Search Results for "compression algorithm" - Page 3
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Showing 100 open source projects for "compression algorithm"
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intzip
Fast compression of integer sets.
...The main focus of the algorithm is to encode structural characteristics of a given list, such as coherent intervals and repeated distances. Therefore, the quality of compression depends on diversity rather than size. In most cases, IntZip is able to achieve much better compression results than general compression algorithms on such data sets. -
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COMRAD-MPI
Compression of Large Genomic Datasets using Parallel Computing
COMRAD-MPI is a parallel computing algorithm for reducing the computational time for compressing the large genomic data sets based on COMRAD algorithm. It captures the long range repeat redundancies in large genomes there by providing a way to compress the large DNA data set. Three stages- Substitution, Clean up and Huffman encoding have been parallelized using message passing library. -
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Text Zip
This software zips and unzips a text file
This software zips and unzips a .txt file, using the Huffman encoding algorithm and the list and tree data structures. The result files are named zippedFile.txt and unzippedFile.txt and can be found at the same directory as the Text Zip executable file. -
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backdup
BackDup is a Duplicity front-end for MacOS and Linux
BackDup is a Duplicity (http://duplicity.nongnu.org/) front-end for MacOS and Linux written in Java. Duplicity creates bandwidth-efficient backup using the rsync algorithm. Mac OS users: please install Duplicity via macports (https://www.macports.org/) Linux users: install Duplicity via your package manager as usual. -
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FTF Library - C# / WPF
Flexible Tagged Format Library - C# / WPF version
Flexible Tagged Format (FTF) is a completely flexible storage format using human readable tags, and potentially support storing any type of data. This is the C# / WPF version. -
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Flexible Tagged Format (FTF) Library
Flexible Tagged Format (FTF) Library
Flexible Tagged Format (FTF) is a completely flexible storage format using human readable tags, and potentially support storing any type of data. -
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LZWStream
The LZW algorithm in C#
Implementation of the LZW algorithm in C#, adhering to the built-in System.IO.Compression. The algorithm and code is much improved, compared to projects like SharpLZW. The LZW algorithm is for arbitrary lossless data compression and are noticeable for simplicity and low (compared to others) memory consumption. Making it interesting for eg. embedded use. -
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Encryption with symmetric-key algorithm Kirmah - generate keys with exotic chars - redefine key length - key mark to ensure decryption capabilities - mix data - fast with multiprocessing - possible compression - gui on gtk3 - cli tool - python3 DEPENDENCIES : ======== python3, python-gobject, gobject-introspection, pygtk 3 modes are available to encrypt : ======== - compression (full / disabled or only final step) - random (simulate a random order - based on crypted key - to randomize data) - mix (mix data according to a generated map - based on crypted key - with addition of noise) Process is as follow : ======== encrypt : file > [ compress > ] encrypt > [randomiz data > mix data > compress > ] file.kmh decrypt: file.kmh > [ uncompress > unmix data > unrandomiz data] > decrypt > [uncompress > ] file ======== for encrypt/decrypt large binary files, use the fastest alternative : split/merge
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FLAC Decoder/Encoder
Hardware FLAC Encoder / Decoder
FLAC (Free Lossless Audio Codec) is a Codec for Lossless Compression of digital audio. Digital audio compressed by FLAC's algorithm can typically be reduced to 50–60% of its original size and decompressed to an identical copy of the original audio data. FLAC is an open format with royalty-free licensing and a reference implementation which is free software. This project is High Performance, Low Power and High Quality FLAC Encoder and Decoder on HDL Code for FPGAs or ASICs synthesis. -
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SilentEye is a cross-platform application design for an easy use of steganography. It provides a pretty nice interface and an easy integration of new steganography algorithm and cryptography process.
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DNAcompact
Genome compression algorithm with/without reference (Linux/Windows)
As the technique of acquiring genome sequences advances, the storage and data transferring of large genome data are becoming important concerns for biomedical researchers. We propose a two pass genome compression algorithm, which highlights the synthesis of complementary contextual models and the introduction of logistic regression mixture method, to improve the compression performance. The proposed framework handles genome compression with and without reference seque- nces, and demonstrated performance advantage over the best existing algorithms. ... -
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The utility sfxcompress is a bash script used to pack and encrypt the current directory on a self-extracting file. It also includes the calculation of the MD5 function to check if the compressed file is correct.
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QualComp
Lossy Compression algorithm for Quality Scores
QualComp is a lossy compression algorithm for the quality scores presented in a FASTQ file. -
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jsonpack
A compression algorithm for JSON
See https://github.com/sapienlab/jsonpack -
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Parallel DPCM
C# Parallel implementation of DPCM alogrithm
An implementation of the DPCM algorithm for compressing and decompressing an avi video file. It shows the compression size, as it is saved in a txt file near the avi original file. The decompression results in another avi file, saved near the original file. If the width and height of the frames aren't a multiple of 16, they are completed with black pixels. The pixel macroblocks of 16x16 are generated on separate threads for each frame and they are replaced on frames at decompression sequentially. ... -
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texgenpack
Texture compression and conversion program with KTX and DDS support.
texgenpack is a texture compression and conversion program featuring a command line utility and a simple GUI program . Compression is implemented using a genetic algorithm. It supports compression, decompression, conversion and comparison of texture and image files. The image format supported is PNG, while for textures there is support for KTX, PKM and DDS using ETC1, ETC2, DXT1/3/5 or BPTC (BC7) texture compression. -
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libfgen
Library for optimization using a genetic algorithm or particle swarms
libfgen is a library that implements an efficient and customizable genetic algorithm (GA). It also provides particle swarm optimization (PSO) functionality and an interface for real-valued function minimization or model fitting. It is written in C, but can also be compiled with a C++ compiler. Both Linux and Windows are supported. -
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SimpleLZW
An file compression/decompression tool using LZW algorithm
This is an implementation of LZW algorithm for compress/decompress files. It easy to use. type ./lzw -h to see more help. -
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CFTP is a tool that is dedicated transmission speed, it can break through LAN bandwidth limitations, and the actual data transfer rate can be over the bandwidth. In the Gigabit Ethernet, the actual data transfer rate of CFTP is up to 1600Mbps...
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Peters Backup is a program for backing up your important data files on to diskette, zip drive, fixed disk or CD/RW. It uses an extremely efficient compression algorithm. It keeps track of all versions of your files in full and incremental backups.
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A simple but fairly optimized implementation of LZW compression algorithm. Designed on Windows (vs2010 project included), but since it has a command line interface and doesn't use MS-specific features, it should be cross-platform.
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ClassLibrary for encoding and decoding files using LZW compression algorithm. The base for the compression is the default ANSI table.
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The RLE compression pack is a set of utilities to compress and decompress files using RLE algorithm.
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A lossless audio codec that switches between predicive audio compressors block wise on the fly, always choosing the one with the best compression rate. It will be designed for near to optimum compression rate, and not consider coding/decoding speed.
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CrunchMe is a JavaScript compression tool. It compresses JavaScript source code to a self-extracting program using an LZ algorithm, achieving quite good compression ratios.
