Should I resize first or last? – (Updated)

R
Posted By
richard
Jul 3, 2006
Views
204
Replies
4
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Closed
I am working with 23mb images that ultimately need to be increased to 50mb using PS bicubic. I am adding new layers like replacement skies and flowers etc. and I need really good convincing edges. My query is, for the best possible result, should I make my additions and changes at the 23mb stage, or increase to 50mb and then make my changes there?

Many thanks for any help.
Richard

—
richard
Related Tags
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BH
Bill Hilton
Jul 3, 2006
richard wrote:
I am working with 23mb images that ultimately need to be increased to 50mb using PS bicubic. I am adding new layers like replacement skies and flowers etc. and I need really good convincing edges. My query is, for the best possible result, should I make my additions and changes at the 23mb stage, or increase to 50mb and then make my changes there?

I guess the wise thing to do is take 3 images and work on them both ways and see if resizing later makes a difference or not. This will probably tell you more than the contradictory info you’re likely to get off usenet. For sure things will run a bit faster if you do all the scut work on the smaller file.

My guess is you’re better off getting everything in at 23 MB and resampling, but it’s just a guess … I often resample up for printing as the last step before sharpening but not with "replacement skies" etc, so I’m not sure about your case.

Bill
RG
Roy G
Jul 3, 2006
"richard" wrote in message
I am working with 23mb images that ultimately need to be increased to 50mb using PS bicubic. I am adding new layers like replacement skies and flowers etc. and I need really good convincing edges. My query is, for the best possible result, should I make my additions and changes at the 23mb stage, or increase to 50mb and then make my changes there?
Many thanks for any help.
Richard

—
richard

Hi again.

Like Bill, I have no idea which would be the best order.

However I would suggest that you do your resampling in 10% steps, and use bicubic smoother, if on CS2.

23 to 50 is still a bit larger than I would try, and expect good results, but if you must, then you must.

Roy G
D
Dave
Jul 3, 2006
On Mon, 03 Jul 2006 16:45:54 GMT, "Roy G"
wrote:

"richard" wrote in message
I am working with 23mb images that ultimately need to be increased to 50mb using PS bicubic. I am adding new layers like replacement skies and flowers etc. and I need really good convincing edges. My query is, for the best possible result, should I make my additions and changes at the 23mb stage, or increase to 50mb and then make my changes there?
Many thanks for any help.
Richard

—
richard

Hi again.

Like Bill, I have no idea which would be the best order.
However I would suggest that you do your resampling in 10% steps, and use bicubic smoother, if on CS2.

23 to 50 is still a bit larger than I would try, and expect good results, but if you must, then you must.

Roy G

I would have done the alterations on the smaller image
and only the sharpening on the final product.

Dave
N
noone
Jul 4, 2006
In article , says
….
I am working with 23mb images that ultimately need to be increased to 50mb using PS bicubic. I am adding new layers like replacement skies and flowers etc. and I need really good convincing edges. My query is, for the best possible result, should I make my additions and changes at the 23mb stage, or increase to 50mb and then make my changes there?
Many thanks for any help.
Richard

—
richard

Personally, I’d do the resize first, so I could better judge how the quality of the final might degrade.

As Bill Hilton suggested, doing it both ways would be the best way to determine which is actually "better." Also, as others have pointed out, Sharpen should come last. I will often run Neat Image (or similar), then Sharpen as last. If I have to do color space conversion, i.e. RGB -> CMYK, I’ll do that before Sharpen. Do not know if Neat Image is "better" before, or after the color space conversion.

Hunt

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