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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.




Related Projects

Dirac-grid - DIRAC Distributed Computing (Grid) System

The DIRAC project provides a generic framework for building grid computing systems. It is compliant with the grid security standards and has the necessary components for workload and data management in distributed computing environments. Its modular architecture allows easy customization of the system for specific user communities. The whole DIRAC functionality is conveniently accessible through a secure Web Portal by administrators and users. DIRAC is used by the LHCb experiment at CERN for ope

Openket - Sage/Sympy library for symbolic algebra in quantum computation and quantum optics.

OpenKet is a library that lets you perform operations in quantum computation and quantum optics using Dirac's notation. It is written in Python and can be run inside the computational algebra system Sage. OpenKet can handle and evaluate expressions that contain objects such as kets, bras, operators, dual operators and creation/annihilation operators, and can perform various operations, such as adding, substracting, multiplying by a scalar, obtaining the hermitian conjugate, applying operators, p

Diraccodecpoli - Desenvolvimento de uma ferramenta didática de compressão de vídeo utilizando o c

Desenvolvimento de um codec como trabalho de formatura pela Escola Politécnica da USP, orientado pelo Professor Guido Stolfi. O projeto visa a criação de uma ferramenta didática para a apresentação em aulas ligadas a compressão de imagens, como o caso de Princípios de TV digital. O projeto será baseado na proposta desenvolvida pela BBC, em particular no dirac-research. Será adotada como linguagem de desenvolvimento o C# 3.5.

Dirac codec user interface

A user interface to facilitate the usage and analisys of Dirac generated informations. There are many changes to the compilers code and the focus of this project is provide a didatic project for teaching and learnig about digital codification

Sympy - Python library for symbolic mathematics

SymPy is an open source Python library for symbolic mathematics. It aims to become a full-featured computer algebra system (CAS) while keeping the code as simple as possible in order to be comprehensible and easily extensible. SymPy is written entirely in Python and does not require any external libraries. Main page is at: http://sympy.org/ This page is for developers. NewsSymPy is participating in Google Summer of Code 2012. See our ideas page. 29 Jul 2011 Version 0.7.1 released (https://github

Groovylab - groovy classes for math engineering

GroovyLab: Groovy classes for math engineeringGroovyLab is a collection of Groovy classes to provide matlab-like syntax and basic features (linear algebra, 2D/3D plots). It is based on jmathplot and jmatharray libs: Matrix class Plot class Example Groovy codeBasically, it allows to create scripts with matlab-like syntax for Matrices and plots: import static org.math.array.Matrix.*import static org.math.plot.Plot.* def A = rand(10,3) \t\t// random Matrix of 10 rows and 3 columnsdef B = fill(10,3,

Google-summer-of-code-2007-bbc - Code samples from students working with BBC Research for Google Sum

The BBC exists to enrich people’s lives with great programmes and service that inform, educate and entertain. Its vision is to be the most creative, trusted organisation in the world. We're looking for people not only interested in the cutting edge of the distribution of television programmes over the internet to our audience, but also component technologies encouraging reuse, and collaborative system, specifically interested in using our Kamaelia (mainly python) & Dirac (mainly C++) open sour