A study and analysis on block matching algorithms for motion estimation in video coding

In video coding system, block matching algorithms are used to identify the matching blocks in digital video sequence for motion estimation. Motion estimation is used to discover temporal redundancy in the digital video sequence. This paper shows the analysis of popular existing algorithms for motion estimation. The analysis is based on the number of search points/macroblocks and speed-up ratio. The endeavor of this revision is to present the successive researchers with some productive information in design of block matching algorithms.