2955Re: d e parameters
- Oct 2, 2006On Mon, 02 Oct 2006 20:48:37 +0200, Erik Krause wrote:
>> How large of a shift is typical? Does anyone have recommendations forSorry, yes I meant for non-scanned digital images. I find about 20
>> good test images to assess whether d and e should be nonzero (standard
>> "building at a distance"?).
> I simply optimize them and the result is much better afterwards. For a
> digital camera with a fixed focal length lens optimization of per image d
> and e parameters might not be necessary. For our D70 they are pretty
> constant at about 13 and 9 pixels...
and 18 pixels on my D50, but it likely depends on the lens. If you allow
per-image d and e on your D70, how much variation do you find? I could
see that being a somewhat poorly constrained optimization direction.
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