While it's not the one I preferred if I had to make a second choice I'd
choose the very blue screen... but still probably try to desaturate it a
bit.
Chuck Norcutt
On 2/22/2014 5:42 PM, Peter Klein wrote:
> Thanks for the comments, Joel and Chuck. The one Chuck prefers is the
> closest to having a "correct" white balance of both the video actress
> and the live cellist. It also took the most effort to make. I thought
> this was what I was going for. But when I got it "right," I found that
> the two women looked too much the same. My eyes did not see the drastic
> color difference between the screen and the live performer, but they saw
> some difference, which this rendering eliminates. That's when I decided
> to get interpretive about things.
>
> On another forum, Nathan prefers the original settings, with the live
> performer "correct" and the screen very blue. I suspect I could find
> someone who would like each rendering.
>
> --Peter
>
> > I find the most pleasing image to be this one
> >
> > But that may have nothing to do with reality or the work required to
> product it.
> >
> > Chuck Norcutt
> >
> >
> > On 2/22/2014 1:01 AM, DZDub wrote:
> > It's an interesting series. Because the live person looks fine in the
> > first one, I don't care so much how the video looks. Of course, I wasn't
> > there. I thought the BW version was quite nice. What PWP does well, it
> > does quite well.
> >
> > Joel W.
> >
> >
> >
> >
> > On Fri, Feb 21, 2014 at 12:53 AM, Peter Klein wrote:
> >
> > This is long, but you may find it interesting. I just spent several
> > hours over a couple of days trying to get a picture "right." There were
> > several different degrees of "right" and "not right," with no clear-cut
> ....
>
> > One shot posed a particular challenge. In the piece "Up Close" by
> > Michael van der Aa, a cello soloist doesn't just play with a string
> > chamber orchestra and electronic sound. She also interacts with a
> > projected video that runs during the piece. This created a perfect
> > storm of mixed color temperatures. Here's the first white balance, done
> > for the tungsten stage lights. The live woman is fine, the video is
> > blue, blue blue.
> >
> > <http://gallery.leica-users.org/v/pklein/album170/P2170091+_2_.jpg.html>
> >
> > Balance it for the video, and the live performer becomes the Lady in
> > Excess Red.
> > <http://gallery.leica-users.org/v/pklein/album170/P2170091+_1_+.jpg.html>
> >
> > So what to do? I tried black and white. Which was OK, but not quite
> > what I wanted. Not enough difference between live and Memorex.
> > <http://gallery.leica-users.org/v/pklein/album170/P2170091bw+.jpg.html>
> >
> > I spent a couple of hours making masks (not my best skill, and I use
> > Picture Window Pro, not Photoshop, so I don't have a magic lasso).
> > Eventually I did a combination of a polygon for the screen, merged with
> > a mask keyed to most shades of blue, plus another to reddish hues,
> > cloned one into the other, blended the two white balances through this
> > mask, then and manually adjusted the final result with the clone tool.
> > It ended up mostly, reasonably technically correct, but the blue spill
> > in the foreground is impossible, and it's not what I perceived when I
> > saw it. During the performance, I didn't see the drastic color
> > difference that the camera "saw." But there was a difference, and this
> > rendering almost eliminates it.
> > <
> >
> http://gallery.leica-users.org/v/pklein/album170/P2170091-composite2ClonShpFinalCrop.jpg.html
> >
> >
> > At which point I decided that realism was futile. OK, let's get
> > interpretive. I tried a partially desaturated version of the original
> > tungsten balance.
> > <http://gallery.leica-users.org/v/pklein/album170/P2170091Desat.jpg.html>
> >
> > But the picture I eventually chose to post was the one below. I used the
> > tungsten white balance, so the live performer appeared normal, and a bit
> > of selective color correction towards grey to reduce but not eliminate
> > the blueness in the video performer only. This added some mixed-toned
> > B&W surrealness to the video image. It was not exactly what I saw, but
> > it evoked the same sensation as what I saw. Besides, my wife preferred
> > this one. :-)
> > <http://www.flickr.com/photos/24844563 [at] N04/12664153803/>
> >
> > Again, see the following four pics for the conclusion of the series.
> > Thanks for bearing with me.
> >
> > --Peter
>
>
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