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Selectively Lighten Area

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louis shulaSelectively Lighten Area
by on Dec 21, 2011 at 11:34:00 am

Hi Everyone,

I have a clip I need to fix which I could do with advice on.

Is there a way to selectively lighten part of a moving object?

What makes it more difficult is that the object I want to lighten is shot against a light black background which I need to make pure black.

I have done this by increasing the contrast of the clip. But this has had the result of darkening the object too much in places.

I have tried playing around with the colour settings in Premiere and I have tried painstakingly masking out the background in After Effects but nothing has really worked satisfactorily.

Does anyone have any suggestions?

Many thanks!

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Dave LaRondeRe: Selectively Lighten Area
by on Dec 21, 2011 at 4:11:09 pm

It sounds as it you need to isolate the subject from the background, then adjust the levels of both.

To isolate the subject, you might look at AE's Rotobrush.

BE WARNED: you can NOT use this tool intuitively! You absolutely MUST read up on using it, look at tutorials, etc. Failure to do so results in... well, failure.

There is good information on the Adobe web site about this. Open AE's online Help, and do a search using the term Rotobrush. You'll find links to everything you need to get started.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA

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louis shulaRe: Selectively Lighten Area
by on Dec 21, 2011 at 9:35:43 pm

Thanks a lot Dave

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