video restoration

hi

I’m not sure if this possible in blender (but ikinda hope it is).
I’m restorating an old movie, collors have all gone bleu, and i managed to get collors back for a great deal.
But now i’m left with a part that bright yellow should be more white.
I need a filter (curve) that brings bright parts more close to white, but not change the rest.

Think i could do it in cycles nodes, or compositor, but my source isnt a render thing its an avi.
And movie edit, that doenst feedback in compositor.

Create a roto mask for the areas you need to correct and use it as a factor input for your yellow>white grading operation. You can import your video clip to compositor with Input > Image node.