Removing Flicker

You can also use the CurveTool to stabilize flickering in your footage. To do this:

1.

Connect a CurveTool node to your footage.

2.

In the Curve Type dropdown, select Avg Intensities.

3.

If necessary, select the channels you want analyzed in the channels controls, and adjust the region of interest (ROI) box in the Viewer to cover your analysis area.

4.

When you’re ready, click Go! and specify a frame range in the Frames to Execute dialog that opens. CurveTool analyzes your footage, and the resulting values appear on the IntensityData tab.

5.

Create a Grade node (Color > Grade) and connect it to your footage.

6.

From the CurveTool’s IntensityData tab, Ctrl/Cmd+drag the analysis result to the multiply field in the Grade node controls.

7.

Right-click on the multiply field, and select Edit expression, or press the equals (=) button with the field selected.

8.

In the dialog that appears, add 1/ in front of the Expression field entry. This inverts the brightness values detected by the CurveTool node, and enables the Grade tool to stabilize brightness changes causing flickering in your footage.