Table II.
Classification results of the hierarchical network (‘combinet’) on FT-IR microspectroscopic imaging data obtained from a cryosection through a human colorectal adenocarcinoma (B4205/94)
| Class name | Colour code | # of spectra | Percentage [%] | Mean activation | |
|---|---|---|---|---|---|
| Ia | Crypts | Salmon | 116 | 0.3 | 0.97 |
| Ib | Mucin | Dark green | 3313 | 8.62 | 1.00 |
| IIa | Necrosis | Aqua | 4567 | 11.89 | 0.98 |
| IIb | Lamina propria mucosae | Light yellow | 6189 | 16.11 | 0.98 |
| IIc | Lymphocytes | Green yellow | 201 | 0.52 | 0.90 |
| IIIa | Tunica muscularis | Orange | 73 | 0.19 | 0.91 |
| IIIb | Lamina muscularis mucosae | Olive | 3012 | 7.84 | 0.99 |
| IIIc | Vessel (blood, lymph) | Deep pink | 132 | 0.34 | 0.82 |
| IVa | Submucosa | Blue | 1 | 0 | 0.01 |
| IVb | Fibrovascular connective tissue | Gold | 11 323 | 29.48 | 1.00 |
| V | Adenocarcinoma | Red | 9485 | 24.69 | 0.73 |
| VI | Fat tissue | Beige | 0 | 0 | — |
| Unclassified spectra | Black | 0 | 0 | — |
The corresponding IR image is given in Figure 4B. Colour encoding in this figure was made according to the table content of columns 2 and 3.