Check to make sure you know where the scan was saved to. If you don't "Browse" and select a folder, the scanner may place it automatically. Open an image editing program on your computer. Most computers have a program, like Microsoft Paint as shown here, already installed on them. Open your scanned image in the program. If you don't have a paint program, you can download a free one from the link in the Resources section below.
Select "Image" from the menu bar at top, then "Stretch and Skew," as shown here. If you increase the values for both height and width by the same percentage, the image will enlarge proportionately. Increase the size of your image by typing in a higher percentage in the boxes for height and width as pictured here. In this example, the percentages were each were raised from the default setting of percent to percent. Print Driver Settings Guide Windows.
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It has been a while since anyone has replied. Math does like exact numbers, and if our image had been x pixels, then greatest common divisor is 2, so reduction comes out , not exactly , and not as easily recognized the calculator may show rounded minor differences. Crop to the print shape, and then resample to the print size and resolution described on next page. Not all programs offer an easy crop to print paper shape.
Gimp and PaintShop Pro do, most better editors do. It's a Crop or Marquee Tool option to specify a crop aspect ratio, and then any crop you mark matches the specified paper shape. It's an essential tool for printing. Yes, resample tools typically provide an option to NOT preserve image proportions.
That way, we could resample 4x5 to be 4x6, or to be 8x However, that distorts the image, stretching or shrinking one dimension instead of changing both dimensions equally.
Circles would become ovals for example. People could become tall and thin, or short and wide. For resampling photos, surely you always want resampling to preserve, retain, maintain, or constrain image proportions however the editor words it, which should be default. Image Size So image Shape is important, and also, image Size is important.
We can crop the shape, and resample the size to be smaller — resampling larger does not add needed detail. Discussed on next page, but for printing goals, the necessary procedure should be to first crop image to match the paper shape, and then resample smaller to produce image size of about dpi. More pixels really cannot help the printer, but very much less is detrimental to quality.
This is very simple, but it is essential to know and keep track of. This simple little calculation will show the image size needed for optimum photo printing. This calculation is so simple, and is one thing you really need to know, and it should be second nature to you , to be considered when printing any image. This simple little calculation shows the concept, and can serve two purposes: It will show the required image size pixels to print this paper size at the dpi resolution.
Or same thing, x pixels printed 8x10 inches will be printed at dpi resolution. It will show the output image size created pixels if the area is scanned at the dpi resolution.
Scanning 8x10 inches at dpi will produce x pixels. There is a larger dpi calculator that knows about scanning, printing, and enlargement. It's important to realize that an area scanned at dpi will create the pixels necessary to also print the same size area at dpi.
The concept either way is pixels per inch. Scanning and printing at dpi is likely what you want for a photo copy job a line art scan of black text or line drawings can use dpi well.
However, this size does NOT need to be exact at all, dpi or dpi or dpi does not really matter much, but somewhere near this size ballpark of to pixels per inch is a very good thing for printing. When viewing images on a monitor screen, we're used to images not filling the entire monitor screen. So while artistic cropping is still important, there is no paper shape to match.
HDTV is x pixels or x pixels , and 6x4 inch prints at dpi is x pixels, close enough to same for either to show well on the HDTV screen assuming Landscape orientation , but printing on paper really needs the correct shape. A printing tip: It is often artistically good to consider cropping a little tighter in camera, when taking the picture just meaning, show what you want to show, but think about it.
Empty or extra space may not offer much, other than distractions from the subject. However, for printing, realize that is not quite the final result, because your best effort will still need to be cropped a little more to fit the paper shape.
It's necessary to think ahead, and provide this little extra for the later cropping. Of pixels, From cameras, 8x10 cuts a bit of the long end off 6. So it can be very awkward when you really have not planned any extra there to be trimmed off to fit the paper. If you don't know what size you may print, it's a good plan to leave a little extra all around.
Then plan on cropping it better when preparing images for screen or printing. We have so many megapixels now, this is not normally an issue. Just a little attention will quickly make this be automatically intuitive.
Which it needs to be. However, we may not know yet what size it might be printed, so leaving a little space for cropping can be a good thing so long as you do crop it. When preparing for printing a few different sizes from one image say for portraits of one image printed 4x6, 5x7, and 8x10 inch , what I do is crop it three times and create three proper output images to upload.
