Motion Estimation Algorithms for Baseline Profile of H.264 Video Codec
Journal Title: INTERNATIONAL JOURNAL OF ENGINEERING TRENDS AND TECHNOLOGY - Year 2013, Vol 4, Issue 4
Abstract
The H.264 video compression standard is the most efficient video compression techniques available today. H.264 encoder can reduce the size of a digital video file by more than 80% compared with the Motion JPEG format and as much as 50% more than with the MPEG-4 Part 2 standard, thus ensuring less network bandwidth and storage space. H.264 supports video compression through motion estimation. Various algorithms have been developed for the process of motion estimation and to meet the requirement of better compression quality and less computational time. The block matching algorithms (BMA) are the simplest method to obtain motion vectors. Full Search (FS) is an optimal search algorithm, but it suffers from high computational time. Motivated by the need for fast and accurate motion estimation, we present sub-optimal and adaptive search techniques for motion estimation, which have good motion estimation time (MET) with fewer number of search points and have almost similar compression quality as that of the full search technique
Authors and Affiliations
Dharmendra Jha#1 , Fremin Kannampuzha#2 , Justin Joseph#3 , Stevew Possa#4 , Dr. Deepak Jayaswal*5 , Santosh Chapaneri+6
Keywords
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