Multimedia Tools and Applications

, Volume 76, Issue 22, pp 24477–24493 | Cite as

Recolorizing dark regions to enhance night surveillance video

  • Soumya T.Email author
  • Sabu M. Thampi


Security surveillance cameras are widely deployed to ensure secure banking, entertainment, and assisted living. Surveillance videos captured by these cameras are considered as forensic evidence for detecting crimes such as ATM robbery and vehicle theft. The videos captured under low lighting conditions are insufficient to identify a theft or robbery happened in the dark regions of a surveillance area. In this paper, we propose a recolorization based night video enhancement to increase the visual perception of surveillance videos. The day background illumination and tone adjusted night video frames are combined to reduce the darkness of the night video frame. Subsequently, chromatic colors of the day image regions are selected corresponding to the dark regions of night frame for the optimization based colorization by using white edge scribbles. The proposed algorithm significantly enhanced the perceptual quality of the video frames compared with existing algorithms. The no-reference based objective evaluation approaches are used for comparing and evaluating the performance of the proposed method with the existing methods. The experimental results indicated that the method improved the visual perception of the night surveillance video compared to the existing methods.


Night video surveillance Video enhancement Colorization No-Reference objective quality measure 



We would like to thank Center for Engineering Research and Development (CERD), College of Engineering Trivandrum for research facilities and Tao Yang for sharing databases.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.College of Engineering TrivandrumLBS Instiute of Science and TechnologolyThiruvananthapuramIndia
  2. 2.Indian Institute of Information Technology and Management-keralaThiruvananthapuramIndia

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