If I don't crop it, the printer's machine will, but the machine is dumb cannot recognize what the image is. If there are different sizes of same image, I also add the size into the file name to help me keep it straight when selecting them online for printing. For 8x10 inch prints, I crop , resample to x pixels, and add "8x10" to that output file name.
For 5x7 inch prints, I crop , resample to x pixels, and add "5x7" to that output file name. For 4x6 inch prints, I crop , resample to x pixels, and add "4x6" to that output file name.
For wallet size prints, we can simply use the 5x7 image, since they are the same "shape" next page. The shop will resample its size, still same shape. This is easy trivial stuff to do, and then I know exactly how it will come out, and the crop results are always perfect. My notion is that the expensive shops possibly might have a paid employee to verify acceptable cropping of each print, but the least expensive shops one employee to work the counter while the machine prints just feed it into the machine, which doesn't know, can't decide, and doesn't care.
Even if there might be a person preparing for the printer, they cannot know your particular preference, how you actually want it to look. But if you crop it to paper shape yourself, then you always get your choice. Image shape is a primary concern about printing. Possibly you are the only human that will see it before the print is returned to you meaning the machines will print it automatically, in their way.
The printer's web site probably does offer a Crop tool option for you to crop it online first, after you upload it however, that can still be a problem if you need multiple print sizes of one. Today, this crop to paper shape is Your Job to do it. I simply just do it at home, and then upload all the proper images, and then no surprises. The rest of this article next page is about how to do it, and this is about the least that we need to know about using digital images.
When doing anything with digital images, the first question is "What size is the image? Pixels is what it is all about, and digital is very different than film. If any mystery about pixels, here is a short primer: What is a Digital Image Anyway? Once we accept that pixels actually exist, it's all quite easy. Resizing Images Resize is a term too vague and ambiguous, it has no specific meaning until we say what it means.
There are three very different ways to "resize" an image, and all three have very different meanings and results. These topics are on the next page , but first a summary.
Crop it - Simply cut away some at the edges, to include less area in the final image. A little like zooming in a little tighter, but done afterwords. Same action as scissors on paper, so to speak, except if we still have sufficient pixels remaining, we can still print our image later. Cropping tighter can improve the composition by removing empty or uninteresting or distracting side detail that contributes nothing, and draws attention away from the subject.
Cropping tighter increases the size of the subject in the frame, making it more dominant. Much less arbitrary, cropping is often required to make the image Shape fit the print paper Shape. Cropping discards those trimmed pixels, making the image pixel dimensions smaller, but primarily, it changes the scene included, and often the shape too.
Different paper sizes 4x6, 5x7, 8x10 inches, are each a different shape — therefore we also often crop to make our image shape match the paper shape. Our camera always makes its images of the same one shape aspect ratio, which is width:height , but our intended use often needs other shape s , to fit it to the printed paper size or viewing screen size.
And frankly, a little cropping often improves the composition of many images, removing distracting or uninteresting blank nothingness around the edges, concentrating the actual subject larger zooming tighter, so to speak.
More detail at Cropping. Resample it - to create a new image of different image dimensions in pixels. Resampling might for example replace pixels across with only say new pixels across, still the same scene view, but a much smaller image.
In this case, every four pixels of width and four pixels of height 16 pixels is combined into one new image pixel Reasons would be to make an excessive size image smaller, maybe to show it smaller on the video screen, or to send it as email, or to print a smaller paper print.
The plan is to make the image size more appropriate for a purpose of using it. There is no going back, so do not overwrite the original — this second one should be a copy, with a different file name.
Resampling is not reversible, resampling smaller discards pixels detail in order to be smaller. The smaller copy has enough pixels for the smaller size, but less than before. Examples before we get into how to do it.
This was a D camera image, 36 megapixels, x pixel dimensions. To show it here on the web screen our screens are no more than 2 megapixels size, and many are not even that , it was resampled to an arbitrary x pixel size, 0.
And by the way a different subject , do note that even this small image is still quite enlarged here , because the lens image on the camera sensor was very much smaller. But now perhaps near 5 or 6 inches wide on some screens here screens vary , but the FX sensor was only 1.
Like film sizes which are generally small too , that's still a considerable enlargement that we see. Resampled image , x pixels, 0. Original was x pixels, , 36 megapixels. Your screen needs to be at least pixels wide to see it as It is still , but a vastly smaller image now.
The original size is quite capable to print large sizes, but the shape will need cropping for various paper shapes. Cropped image x pixels, 0. Different view and shape. It is shape now, which "shape" could fit 8x10 paper needing x pixels. We might debate the cropping choice, but cropping can fit the paper shape.
