Research Article
A Framework of Secured Embedding Scheme Using Vector Discrete Wavelet Transformation and Lagrange Interpolation
Table 3
Comparison of the proposed and existing approaches.
| Embedding techniques | Cover image | Payload | Average PSNR |
| Proposed method using VDWT | Extracted skin tone region | Handwritten document and logo | 52.0325 (image 1 to image 4) | Horizontal band of DWT [23] | Standard database image like garden and house images | Ordinary image like cups and rose images | 50.25 | LSB method [24] | Standard image like cameraman image | Digital data | 46.23 | DCT-based method (hiding in LSB) [10] | Flower image | Text message | 42 | LSB with edge detection [11] | Edge-detected standard database image like Leena and Baboon image | Information as bit | 37 to 43 | LSB method [12] | Standard database image like Leena and Baboon image | Information as bit | 47.23 |
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