1. 1 TiVi70 – Skin Colour Tracker Welcome to the presentation of

2. 2 Load a photo and draw a Region of Interest (ROI) over an area representative for the actual colours to be tracked.

3. 3 Click the Zoom In button to display the area within the ROI. The colours at the lower right corner are not representative for scaling tissue. Click Select COI to get to the Colours of Interest page.

4. 4 The Select COI page displays the ROI and the associated distributions for the red, green and blue colours.

5. 5 Adjust the lower threshold values for the red, green and blue distributions to cut off the lower values of the distributions (marked as green area in the ROI). Click the Apply button to return to the Main window.

6. 6 Click the Zoom Out button and check the COI button to display areas with the selected Colours of Interest. Click the Library button to open the Library Page.

7. 7 Load a sequence of photos captured at different points in time. Click the COI button to display areas with Colours of Interest.

8. 8 Open the Trend Monitor to display the increasing extent of areas with selected Colours of Interest.