Cropping can also often improve images, to be better pictures omitting the distractions or empty spaces. To emphasize the shape differences, note that is a longer and thinner shape, is shorter and wider.
Fewer pixels in a smaller image, but same view and same shape as the larger image. Scale it - The third way to resize is to scale your existing image for print paper. Scaling changes ONLY the dpi number, which is just a number. Scaling does NOT change the image pixels or the image shape in any way no resample, no crop , so scaling does Not affect the video screen at all the monitor does not use dpi.
Scaling works when printing images on paper. Its only action is to change the single number for dpi ppi , which is an arbitrary number that is simply stored separately in the image file. It is only used by the printer, and it only changes the size this image will print on paper at so many pixels per inch of paper The number has no effect on images on the computer screen video just shows pixels, which does not use dpi or inches.
The camera has no clue what size you might print the image, if at all, so it just makes up some dpi number it does not affect the pixels. We fix it before printing called scaling, which simply edits the dpi number. Word definition: One use of the word "scale" is as a graduated measurement, like the scale of a map, and scaling is creating a proportionate size or extent. In photo printing, scale is pixel distribution relative to the paper dimension.
Setting the dpi number "scales" the pixels to print 10 inches on paper. The dpi number fresh out of the camera might say 72 dpi, dpi, dpi, dpi, etc, but which was arbitrary, it simply does not matter what it is. The camera has no clue what size we will print it, and this number called dpi has absolutely no meaning until we actually do this proper scaling for the one specific future printing purpose. So scaling stretches the image on the paper, without changing any actual pixels.
It changes only the actual dpi number printing resolution, the spacing of the pixels on paper , which changes only the number of inches the same image pixels will fill on paper spaced at so many pixels per inch. The pixels remain the same, and the image simply prints larger with a smaller dpi number wider pixel spacing, fewer pixels per inch , or prints smaller with a larger dpi number. Cropping or Resampling are NOT reversible operations pixels do get changed , however Scaling is completely reversible, it merely changes the separate dpi number that will be used to adjust pixel spacing resolution when printing on paper.
Scaling does not change pixels, it merely spaces them differently. PPI: I learned it as dpi dots per inch , but some people like to say ppi now pixels per inch, which it is. When I started, it was only said as dpi, so dpi is quite second nature to me, and to many. It may have been jargon, but a pixel is a dot of one color, which is normally printed as a few colored ink drop dots usually of 3 or 4 ink colors to simulate the pixel color.
If dpi is used referring to image pixels, it is about pixels, so interchangeable terms if about images instead of about ink drops. If about images, dpi can only mean pixels. We need to understand either use. Scaling the image is simply changing the dpi number in the file that tells the future printer to print "X pixels per inch".
It will be the spacing of "pixels per inch" on paper same pixels, just different spacing. Scaling the dpi or ppi number does not change any pixels in any way, and it does not change the appearance of image seen on our video monitor, not in any way resample certainly does though, but our screen video systems don't even look at the dpi or ppi number, they just show pixels directly, one for one, but possibly having to resample a too-large image smaller first to fit it on the screen.
Scaling is sometimes called Resize, and Resample is even sometimes called scaling, not really unreasonable , so the terms can be questionable what they actually mean in the given usage. It is about declaring the dpi number, in preparation for printing a certain size on paper. This is by far the simplest operation, but sometimes a bit harder to grasp it. Printing - Before getting into resizing details, first some reasons for them. Printing at home is different than sending the work out.
Sending them to a printing shop where you get pictures printed — often sent via online upload, or by carrying them in on a memory card speaking of digital images today. Don't skimp on JPG Quality, we are not seeking low quality. We upload an image, which is some size and shape, and tell them to print it on some paper size and shape, like 8x10 inches. If we tell them 8x10 inches, that is what we get, regardless of any other information about the shape or size of our image.
If we have not already cropped the image properly to match 8x10 paper SHAPE , the edges of the paper will crop it. Hopefully we have used the resize methods described here to be certain the image is appropriate size and shape to be printed that size. Because if we don't crop the images shape correctly for the paper size shape , the shops printer will crop them automatically, often in surprising unwanted ways, cutting off tops or sides of the image.
We should also be sure our image has sufficient pixels to print the size we specify. That image dimension number should ideally have been prepared to be at least pixels per inch, or better pixels per inch, of print dimension, mentioned next below.
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