Table 2.
The average confusion matrices for the KNN algorithm
|
PC scores |
Classified as |
|
|
|
|
|
|
|
|---|---|---|---|---|---|---|---|---|
| True tissue | Cancellous Bone | Cortical Bone | Fat | Mucosa | Muscle | Nerve | S. Gland | Skin |
| Cancellous Bone |
0.94 |
0.01 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.04 |
| Cortical Bone |
0.04 |
0.69 |
0.05 |
0.00 |
0.03 |
0.06 |
0.11 |
0.02 |
| Fat |
0.00 |
0.02 |
0.71 |
0.01 |
0.00 |
0.01 |
0.25 |
0.00 |
| Mucosa |
0.00 |
0.00 |
0.02 |
0.86 |
0.00 |
0.09 |
0.01 |
0.01 |
| Muscle |
0.00 |
0.00 |
0.00 |
0.00 |
1.00 |
0.00 |
0.00 |
0.00 |
| Nerve |
0.00 |
0.03 |
0.00 |
0.04 |
0.00 |
0.85 |
0.05 |
0.02 |
| S.Gland |
0.00 |
0.06 |
0.20 |
0.00 |
0.01 |
0.07 |
0.65 |
0.01 |
| Skin |
0.04 |
0.00 |
0.00 |
0.01 |
0.00 |
0.01 |
0.00 |
0.93 |
|
Spectra |
Classified as |
|
|
|
|
|
|
|
|
True tissue |
Cancellous Bone |
Cortical Bone |
Fat |
Mucosa |
Muscle |
Nerve |
S.Gland |
Skin |
| Cancellous Bone |
0.95 |
0.01 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.03 |
| Cortical Bone |
0.04 |
0.71 |
0.04 |
0.00 |
0.02 |
0.06 |
0.11 |
0.01 |
| Fat |
0.00 |
0.02 |
0.78 |
0.01 |
0.00 |
0.01 |
0.19 |
0.00 |
| Mucosa |
0.00 |
0.00 |
0.02 |
0.87 |
0.00 |
0.09 |
0.02 |
0.01 |
| Muscle |
0.00 |
0.00 |
0.00 |
0.00 |
1.00 |
0.00 |
0.00 |
0.00 |
| Nerve |
0.00 |
0.03 |
0.00 |
0.04 |
0.00 |
0.86 |
0.05 |
0.02 |
| S.Gland |
0.00 |
0.07 |
0.13 |
0.00 |
0.01 |
0.07 |
0.72 |
0.01 |
| Skin | 0.04 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.94 |