Much of the data that we transmit during video coding is the information on how objects have moved from one frame to the next. If we have a frame of the video and we can inform the decoder on how objects in this frame move to make up the new frame, most of the work of transmitting the next frame is done. Taking advantage of the temporal correlation is immensely important from the point of view of compression. From this point of view, the “only” new technique introduced in this chapter is a strategy to take advantage of this temporal correlation. Video compression can be viewed as image compression with a temporal component since video consists of a time sequence of images. Khalid Sayood, in Introduction to Data Compression (Fifth Edition), 2018 19.1 Overview
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