JIPS (한국정보처리학회)
Current Result Document : 5 / 5
| 한글제목(Korean Title) |
Hiding Secret Data in an Image Using Codeword Imitation |
| 영문제목(English Title) |
Hiding Secret Data in an Image Using Codeword Imitation |
| 저자(Author) |
Zhi-Hui Wang
Chin-Chen Chang
Pei-Yu Tsai
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| 원문수록처(Citation) |
VOL 06 NO. 04 PP. 0435 ~ 0452 (2010. 12) |
한글내용
(Korean Abstract) |
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영문내용
(English Abstract) |
This paper proposes a novel reversible data hiding scheme based on a Vector Quantization (VQ) codebook. The proposed scheme uses the principle component analysis (PCA) algorithm to sort the codebook and to find two similar codewords of an image block. According to the secret to be embedded and the difference between those two similar codewords, the original image block is transformed into a difference number table. Finally, this table is compressed by entropy coding and sent to the receiver. The experimental results demonstrate that the proposed scheme can achieve greater hiding capacity, about five bits per index, with an acceptable bit rate. At the receiver end, after the compressed code has been decoded, the image can be recovered to a VQ compressed image. |
| 키워드(Keyword) |
Data Hiding
Steganography
Vector Quantization
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| 파일첨부 |
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