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Automn 2006

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I gathered my assignments for multimedia course. These assignments are about: Working on audio signals (sampling, quantization, compression), image (enhancement, compression), video (formats, compression). The following table lists each assignment, its solutions, and a description about its content.

Problem theory and definition Solution Description
Audio Digitizing and Sampling
RAR
Learn how to (up/down) sample an audio signal and filter it
Audio Compression
RAR
Write and use uniform, u-law, DM, ADM quantization methods
Image Processing Tools
RAR
Learn image resizing techniques and how to use and resize images in MATLAB
Image Compression
RAR
Learn how JPEG works and write a simple implementation of its blocks and RLC coding
Video, Analog to Digital
RAR
Get familiar with video formats and use color spaces in MATLAB
Video Compression
RAR
Implement a simple motion estimation/compensation blocks and use it with other video compression components
Audio/Video Conference
RAR
Get familiar with a audio/video conference system
Color Spaces
RAR
Learn about color spaces and how to transform from a space to another

Screenshots:

Motion Vector

YCbCr

ADM

 
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Masoud Moshref Javadi © 2007