Video is an integral part of our everyday lives and in too many fields such as content-based video browsing, compression, video analysing, etc., Video has a complex structure that includes scene, shot, and frame. One of the fundamental techniques in content-based video browsing is key frame extraction. In general, to minimize redundancy the key frame should be representative of the video content. A video can be more than one keyframes. The utilization of key frame extraction method speeds up the framework by choosing fundamental frames and thereby removing additional computation on redundant frames. Key frame extraction significantly reduces the video processing overhead time and increase the throughput. In this paper different types of key frame extraction methods are compared with their advantages and disadvantages.

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