• Title/Summary/Keyword: Wartermark

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Error Resilient Scheme in Video Data Transmission using Information Hiding (정보은닉을 이용한 동영상 데이터의 전송 오류 보정)

  • Bae, Chang-Seok;Choe, Yoon-Sik
    • The KIPS Transactions:PartB
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    • v.10B no.2
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    • pp.189-196
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    • 2003
  • This paper describes an error resilient video data transmission method using information hiding. In order to localize transmission errors in receiver, video encoder embeds one bit for a macro block during encoding process. Embedded information is detected during decoding process in the receiver, and the transmission errors can be localized by comparing the original embedding data. The localized transmission errors can be easily corrected, thus the degradation in a reconstructed image can be alleviated. Futhermore, the embedded information can be applied to protect intellectual property rights of the video data. Experimental results for 3 QCIF sized video sequenced composed of 150 frames respectively show that, while degradation in video streams in which the information is embedded is negligible, especially in a noisy channel, the average PSNR of reconstructed images can be improved about 5 dB by using embedded information. Also, intellectual property rights information can be effectively obtained from reconstructed images.