Cooccurrence filter property page
The MV Cooccurrence filter evaluates the Co-Occurrence matrix to calculate the contrast, energy, entropy and symmetry values from the current image.
| File: | Cooccurrence.ax |
| CLSID: | CLSID_MVCooccurrence |
Supported Interfaces
IMVFilterData
Supported COM Events
The filter supports following events through the IMVFilterEvents interface. Look at the filter events page for more information.
| Event |
Value |
Description |
| MV_ALGORITHM_START_EVENT |
0 |
A filter starts processing a video frame or sample. |
| MV_ALGORITHM_END_EVENT |
1 |
A filter finishes processing a video frame or sample. |
Supported I/O Pins
| I/O Pin | Corresponding method | Discription |
| Contrast [unsigned int 32] |
IMVCooccurrence::GetContrast | Contrast of the current image. |
MV Cooccurrence Property Page
Uses the IMVCooccurrence configuration interface.
Cooccurrence filter property page
| Use horizontal neighbour | Use the horizontal neighbour to create the co-occurrence matrix |
| Use vertical neighbour | Use the vertical neighbour to create the co-occurrence matrix |
| Use horizontal and vertical neighbour | Use the both neighbours to create the co-occurrence matrix |
| Update | Update the property page to get the current results |
| Divide results ... | Divide the results by the number of image pixels to normalize the results |
| Auto update | If checked, the results are updated continually |
| Contrast | Contrast value of the current image |
| Energy | Energy value of the current image |
| Entropy | Entropy value of the current image |
| Symmetry | Symmetry value of the current image |