Adventures in the PSE

Blind Comparison:
-video deleted- see screen shots below



(Written while above linked video was being uploaded)

Okay, I am uploading a quick and dirty 60D picture style 'blind test' version to Vimeo.

While I am waiting for the upload, I will go over some things about the video.

First off, I used Kinoflo 4Bank daylight 55K tubes, since natural light is so variable, it can give a sort of common reference point. And the lens I used is a common canon L series lens, also used as a common reference point.

Camera setup:
Canon 60D
Canon EF 24-105mm f/4 L USM @ f5.6


I tried to take away from 'attractiveness' of the image, in order to concentrate on what the camera is doing with the image. The actress' hair and make-up are not done, and she was in fact under the weather at the time of shooting. So big bravo for her to participate, she is a trooper. The set has an undesigned look to it. Could I have made it look better and had good test/comparison info? Maybe. Haha, I don't know. I didn't try. I didn't want it to boil down to "well they all look good."

The facial area has a variety of shades, but nothing extreme, in order to show the hues.

Look for gradation quality on the wall, shirt, and face.

The upper left corner has a section of black to show what is essentially... black. (Cinestyle is the only style which will noticeably change the black level)

The piece of Kinoflo light shade behind the actress' head shows a simplistic gauge of contrast variety between styles.

The backdrop cloth shows roughly how some of the red/yellow/green/blue levels change in relation to each other between color styles.

The scarf is a vibrant (but not overly saturated color) which Canon seems to either understate (standard, neutral), alter (faithful, portrait), or exaggerate (landscape).

There are 9 picture styles compared total.
 
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I'll have to get a second look at the scarf to see which one of the styles renders that most accurately.

I have not studied the the pros and cons of each style in this comparison yet. Just throwing it up there, so you guys get it when I do.
 
Screen shots:
6815707283_58841ff814.jpg

STANDARD on Canon 60D

6815706651_d4ee335ecb.jpg

R3_0701L on Canon 60D

6815707159_d962707e6b.jpg

NUETRAL on Canon 60D
 
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#Norman Bates, has some interesting test results, and some cool looking developments.
 
Video deleted. Picture styles look better on the 5D

Similar to the first, but this time comparing the differences between a 5D and 60D image.

(Sorry, no HD yet, I am not subscribed to vimeo plus services.)
 
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All of the profiles looked better on the 5D, to me. Even my custom picture style which was designed on the 60D, looked more nuanced on the 5D.
 
CASE STUDY: Make Canon Look Like Panasonic M43

CASE STUDY: Make Canon Look Like Panasonic M43

I am going to document the process I am using to create a Canon picture style to mimic or get close to the Panasonic m43 look.

First step is analysis. Since both cameras process the raw files differently, I opened the videos and grabbed screen shots. Then I will be taking those screen shots into Photoshop for comparing the two styles.

M Gilden supplied some good sample photos because the subjects are semi reflective plastic, they have a very wide range of hues for what looks like a simple color.

Again, here are the screenshots on flickr:
GH2
6560826821_45fbfd277b_z.jpg


Canon
6560825321_1d3afc6b6d_z.jpg




Images were resized to overlay properly when layered.
Here is a download to the Screenshots in a photoshop document: http://dl.dropbox.com/u/37533131/Canon_Panasonic_Video.psd
 
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-video deleted-

Quick and dirty noise test. Has original download option if you want to try grading.
 
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a bit puzzling: I haven't noticed that much chroma noise in the shadows with Flaat_2 - maybe it's there because it's more saturated than some of the others (particularly neutral and cinestyle, which appear just before and after Flaat)

I'd rather compare them all graded to match (at least roughly: a curve to get the waveform somewhat close, and a saturation adjustment to get the vectorscope somewhat close - that's what I did in my own tests)

in any case: thanks for including Flaat!
 
a bit puzzling: I haven't noticed that much chroma noise in the shadows with Flaat_2 - maybe it's there because it's more saturated than some of the others (particularly neutral and cinestyle, which appear just before and after Flaat)

I'd rather compare them all graded to match (at least roughly: a curve to get the waveform somewhat close, and a saturation adjustment to get the vectorscope somewhat close - that's what I did in my own tests)

in any case: thanks for including Flaat!

Have you done a test with a simple smooth gradient on a monochrome wall, and then one with a human subject? I will be working on the GH2 ps, so I may not uploading anymore video tests for at least a week.

Here's another quick and dirty 'dynamic range' test from that same day (all shots at iso 200).
6865197071_806f8685a5_z.jpg

Cinestyle

6865196683_09a9989fd0_z.jpg

Flaat

6865194103_6ddb94c259_z.jpg

R3_M2006 - 1 contrast

6865193785_b68553a72b_z.jpg

Standard -0+ contrast


Standard is the more centered on the sun, so the sun should appear bigger in the shot. I was doing some steadicam practice, and it was very windy, so the framing is not exactly the same.
 
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a bit puzzling: I haven't noticed that much chroma noise in the shadows with Flaat_2 - maybe it's there because it's more saturated than some of the others (particularly neutral and cinestyle, which appear just before and after Flaat)

I'd rather compare them all graded to match (at least roughly: a curve to get the waveform somewhat close, and a saturation adjustment to get the vectorscope somewhat close - that's what I did in my own tests)

in any case: thanks for including Flaat!

No problem. Any flat style is going to have more noise, all things being equal. A final grade test would be good too.
 
After putting the screen shots into photoshop, I tried matching the contrast and lighting characteristics between the two, and took color samples from each image. Because of many variables of noise, compression artifacts, and pixel variation between images, this can only serve as a reference, and not as a color key.

Here is the start...
[
6873259961_3e2848c0a2_z.jpg

Canon vs Panasonic palette

File which I referenced colors from...
http://dl.dropbox.com/u/37533131/Canon_Panasonic_Video2.psd
 
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The Canon image was shot using 'Neutral' picture style.

The GH2 was set to 'Nostalgic'.
 
About to start testing the EOS/Panny picture style. If any one wants to try it out in the early stages pm me, and I'll send you the .pf2. Cheers.
 
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