Self-authentication watermark by digital halftoning

Su, Chao-Ting; Wang, Hsi-Chun

doi:10.1109/ccst.2015.7389709

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Tamper Detection1

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2016

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(2 citation statements)

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“…Previous research has not focused on watermarking methods [2][3][4][5][6][7][8][9][10][11][12] for a car video recorder. Digital watermarking can be used to protect video frames in a car video.…”

Section: Tamper Detectionmentioning

confidence: 99%

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Secure protection of video recorder video in smart car

Kim

Shin

Yang

2016

International Journal of Distributed Sensor Networks

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Many automobile drivers have come to believe that installation of video recording equipment in a car is essential to providing evidence in case of a car accident and to facilitate reporting to police. Thus, it is important to develop an in-vehicle video recorder with high resolution to document accidents. To provide such video quality, the H.264 video format, which offers high compression and good quality, has been used for an in-vehicle video recorder. However, due to problems with fabricated evidence of digital records, we propose a new watermark method to authenticate in-vehicle video. This watermarking scheme authenticates and protects in-vehicle video. The proposed scheme manipulates the quantization table of the I-frames in car surveillance videos and embeds watermarks in the I-frames. Experimental verification was done to confirm the authentication and tamper detection of the proposed watermark image method for in-vehicle video.

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Section: Tamper Detectionmentioning

confidence: 99%

“…1 Counterfeit video scenes from a car accident can lead to erroneous conclusions. Therefore, to address this issue, we investigated the authentication 2 and tamper detection 3 methods for videos produced by an in-vehicle video recorder.…”

Section: Introductionmentioning

confidence: 99%