Computer Science ›› 2017, Vol. 44 ›› Issue (2): 290-295.doi: 10.11896/j.issn.1002-137X.2017.02.049

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Low Complexity Scene Change Detection Algorithm for Supporting Resolution Dynamic Change

FANG Hong-jun, SONG Li and YANG Xiao-kang   

  • Online:2018-11-13 Published:2018-11-13

Abstract: In digital video post processing of TV system,many video detection and enhancement IP blocks need refer temporal information between frames.For cutting off the temporal relationship when content scene change happens,an optimum design of scene change detector was proposed in this paper.According to the network TV dynamically changes the video resolutions based on the quality of network service,the design adopts an optimum method based on histogram distribution detection combined with dynamic weighting.The simulation results show that the design has improved the detection accuracy compares to the common design which is based on the average intensity level.And it improves the detection’s reliability and stability for low IRE scenes and resolution dynamic change case of network TV programs.

Key words: Digital television,Histogram,Scene change,Video enhancement

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