets decomposing and denoising. Lucy-Richardson and Wiener deconvolution. FFT contrasting/denoising. Uses Astrometry.net to platesolve images. Includes Bright Star Catalogue up to mag. 5 and Tycho 2 Catalogue up to mag. 12 allowing for Star B-V color data for color balancing plate solved images. Interfaces with ASCOM, G'MIC and Starnet++. ... -
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Aphantasia
CLIP + FFT/DWT/RGB = text to image/video
This is a collection of text-to-image tools, evolved from the artwork of the same name. Based on CLIP model and Lucent library, with FFT/DWT/RGB parameterizes (no-GAN generation). Illustrip (text-to-video with motion and depth) is added. DWT (wavelets) parameterization is added. Check also colabs below, with VQGAN and SIREN+FFM generators. Tested on Python 3.7 with PyTorch 1.7.1 or 1.8. Generating massive detailed textures, a la deepdream, fullHD/4K resolutions and above, various CLIP models (including multi-language from SBERT), continuous mode to process phrase lists (e.g. illustrating lyrics), pan/zoom motion with smooth interpolation. ... -
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GraceGTK
Draw curves, colored 2D maps with CAD capabilities
GraceGTK features: Import numerical data to draw curves or colored 2D maps with level contour lines Transform data (Fourier, wavelets), apply filters, fit curves Interactive GUI with CAD capabilities to add drawings Commands interpreter to automate work More details in Files/doc/GraceGTK.pdf file GraceGTK was forked from grace-5.1.22 in 2009. The enhanced commands interpreter has an ascending compatibility with old Grace scripts. -
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High Speed Parallel Imaging (HSPI)
HSPI does parallel capture and sky surveys.
HSPI offers to the astronomer the possibility to capture pictures from the CCD camera in a fast and intuitive way, keeping under control all the instrumentation in posses. HSPI can control the CCD camera, the mount, the focuser, the filter wheel and the dome from a single interface, and not only this: these features can be added on as many observatories and instrumentations you want. HSPI is ASCOM and INDI compatible, so if you want to use particular setups like Linux computers connected... -
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Traitement d'images Tim
Logiciel dédié de traitement d'images
...L'objectif est de proposer des modules de traitement dédiés aux différentes manipulations des images : - Luminance - Contraste - Saturation - Modification de la temperature des couleurs - Ajout ou suppression de couleurs - Filtres de convolution (flou, netteté, filtres passe bas, passe haut... - Masque flou - Wavelets - Alignement RVB -
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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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ZPAV (H265) is audio-visual codec protocol, very different from H264/MPEG4, ZPAV (H265) basic algorithm is wavelets, SPIHT, BSW, MMW, ......
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libdwt
a cross-platform discrete wavelet transform library implemented in C
libdwt is a cross-platform discrete wavelet transform library implemented in C language. The library implements fast wavelet transform algorithm using lifting scheme. Cohen-Daubechies-Feauveau wavelets with 4 vanishing moments were used. -
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KL1p
A portable C++ library for Compressed Sensing
KL1p is a portable C++ framework for handling sparse recovery of inverse problems of underdetermined linear systems, like in compressed sensing technique. -
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This is the code used in the experiments of the following paper: Xiaokui Xiao, Guozhang Wang, Johannes Gehrke: Differential Privacy via Wavelet Transforms. IEEE Trans. Knowl. Data Eng. 23(8): 1200-1214 (2011). Please cite the paper if you choose to use the code.
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ISAD
Individual Synaptic Activity Detection (ISAD)
...It computes synaptic signals from automatically segmented regions of interest and detects peaks that represent vesicle fusion events, thus, pre-synaptic activity. ISAD is based on MWA, which is a continuous wavelet transform based algorithm that employs multiple wavelets and is published as: Sokoll, S., Tönnies, K., and Heine, M. Detection of Spontaneous Vesicle Release at Individual Synapses Using Multiple Wavelets in a CWT-Based Algorithm. Med Image Comput Comput Assist Interv (MICCAI). 2012;15(Pt 1):165-72 ISAD is written in MATLAB and comes with a graphical user interface. -
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A MATLAB package for wavelet analysis of circadian rhythms with both discrete (Daubechies) and continuous (Morlet) wavelets, as well as tools for batch processing of multiple time series, all accessible through a graphical user interface.
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Dirac is a general-purpose video codec aimed at resolutions from QCIF (176x144) to HDTV (1920x1080) progressive or interlaced. It uses wavelets, motion compensation and arithmetic coding and aims to be competitive with other state of the art codecs.
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I thought up a new way to compress images using the fact that images are actually 2D. This technique is quite similar to wavelets. The code is for use in games so supports 1 bit alpha as well at the moment. More is planned. Come, use, help.
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Kicksey-winsey is an open source package for spectral fluid flow simulation using wavelets. It is provided as is and without any warranty that the results of the computations will be correct. Feedback on the forums would be very welcome !!
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DBV is a lossy video codec based on wavelets and MSPIHT algorithm. It consists of core library, Video for Windows driver and DirectShow filter.
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Biolet is project aimed to analyze genomic DNA sequences using wavelets. Of additional interest may be a batch processing tool for doing round-robin scheduling of jobs on a beowulf cluster. For that checkout the project robin from the CVS.
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Clean implementation (in ANSI-C) of the Wavelets Transform. It works fairy good as a sparser, which can be combined with a compression algorithm (by using programs like bzip and gzip) to achieve high compression ratios (as good as mp3's).
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A command-line tool for applying the continuous wavelet transform with respect to predefined wavelets to sampled data.
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An Java artificial intelligence platform comprising common AI tools (neural networks, genetic algorithms, wavelets, etc...) and examples. The platform focuses on ease of use and ease of integration..
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Wavelets At Work is a graphical tool (written in java) using wavelets in order to detect discontinuity of an input signal.
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Port of Numerical Python to Jython (Java Python) to support all mathematical operations (linear algebra, matrices, DSP, wavelets, FFT, arrays...) and thus compete with commercial packages such as Matlab. It can be easily embedded in Java programs.
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