paul_lovichi Posted October 27, 2004 Share Posted October 27, 2004 what is the best way , quality wise to enlarge a 6mp canon 10d file in photoshop keeeping the dpi at 300. i want to make bigger prints than the 10 x 8 that this setting will allow me to cheers paul Link to comment Share on other sites More sharing options...
vatovec Posted October 27, 2004 Share Posted October 27, 2004 How large? Nowoadays i use the bicubic smoother in one step exclusively. Link to comment Share on other sites More sharing options...
ilkka_nissila Posted October 27, 2004 Share Posted October 27, 2004 Bicubic interpolation does work, but at least Espon printers have an optimized interpolation scheme which I use to I just dump the file as it is to the printer. Link to comment Share on other sites More sharing options...
frank_skomial Posted October 27, 2004 Share Posted October 27, 2004 Seems that the title of this thread already answered your question, stating that the best way is "in p.s." - I assume p.s. stands for PhotoShop. If this title was invented by you(?) then perhaps do not need advice. There are few other better ways to enlarge a file. e.g. Spline2 software from Shortcut software. Spline2 also provides cubic interpolation option for use, or just to compare results. Link to comment Share on other sites More sharing options...
t._duane_jones Posted October 27, 2004 Share Posted October 27, 2004 Paul, I asked this same question just a few days ago, and here's what I'm doing: I use PS 6, and in the image size box, I increase in 10% increments (type 110 in the box). When I'm finished with my adjustments, I sharpen the image and save it. I have sent several images to the lab, ranging from 8x10 to 16x20, and using several different sharpening levels. I want to see what gives me the best results. Best of luck. Duane Link to comment Share on other sites More sharing options...
scott s Posted October 27, 2004 Share Posted October 27, 2004 There are in fact, many ways to enlarge an image in PhotoShop. In a number of tests that I did, I found that it completely depends on the image. Sometimes SmartScale was better, sometimes genuine Fractals, usually multiple step PS resize was very close or better than the two above. I never found a one-step PS resize to be the best choice in any of my tests. I found that one of 2 processes generally looked best to me... I did a 110% enlargement using a 3-step process until I reached my goal size. For finely detailed images (trees, feathers, fur) I did a 110% resize using Bicubic Sharper, another 110% Bicubic Sharper, followed by a 110% Bicubic Smoother. I repeated the 3 steps until I had reached the final size. On all other images I did basically the same thing but changed to Smoother, Smoother, Sharper. The definition of "finely detailed" is loose, and which process comes with experience. The difference is often subtle, but it's there. This process produced results that looked better to *me* on *my* images - Your Mileage May Vary. Link to comment Share on other sites More sharing options...
dmarks Posted October 30, 2004 Share Posted October 30, 2004 http://www.nyphotographics.com/ftppage.htm You'll find free interpolation software to upsize to 36x54 inches.It works very well. Link to comment Share on other sites More sharing options...
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