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Fix Brightness Shift for Objects on White Background
Hi there,
I have a clip of some subjects on a white background.
Camera is Nikon D800E, on tripod, static, Mode set to M, Manual autofocus, WB daylight, ISO 200. Recording is in DNxHD on Atomos Ninjia 2. Scene is illuminated with daylight fluorecent bulbs trough diffusing sheets.
Well, the problem is that depending on the number of objects on the scene the brightness of the objects is changing:
– with few objects (lots of white) the objects looks like “washed”
– adding more and more object in the scene (less white) their colors improve significantly.
– made a test, filling the scene with many objects (no more white background) their color is matching the real thing.Any idea how to fix this in Adobe Premiere CC??
Thanks,
Antonio
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2 Replies
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The following is a manual solution. Others might suggest an automated approach.
Switch the monitor panel to the YC Scope or All Scopes. Scrub through the footage and check whether the levels change noticeably. If so, place a keyframe on a frame the looks good. Apply Luma Corrector, Fast Color Corrector, or equivalent effect and place keyframes at different points to adjust the white, black, and gamma/grey levels so that the Y curve approximates the good frame throughout the clip.
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Thanks for your reply Ivan!
I will try to do what you suggested.
Cheers,
Antonio
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