- 期刊
A Steganographic Method Based on DCT and New Quantization Technique
並列摘要
In this paper, an efficient data hiding technique based on the discrete cosine transform (DCT) of image is proposed. In this technique, the DCT coefficient is quantized using a predefined mathematical operation then the secret bits are embedded in all frequency component of the quantized DCT coefficient using least significant-bit (LSB) to enable a large message capacity. A comparison between the proposed method and other existing methods is introduced. The results demonstrated that the performance of the proposed method is satisfied compared to them.
被引用紀錄
Ngoc, H. T. B. (2012). 從顧客觀點探究行動巿場供應鏈 [master's thesis, National Formosa University]. Airiti Library. https://doi.org/10.6827/NFU.2012.00192
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