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Video: Resizing

Often times, you'll want to copy a digital photo that you've taken at a different size than the original. So you may need a particular size for a print you are going to make, and another size to send by email. I don't recommend that you upsize your photos from their original size, but you certainly can downsize. And here's how that's done. The first thing I'm going to do with this photo is see how big it is. So I'll come down to this small Document Information bar at the bottom of the document window, and I'll click there. And that brings up a small box that tells me the number of pixels in width and height that make up this digital photo as I'm looking at it on the screen.
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  1. 6m 14s
    1. Welcome
      1m 10s
    2. Using the exercise files
      1m 30s
    3. Overview of the editing workspaces
      3m 34s
  2. 43m 14s
    1. Touring the interface
      4m 21s
    2. Making the most of the tools in Elements
      4m 6s
    3. Arranging the panels
      4m 32s
    4. Zooming and panning
      4m 3s
    5. Viewing multiple photos
      3m 51s
    6. Undoing
      5m 15s
    7. Cropping
      3m 46s
    8. Resizing
      7m 18s
    9. Saving images and examining formats
      6m 2s
  3. 19m 23s
    1. Understanding layers
      7m 59s
    2. Managing layers in the Layers panel
      4m 33s
    3. Creating new layers
      6m 51s
  4. 38m 28s
    1. Why use selections?
      4m 20s
    2. Selecting with the marquee tools
      3m 56s
    3. Selecting with the lasso tools
      6m 40s
    4. Selecting by color and tone
      6m 22s
    5. Refining a selection
      4m 51s
    6. Selecting hair
      5m 42s
    7. Hiding content with a layer mask
      6m 37s
  5. 46m 54s
    1. Why use adjustment layers?
      5m 15s
    2. Adjusting color with a Hue/Saturation adjustment layer
      4m 32s
    3. Correcting lighting with a Levels adjustment layer
      3m 32s
    4. Adjusting part of an image with an adjustment layer
      5m 19s
    5. Exploring auto adjustments
      3m 55s
    6. Improving shadows and highlights
      2m 14s
    7. Removing a color cast
      1m 47s
    8. Fine-tuning with Color Curves
      3m 16s
    9. Converting to black and white
      2m 26s
    10. Correcting camera distortion
      5m 32s
    11. Reducing noise
      2m 56s
    12. Sharpening
      6m 10s
  6. 20m 51s
    1. Creating a panorama
      5m 6s
    2. Merging bracketed exposures
      6m 0s
    3. Removing people from a scene
      5m 25s
    4. Combining group shots
      4m 20s
  7. 29m 24s
    1. Removing blemishes
      3m 42s
    2. Reducing wrinkles and circles
      4m 16s
    3. Enhancing eyes
      5m 19s
    4. Removing red-eye
      3m 15s
    5. Adjusting skin tone
      2m 21s
    6. Removing dust spots
      4m 7s
    7. Removing content
      6m 24s
  8. 52m 36s
    1. What is Camera Raw?
      5m 18s
    2. Using the latest Camera Raw controls
      3m 16s
    3. Camera Raw basics
      6m 22s
    4. Making use of the histogram
      3m 45s
    5. Setting white balance
      3m 44s
    6. Adjusting lighting
      4m 28s
    7. Adjusting color saturation
      2m 9s
    8. Cropping and straightening
      3m 58s
    9. Reducing noise
      3m 33s
    10. Sharpening
      3m 38s
    11. Synchronizing edits to multiple photos
      3m 36s
    12. Outputting from Camera Raw
      6m 14s
    13. Using Camera Raw with JPEGs
      2m 35s
  9. 48s
    1. Next steps
      48s

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Watch the Online Video Course Photoshop Elements 11 Essentials: 02 Editing and Retouching Photos
4h 17m Beginner Nov 07, 2012

Viewers: in countries Watching now:

Go beyond the automatic editing features in Adobe Photoshop Elements and find out how to make sophisticated edits using the Expert Edit mode. In this course, author, teacher, and photographer Jan Kabili explores the core features of the Expert Edit mode, from making exposure adjustments, retouching, and compositing images, to adding text. The course also takes a close look at adjusting photos with Adobe Camera Raw, included with Elements 11.

Topics include:
  • Arranging the panels and interface
  • Cropping and resizing photos
  • Creating new layers
  • Refining selections
  • Hiding content with a layer mask
  • Using adjustment layers
  • Correcting color, lighting, and contrast
  • Converting a color photo to black and white
  • Creating a panorama from multiple photos
  • Retouching blemishes and wrinkles
  • Making adjustments in Camera Raw
Subject:
Photography
Software:
Photoshop Elements Elements
Author:
Jan Kabili

Resizing

Often times, you'll want to copy a digital photo that you've taken at a different size than the original. So you may need a particular size for a print you are going to make, and another size to send by email. I don't recommend that you upsize your photos from their original size, but you certainly can downsize. And here's how that's done. The first thing I'm going to do with this photo is see how big it is. So I'll come down to this small Document Information bar at the bottom of the document window, and I'll click there. And that brings up a small box that tells me the number of pixels in width and height that make up this digital photo as I'm looking at it on the screen.

