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Key Frame Extraction Based on Block based Histogram Difference and Edge Matching Rate Patel Kintu Oriental Institute of Science & Technology, Bhopal, Madhya Pradesh, India. Kintu125@gmail.com Online published on 4 November, 2017. Abstract This paper presents a new approach for key frame extraction based on the block based Histogram difference and edge matching rate. Firstly, the Histogram difference of every frame is calculated, and then the edges of the candidate key frames are extracted by Prewitt operator. At last, the paper makes the edges of adjacent frames match. If the edge matching rate is up to 50%, the current frame is deemed to the redundant key frame and should be discarded. The experimental results show that the method proposed in this paper is accurate and effective for key frame extraction, and the extracted key frames can be a good representative of the main content of the given video. Top Keywords Block based Histogram Difference, edge matching rate, key frame extraction, Threshold Point. Top | |
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