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Figure 3.

Figure 4.

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Figure 6.

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Figure 8.

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Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Quantitative comparison across payloads_
| Method | Payload (approx. bpp) | PSNR (dB) mean | PSNR (dB) std | NC mean | NC std |
|---|---|---|---|---|---|
| Proposed (AI DWT-SVD QIM) | 0.1 | 59.19644696 | 0.914029476 | 0.7 | 0.06 |
| Baseline (Fixed DWT-SVD) | 0.1 | 65.61027698 | 0.904630807 | 0.79 | 0.05 |
| Baseline (Spatial LSB) | 0.1 | 57.75045256 | 0.153452569 | 1 | 0 |
| Proposed (AI DWT-SVD QIM) | 0.2 | 59.71848255 | 1.088280969 | 0.70 | 0.08 |
| Baseline (Fixed DWT-SVD) | 0.2 | 65.75551768 | 0.859072287 | 0.75 | 0.10 |
| Baseline (Spatial LSB) | 0.2 | 56.8748167 | 0.12409714 | 1 | 0 |
| Proposed (AI DWT-SVD QIM) | 0.3 | 58.94400964 | 0.566933712 | 0.66 | 0.06 |
| Baseline (Fixed DWT-SVD) | 0.3 | 65.26512364 | 0.833571755 | 0.75 | 0.08 |
| Baseline (Spatial LSB) | 0.3 | 55.97975021 | 0.14394179 | 1 | 0 |
Mapping the ciphertext point with DNA nucleotide_
| 0-CCA | 1-GTT | 2-TTG | 3-GGT | 4-TTT | 5-TCG | 6-CGC | 7-ATG | 8-AGT | 9-CGA |
Time taken for processing the operation_
| S. No. | Operation | Processing Time (ms) |
|---|---|---|
| 1. | ECC Encryption | 590 |
| 2. | ECC Decryption | 452 |
| 3. | DNA Mapping | 55 |
| 4. | Binary Mapping | 45 |
| 5. | SVD Embedding | 144 |
| 6. | DWT Compression | 159 |
Comparison of embedding capacity_
| S. No | Cover Video | LSB-Based Steganography Method | Proposed Steganography Method |
|---|---|---|---|
| 1 | Test Video 1 | 12034 | 28732 |
| 2 | Test Video 2 | 74543 | 80223 |
| 3 | Test Video 3 | 84543 | 104532 |
| 4 | Test Video 4 | 90453 | 123453 |
Elliptic curve points for E : y2 mod 43 = (x3 + x + 1) mod 43_
| (2, 21) | (2, 22) | (3, 17) | (3, 26) |
| (11, 15) | (11, 28) | (12, 8) | (12, 35) |
| (20, 18) | (20, 25) | (21, 9) | (21, 34) |
| (26, 4) | (26, 39) | (27, 19) | (27, 24) |
| (29, 9) | (29, 34) | (31, 14) | (31, 29) |
| (32,11) | (32, 32) | (33, 18) | (33, 25) |
| (35, 13) | (35, 30) | (36, 9) | (36, 34) |
| (38, 43) | (40, 10) | (40, 33) | (43, 1) |
| (43,42) |
Comparison of peak signal to noise ratio (PSNR in dB)_
| S. No | Cover Video | LSB-Based Steganography Method | Proposed Hybrid Video Steganography Method |
|---|---|---|---|
| 1 | Test Video 1 | 45.34 | 59.76 |
| 2 | Test Video 2 | 48.74 | 55.78 |
| 3 | Test Video 3 | 49.23 | 60.15 |
| 4 | Test Video 4 | 40.98 | 66.97 |
Mapping the DNA nucleotide with binary digits_
| A - 00 | C - 01 | G - 10 | T - 11 |
Comparison of MSE values_
| S. No | Test Video | LSB-Based Steganography Method | Proposed Hybrid Video Steganography Method |
|---|---|---|---|
| 1 | Test Video 1 | 0.04657 | 0.03456 |
| 2 | Test Video 2 | 0.04456 | 0.030345 |
| 3 | Test Video 3 | 0.04103 | 0.029023 |
| 4 | Test Video 4 | 0.03998 | 0.028989 |