When you're viewing photos on the screen, they're always made up of pixels. A pixel is a small square of color information. I can also see how large this image would print in inches--a different unit of measurement--if I were to print it right now. Right now we would print out at 18 inches wide x 12 inches tall. And I can also see here the resolution, which means the number of total pixels that will be allocated to every printed inch, if and when this photo is printed. So if you do the math, you can see that if there are 1800 pixels across, and you allocate 100 of those to every inch, 100 into 1800 will give you a print of 18 inches wide; and the same math applies for height.

There are 1200 pixels in height; if you allocate 100 of those to every printed inch, that will give you 12 inches. So that's a pretty easy math problem and I've set that up that way on purpose. But the truth is that if I were going to print this image on my desktop inkjet printer, I probably would want it to have a higher resolution than 100 pixels per inch. Most desktop inkjet printers do better with a resolution of somewhere around 300 pixels per inch. So let me show you how you can change the resolution and the size of this image.

I'll got up to the Image menu and I'll go down to Resize and over to Image Size. In the first part of the Image Size dialog box, I can see the size of this file on my hard drive: 6.18 MB. I can also see the width and height of the file in pixels, the same information we just saw in the document window. The next part of this dialogue, the document size area, applies only if I'm going to take this image to print. And here I can see the same information that we just saw in the document window. Right now, the document is set up with 100 pixels allocated to every inch.

If you look at this label, it tells you that resolution means pixels per inch. And again, if I have 1800 pixels across and I allocate 100 of those to every inch, that will give me a print of 18 inches wide. Now I said, that I need to change the resolution because my inkjet printer is expecting more than 100 pixels per inch. If I leave this at 100, it's possible that the printed photo may look a little blurry because with fewer pixels per inch, each pixel will have to be stretched out to be little bit bigger. So I want to change the resolution number 300, but before I do, it's really important to come down here to the bottom of the dialog and uncheck Resample Image.

What Resample Image does is change the actual number of pixels in the image and I don't want to do that; I want to keep the total number of pixels the same 1800 x 1200. I just want to reallocate them among inches. So with Resample Image unchecked, I'll go to the Resolution field and I'll change that to 300. Now look what happened: the width and height are the same as they always were, the size on disk is the same, but the width and the height of the print I'm going to get are different. And if you do the math you'll see why.

Remember that I have 1800 pixels in width; if I allocate 300 of those to every inch, that will give me 6. 300 into 1800 equals 6. And so I'll get a print that's only 6 inches across. And the height is figured the same way: 1200 divided by 300 equals 4. So with this setup, I will get a 6 x 4 print with plenty of resolution to get the best print that my desktop inkjet printer can produce and I'll click OK. The photo won't necessarily look different here in my document window, but if I go down to the document information area and click, you can see that now with the same number of pixels of width and height but a different resolution of 300 pixels per inch, I am going to get a print of 6 x 4 inches. Great! Now let's say, I want to make another print and I want this print to be only 3 x 2 inches--in other words I want to down size the dimensions, but leave the resolution the same.

Again, I'll go up to the Image menu and down to Resize and over to Image Size. This time, I'll make sure to check Resample Image, because I really do want to make the total amount of information in the file smaller. I want the resolution to remain at 300, but the width and height to be smaller. So with Resample Image checked, if I change the width from 6 to 3 inches, notice what's happened to the number of pixels in the file up here. Now I have many fewer pixels: I only have 900 pixels in width and 600 in height.

And you can do the math and see why. I have 900 pixels across with 300 of those allocated to every inch; I'll get a print of 3 inches. And the same is true for the height, which has now been set to 2. 2 times 300 equals 600. Notice also, that the total size of the file on the disk is much smaller now. It was 6.18 megabytes, now it's only going to be 1.54 megabytes because I'm resampling the image; I'm throwing away image information. Now one more thing, when I do resample the image, I have to tell elements the best formula to use to choose which pixels it's going to throw away. And I'll do that from this drop-down menu.

All I have to do is read what's in the parentheses. If I go all the way down to the bottom of this list, I see that Bicubic Sharper is the best method for reduction. In other words, for making a file smaller, as I'm doing here. So I'll choose by Bicubic Sharper, and that will keep the file as sharp as possible as it's downsized. And then I'll click OK. Now if I go down to the Document Information field, I can see that the file is indeed smaller; it has only 900 x 600 pixels, and it will print out at 3 x 2 inches at a resolution of 300 pixels assigned to every inch.

Now one more thing: what if instead of resizing this image for print, I just wanted to change it's size to fit a particular space on a webpage. Well, in that case again, I would go to Image>Resize>Image Size, and I would ignore the Document Size area and go directly to the Pixel Dimensions area, and just type in the number of pixels that I need. So let's say that for a particular website or a social media site, I need this photo to be only 300 pixels across. Then, I'll type 300 in the Width field under Pixel Dimensions, and Height will change proportionately; in this case, it will change to 200 pixels.

I'll make sure to keep Resample Image checked, and since I'm downsizing again, I'll change this menu to Bicubic Sharper, which is best for reduction or downsizing. And then I'll click OK. And now, when I go to the document information area, you can see that I have a file that's 300 x 200 pixels. So that's how you can resize an image both for print and for use on the Web.

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