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Location Information Hiding Way Of HD Black Box Recording process  

Seok, Jin-Hwan (Dept. of Broadcasting Media Engineering, Kangwon National University)
Yoon, Jong-Chul (Dept. of Broadcasting Media Engineering, Kangwon National University)
Hong, Jong-Sung (Dept. of Broadcasting Media Engineering, Kangwon National University)
Han, Chan-Ho (Dept. of Broadcasting Media Engineering, Kangwon National University)
Publication Information
Journal of the Institute of Convergence Signal Processing / v.17, no.1, 2016 , pp. 10-17 More about this Journal
Abstract
GPS location information storage included in the HD black box is using a unique manner for each manufacturer does not have a specific standard. In this paper, in order to overcome the limitations of the storage space and thereby the image quality according to store GPS position information deteriorate to solve the problems that cause, we propose the location information concealment method included in the HDTV video content using a essential hidden region. HDTV video content is a Border Extender of 8 lines in the frame to the bottom of the compression will be required. This was inserted into the image of a gray scale used in block form in order to space the current position information is concealed to prevent image degradation. The proposed method was confirmed using real HD black box, there are more difficult to interpret the format of the ASCII code re-edit the location information when the compression effect disappears with the existing security zones added. Therefore, the proposed method is suitable for location-based services, such as Facebook or Youtube videos.
Keywords
HD Black Box; Geographic Information System; Border Extender; Essential hidden region; Block Based Information;
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