Needing some advices in chroma keying.

[Chris Evans]

That’s not a bad camera, I have one very similar, even Panasonic. It probably is your denoiser. Try making one without it, but don’t judge the noise till after you put it on YouTube. It may not be as bad as you think. Sorry if I’m going to far, it’s just stuff I would try.

[Serban Andrei]

It’s not a problem, don’t worry about it. I posted here hoping to get advices from people with more experience than me. I will definitely try that and come back with a post, thank you.

[Serban Andrei]

After numerous changes, but unsatisfying results, i dropped the chroma key process along with the green screen and moved my subject in front of a white wall. I had some problems with shadows and proper amount of light on my subject, but i bought 2 umbrellas. Seems to be a good choice, i’m now using just 2 1000W lights instead of 4. I placed them in front of my subject and this is the result so far:

https://www.youtube.com/watch?v=iX7pwXhJiP8

I am pretty happy with this, but still i have one big issue. Noise, can’t seem to figure it out…my gain in low on my camera, my subject has enough light but the footage still has noise. After i uploaded the video to YouTube the noise looks a lot worse, in the footage from my computer it’s clearly better. Another is that i would like my background to be closer to white. Right now i am thinking at a decoration of some sort in the background…with some posters, boards and maybe a big TV. I don’t know how is going to look and i am afraid that the lights will be reflecting from the TV..but i am going to try. And still…until i get somewhere with the decorations i would like to make the background closer to white.

Some thoughts? Thanks.

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[Chris Evans]

I just watched the video on YouTube at full quality and I could barely see any grain even when I was specifically looking for it, so don’t worry about that too much.

The only way to make your background whiter is to throw more light on it without putting any on your subject. I don’t know what kind of lights you are using, but if they have barn doors, you should be able to put them level with your actor (or even a little in front), out to the side of the shot and point them at the background without getting any on your actor. Since you are only using 2 of your lights now, that should be easy. Move your actor as far forward as you can and still get the shot and that will help spread the lights evenly over the BG. If you can’t get it even, just point the lights at the center and it will give you a natural vignette and nobody will even notice.

I think your video is actually really good. I like the white background and it looks great overall. I am a little distracted by the lights reflecting in his glasses, but that isn’t too much of a problem. Be proud of yourself, this is a quality product.

[Serban Andrei]

Thank you Chris, i am proud of the result but i want to make it better. I don’t know what it is but after i uploaded the footage on YouTube, it got a lot worse, maybe isn’t noise, but i don’t know how to call it. It looks like it’s pixelated or something, it does not look HD, and i am sure of that because i can see the difference between the footage from the PC vs YouTube. Maybe it’s YouTube’s compression or i have to convert my video in some other format. I saw videos that look better than mine on YouTube, and i am sure that they were filmed with a inferior camera.