Recovered Lenna with total of 76 bits per 8x8 block (mask 1)
Recovered Lenna with total of 175 bits per 8x8 block (mask 2)
Recovered Lenna with total of 282 bits per 8x8 block (mask 3)
Recovered Lenna with total of 313 bits per 8x8 block (mask 4)
Recovered Lenna with total of 549 bits per 8x8 block (mask 5)
To get an idea of what our quantized dct values are, here are a few pictures:
Lenna's quantized DCT with mask 3:
Lenna's quantized DCT with mask 5:
Lenna's Signal to Noise Ratio plot:
Recovered Camera Man with total of 175 bits per 8x8 block (mask 2)
Recovered Camera Man with total of 549 bits per 8x8 block (mask 5)
Camera Man's Signal to Noise Ratio plot:
Recovered Baby with total of 76 bits per 8x8 block (mask 1)
Recovered Baby with total of 549 bits per 8x8 block (mask 5)
Baby's Signal to Noise Ratio plot:
Recovered Bridge with total of 175 bits per 8x8 block (mask 2)
Recovered Bridge with total of 549 bits per 8x8 block (mask 5)
Bridge's Signal to Noise Ratio plot:
| Mask | MSE |
|---|---|
| 1 | 7.4371e+04 |
| 2 | 4.4614e+04 |
| 3 | 1.9184e+04 |
| 4 | 2.0406e+03 |
| 5 | 795.6290 |
Camera Man:
| Mask | MSE |
|---|---|
| 1 | 7.4418e+04 |
| 2 | 4.7508e+04 |
| 3 | 2.0456e+04 |
| 4 | 2.1181e+03 |
| 5 | 885.0852 |
Baby:
| Mask | MSE |
|---|---|
| 1 | 7.4550e+04 |
| 2 | 4.4728e+04 |
| 3 | 1.9295e+04 |
| 4 | 2.1492e+03 |
| 5 | 896.9520 |
Bridge:
| Mask | MSE |
|---|---|
| 1 | 7.4020e+04 |
| 2 | 3.9030e+04 |
| 3 | 1.6548e+04 |
| 4 | 1.8906e+03 |
| 5 | 731.2997 |
| Uncompressed | Gzip of uncompressed | Mask 2 | Gzip of Mask 2 | Mask 4 | Gzip of Mask 4 | Mask 5 | Gzip of Mask 5 |
|---|---|---|---|---|---|---|---|
| 65536 | 58889 | 22401 | 20565 | 40065 | 38353 | 70273 | 67768 |
* Note: For mask 5 we wanted to see what an image would look like with approximately the same number of bits, but with them reallocated.