I. Introduction
Demand for video applications has increased rapidly with the advancement of applications such as video telephony, video conferencing, online stream video, mobile streaming, TV, 24 hours surveillance system and many more. Bandwidth and storage space are the critical factors to determine the efficiency of video communication. For instant highest percentage of internet traffic jam is caused due to video streaming. In order to achieve efficient video streaming, the existing video coding standards are improved and new video compression techniques are introduced by the researchers in the field of video compression.