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post #1 of 22 (permalink) Old 08-14-2019, 09:00 PM Thread Starter
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If you drop an image onto a text page and resize it larger, it'll often get substantially blurrier. Is there any way of sharpening the image once it's resized?
(Believe it or not it is woodworking related. I'm trying to add an image as decoration to a wood panel.)

I'll be using this stuff in my inkjet printer. Krylon Gloss Clear spray over top.
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post #2 of 22 (permalink) Old 08-14-2019, 09:10 PM
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You're best option is to start with a higher res image. I'm guessing that you are starting with a low resolution image?

I've never tried enlarging an image, and have never had an issue with blurring.
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post #3 of 22 (permalink) Old 08-14-2019, 09:16 PM
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The blurriness is a factor of the increase in pixel size from the original. What happens when you increase the size of the image is the computer takes that original number of pixels (dots) and just increases their size, not actually add more dots. That's why it gets blurred as you increase image size. That is the resolution of the original image.

If it was a vector image then it will usually be clearer when you increase it in size (to a limit).

As Ger said above, can you get a higher resolution image of the original?
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post #4 of 22 (permalink) Old 08-14-2019, 10:11 PM
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Still working this out, but seems to work. I was having problems printing copies of designs for my cane handles. Often best I could come up with was 2" difference. Ran across this by accident - distance is the answer it would seem.

The trick is, distance from the camera. Closer, or further, from the camera, when moved to my computer, and print, give different sizes. Print one that was taken an inch further from the camera, and it will be a tad smaller than the one that was taken an inch closer. And they seem to be clear.

When I can get the time, have a long cardboard box, about 8" wide, 3 or 4" deep, and about 48" long. This will be marked at 1/2" intervals for the whole distance. Then fix the camera to one end. A stand for the design to be photographed, and start taking shots at 1/2" intervals. This may be more close than needed, but won't know until I try it. Important to know the distance each picture was taken at, so you can duplicate it at any time. From what I have figured out so far should be able to get the photo sized to about 1/8" of what the final design wanted. And, for me, that's close enough. Pretty sure I could get it closer if need be, but I think 1/8" would wind up close enough.

This is going to take a lot of photos, a lot of printing, a lot of comparing, and figuring out how to tell the distance each photo was taken at - I'm thinking maybe hooking a number on the paper, and change every time you move it.
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post #5 of 22 (permalink) Old 08-14-2019, 10:46 PM
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Gerry, Theo has a point....if you print out the image the size it looks best then use a camera or your phone to take a closeup ans then use that it might work.

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Last edited by Old_Tom; 08-14-2019 at 10:46 PM. Reason: Computer can't bloody spell!!
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post #6 of 22 (permalink) Old 08-14-2019, 10:48 PM
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what is the origin of the photo???
yours or heisted???
are you posting it into a .doc(x) or pulling one out???
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post #7 of 22 (permalink) Old 08-14-2019, 11:39 PM
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Sounds like you are accepting a default resizing setting the reduces the number of pixels for unse on the internet. Check into the software settings and disable this feature. On this site, that pixles per inch is automatically reset. If you can disable the pixel/size setting, you should not have that happen. The shrinking is happening (usually) when you resave the picture after dropping it into the document. The software open then is what you might check. I use Irfanview, a free open source picture handling softwar and can print directly from the picture without reduction in pixel count. I usually drop it into a text box so I can size it myself, and then print that document. Haven't used OpenOffice for many years, my documents have to open in machines that are all Micro$oft, even the Apple gear opens those Word files.
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post #8 of 22 (permalink) Old 08-14-2019, 11:44 PM
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Me thinkx it's pixelation. Good luck.
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post #9 of 22 (permalink) Old 08-15-2019, 02:16 AM Thread Starter
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Yes. I agree, it's the pixel issue. Picasa has a 'tool'; that lets you sharpen the image...I assume it's extrapolating from the existing pixel arrangement.
Stick wanted to know if it was a "heist'...I like to think of it more as 'advertising ' for the original artist.
Tom; which software are you referring to? Open Office?


The image is partially resized below:
I think I need it at least 8" x ratio

You guys may have a point with the digital camera concept, and taking a picture of the image as it appears at it's best.
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post #10 of 22 (permalink) Old 08-15-2019, 03:08 AM Thread Starter
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Quote:
Originally Posted by Old_Tom View Post
The blurriness is a factor of the increase in pixel size from the original. What happens when you increase the size of the image is the computer takes that original number of pixels (dots) and just increases their size, not actually add more dots. That's why it gets blurred as you increase image size. That is the resolution of the original image.

If it was a vector image then it will usually be clearer when you increase it in size (to a limit).

As Ger said above, can you get a higher resolution image of the original?
Nope. The downside of borrowing screen art.
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