UPsizing:

Resampling refers to changing the pixel dimensions (the size of an image) In the past we used Specialized interpolation programs such as Genuine Fractals, pxl SmartScale, Blow Up, FM Stair and PhotoZoom. Now PhotoshopCC does an excellent job. pa

Method 1
- Go to image
- Image size, increase your image from original size, one big jump to 60 inches on the long side.
- Try Bicubic and Bicubic Smoother and  Bicubic Sharper. What difference do you see?

upsizing
Remember you want your
• