An Explanation of Video Compression Techniques

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Executive Summary

JPEG, Motion JPEG and MPEG are three well-used acronyms used to describe different types of image compression format. But what do they mean, and why are they so relevant to today's rapidly expanding surveillance market? This White Paper describes the differences, and aims to provide a few answers as to why they are so important and for which surveillance applications they are suitable. With most surveillance applications infrequently having to share the network with other data intensive applications, this is very rarely the bandwidth available. To circumvent this problem, a series of techniques called picture and video compression techniques have been derived to reduce this high bit-rate. Their ability to perform this task is quantified by the compression ratio.

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