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Lighting problem. How do you fix bad lighting in film footage??

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Scott Johnson
Lighting problem. How do you fix bad lighting in film footage??
on Jun 3, 2014 at 2:57:04 pm
Last Edited By Scott Johnson on Jun 3, 2014 at 3:00:09 pm



Look at this photo for example:

http://3.bp.blogspot.com/_98-vwLlnfhk/S7uNwY-UrSI/AAAAAAAAA-k/yYXj7pCj1Ns/s...
http://www.makeupsavvy.co.uk/2010/04/first-fotd.html

How easy is it to fix the lighting here if it was footage? I have a similar problem. Thanks.

http://ytkidsvids.tumblr.com/


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George Goodman
Re: Lighting problem. How do you fix bad lighting in film footage??
on Jun 3, 2014 at 3:20:45 pm

Can you post an image of what you are trying to fix? In this particular case, there are a lot of things to correct, but the biggest problem is that she is lit from below which is causing that nasty nose shadow on her face.

"|_ (°_0) _|"

Sincerely,

George

http://www.vimeo.com/georgegoodman
http://www.linkedin.com/in/georgefranklingoodman


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Scott Johnson
Re: Lighting problem. How do you fix bad lighting in film footage??
on Jun 3, 2014 at 3:59:07 pm

Ok, I'm redoing this video completely:







This is the best I could get it in Vegas:

http://i.imgur.com/C6FwJGh.jpg

It's way to bright, but when I lower brightness the lighting issues show up. It's the best I could do, I am looking for plugins and fixes, maybe do an outline cartoon version or something, I just don't know..

Thoughts?

http://ytkidsvids.tumblr.com/


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George Goodman
Re: Lighting problem. How do you fix bad lighting in film footage??
on Jun 3, 2014 at 4:24:32 pm
Last Edited By George Goodman on Jun 3, 2014 at 4:25:38 pm

Gotchya.

One of the fundamental problems here is that you have two separate colored light sources. You have the lamps you used inside which are a tungsten-ish orange and you have the blue daylight mixing from the window. You're going to have to independently affect those channels. There are a lot of ways of color correcting, so you're going to want to use whatever is most comfortable to you. Levels, channels, hue/saturation, curves, or even the built in color finesse tool will give you the ability to isolate your blue channel. I would try to pull your blues into a more warm orange to match the color of the girl.

The over exposed window draws too much attention to the wrong part of the frame. There is no information there, so it'll have to stay white, but you could try a vignette to pull the eye to the center of the frame.

The girl is too saturated and orange. After you've made your blues and oranges match well together, you can desaturate the entire image with and adjustment layer, or also shift the oranges to be slightly more blue - or a combination of both.

Your mid tones are a little dark, you could use levels or curves to boost them, but you'll want to look at your scopes to get it right.

There are all kinds of ways to overcome these various problems, but I've highlighted the ones that stick out to me the most.

"|_ (°_0) _|"

Sincerely,

George

http://www.vimeo.com/georgegoodman
http://www.linkedin.com/in/georgefranklingoodman


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Scott Johnson
Re: Lighting problem. How do you fix bad lighting in film footage??
on Jun 3, 2014 at 5:17:37 pm

Thank you George for your replies and your help, I appreciate it. I was hoping for a faster solution. I don't really want to rotoscope for the editing, but I might not have a choice. You mention alot about color, which is the main problem, but has technology advanced far enough to correct shadows ie: change the position of the lighting?

The fact that the light is below her instead of above her is an issue. Is there no way of correcting that? Maybe keying a color or something, idk?? Thanks

http://ytkidsvids.tumblr.com/


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George Goodman
Re: Lighting problem. How do you fix bad lighting in film footage??
on Jun 3, 2014 at 5:23:30 pm

Scott, you shouldn't need to roto anything. You should just isolate the channels by color and affect them like that. Try duplicating the footage and using the extract filter to pull our the various colors, and then affect them from there.

You can't reposition lights. All you can really do is duplicate footage, isolate the parts you want to work on and change it. You can try masking out some shadows, feathering it, and bringing them to a brighter level, but this could get messy really quickly.

"|_ (°_0) _|"

Sincerely,

George

http://www.vimeo.com/georgegoodman
http://www.linkedin.com/in/georgefranklingoodman


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Darby Edelen
Re: Lighting problem. How do you fix bad lighting in film footage??
on Jun 4, 2014 at 4:44:28 am

Primarily you need to white balance the shot. The easiest way to do that is to pick something that should be just about white (her shirt) and look at the current RGB color values. Then apply a Levels effect and set the Input White values for the Red, Green and Blue channels individually to those values. Finally adjust the gamma and white output of all of the RGB values together (the previous step may have brightened the image too much).

It's possible that you will clip some values if you're not working in 32bpc and you white balance for a white value that is not the brightest in the scene. For that reason I'd recommend either doing this all in 32bpc (less work up front, better results) or taking some extra time when setting your white input values by padding them a little bit (more work up front, lower quality results, much faster render).

Attached is an example where I took this approach with a still from your sequence.

7577_whitebalancefolder.zip

Darby Edelen


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Scott Johnson
Re: Lighting problem. How do you fix bad lighting in film footage??
on Jun 5, 2014 at 9:55:56 am

First, thanks for your help and the suggestions. I tried following the advice given, but I'm sure I'm just confused because I really couldn't get a desired result. For example, I tried editing the Levels by color channel, but all I got were various color tints but the problems of bad lighting remained. I tried keying color, I tried keying luma, I tried toggling white balance, I don't think I know what I'm doing here, and I looked for tutorials. (I usually use After Effects for compositing or animation, but I have less experience doing advanced color grading especially to fix problems.

So yeah, I ended up rotoscoping the girl, toggling the levels that way, then desaturating the background and toggling those levels. Here's the result:







What I like about it is the girl remains the focus while not being drowned out by the light from the window. Also, she's not pumpkin orange, but still remains warm. I'm sure it can be better, but that's about all I could figure. Maybe you know of tutorials or something to better explain your methods for future reference. But I wanted to post this as a follow up/conclusion.

- Scott

http://ytkidsvids.tumblr.com/


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