Research Article
An Image Steganography Method Hiding Secret Data into Coefficients of Integer Wavelet Transform Using Pixel Value Differencing Approach
Table 1
Comparison of hiding capacity (in bytes).
| Cover image | PVD method [1] | TPVD method [3] | Gulve’s method [4] | Proposed method | Capacity | PSNR | Capacity | PSNR | Capacity | PSNR | Capacity | PSNR |
| Lena | 50960 | 41.79 | 75836 | 38.89 | 81305 | 42.86 | 81326 | 39.84 | Baboon | 56291 | 37.90 | 82407 | 33.93 | 81766 | 41.99 | 82933 | 39.62 | Peppers | 50685 | 41.73 | 75579 | 38.50 | 81326 | 42.80 | 81387 | 40.29 |
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