New Dp2 Quattro (beta) samples~~~~ Locked

Started Jun 17, 2014 | Discussions thread
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Usee
Usee Senior Member • Posts: 2,223
Re: That trick only works when you are juggling with missing balls - like Quattro 4:1:1

Kendall Helmstetter Gelner wrote:

Usee wrote:

mike earussi wrote:

Hopefully these are just OOC jpegs. The sky is very noisy at iso 100, the colors are desaturated and low in contrast and it doesn't like horizontal lines at all. The first three are easily correctable in post but the last one is not. Hopefully the horizontal line problem can be fixed with SPP or firmware upgrades.

Yes, the horizontal line problem, is something I also wondered, why it seems to be more obvious, than at the vertical lines...

...I didn't mention it until now, because I thought, that maybe it is a personal oversensitivity...

Pretty sure it's a JPG issue.

OK, at least you admit, that there is an issue...

...however, they could try to improve that with the 45 degree (sensor pattern) rotation trick, which Fuji used some years ago...

...and that is a serious suggestion!

Which would not do anything for Foveon. The reason that "trick" helps bayer sensors is that vertical lines run into a larger variety of photosites so they don't miss the line as badly. Then diagonal lines have the same issues.

Well, remember that:

1. this is Quattro related... (4:1:1)

2. it is better for the perception, to have the problem shifted to diagonal lines.

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