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Video Coding: Comparison of Block Matching Techniques In Motion Estimation

Abu Bakar, Nurul Najahah (2004) Video Coding: Comparison of Block Matching Techniques In Motion Estimation. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This project is to investigate the advantages of using the various types of block matching methods as a type of motion estimation techniques compared to encoding each frame as a separate static image. As video is continuous media, it is important to maintain its quality and efficiency while compressing it. As the similarity of a frame and the next frame is great, it can be used as the advantage in video coding. This is because, the background of the image will usually stay the same and the only thing that will change is the moving object in that video. In order to achieve this, the author has to develop a program that can accommodate motion compensation and estimation by utilizing the computational for the motion estimation techniques, if applicable. The author will then have to run the program with some test video sequences to compare the performances of different block matching techniques for different types of video sequences. The major types of block matching techniques are Full (Exhaustive) Search, and a Fast Search (Three Step Search) has been chosen for this project. The author has also chosen to work on Quarter Common Intermediate Format (QCIF) video sequences. As the purpose of this project is to investigate the motion estimation technique, only the video frames will be considered and the sound of the actual video will be left out. Experimental results show that MMSE has a better PSNR value than MAD but consume more time and has higher complexity of operation. Block sizes and window sizes also have a significant effect on the predicted image. The Three Step Search has experiments has shown that it has a higher speed ratio as compared to Full Search, but with reduced quality.

Item Type: Final Year Project
Academic Subject : Academic Department - Electrical And Electronics - Pervasisve Systems - Digital Electronics - Microprocessor
Subject: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Engineering > Electrical and Electronic
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/7859

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