Efficiency of Polar Codes in Providing Error Protection in Digital Watermarking 


Vol. 45,  No. 6, pp. 1083-1089, Jun.  2020
10.7840/kics.2020.45.6.1083


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  Abstract

Digital watermarking is mainly used for copyright protection. Steganography is the representative method of embedding data into the original data. This technique is a way of embedding additional data by modifying the original data only to the extent that it is difficult for a person to perceive. This technique is the key to hiding watermarking data. However, data can be easily damaged by compression or noise, and can be extracted by others. For this, data is strengthened by using error correction codes, and secured with encryption technique. In this paper, it is confirmed that the polar codes has additional security as well as error correction. And we made efforts to reduce the encoding process such as encryption. The frozen bits used in the polar codes are bits that the sender and the receiver have to make an appointment in advance and can affect the information bits. To test the information bits error rate, 128 information bits are coded at a code rate 1/2 using a polar codes. And each frozen bits make a situation where an error occurred. The error rate of the information bit is at least 12.5% and up to 53.125%. This shows it can replace the encryption process when the polar codes are used.

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  Cite this article

[IEEE Style]

S. H. Lee and S. Y. Shin, "Efficiency of Polar Codes in Providing Error Protection in Digital Watermarking," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 6, pp. 1083-1089, 2020. DOI: 10.7840/kics.2020.45.6.1083.

[ACM Style]

Seung Ho Lee and Soo Young Shin. 2020. Efficiency of Polar Codes in Providing Error Protection in Digital Watermarking. The Journal of Korean Institute of Communications and Information Sciences, 45, 6, (2020), 1083-1089. DOI: 10.7840/kics.2020.45.6.1083.

[KICS Style]

Seung Ho Lee and Soo Young Shin, "Efficiency of Polar Codes in Providing Error Protection in Digital Watermarking," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 6, pp. 1083-1089, 6. 2020. (https://doi.org/10.7840/kics.2020.45.6.1083)