Hiding data in JPEG using in-DQT technique
Steganography techniques are useful to convey hidden information using various types of typically-transmitted multimedia data as cover file to conceal communication. When using JPEG as a cover file, normally message is hidden in the AC values of quantized DCT coefficients. However, concealment of me...
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| Main Authors: | , |
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| Format: | Article |
| Published: |
Springer
2010
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| Subjects: | |
| Online Access: | http://link.springer.com/chapter/10.1007%2F978-3-642-13365-7_4# http://link.springer.com/chapter/10.1007%2F978-3-642-13365-7_4# http://eprints.uthm.edu.my/5689/1/06%2DISA_2010%2D_(Miyazaki%2C_Japan)_Hiding_Data_in_JPEG_using_in%2DDQT_Technique.PDF |
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| Summary: | Steganography techniques are useful to convey hidden information using various types of typically-transmitted multimedia data as cover file to conceal communication. When using JPEG as a cover file, normally message is hidden in the AC values of quantized DCT coefficients. However, concealment of message in quantization table is yet to be done. In this paper, a novel in-DQT technique for message hiding in JPEG’s quantization table using bytewise insertion is proposed. By using in-DQT technique on standard JPEG test images for cover files with up to 24 bytes of message, results show that steganography image with minimal acceptable image distortion. Thus, in-DQT technique provides alternative for embedding message in quantization table. |
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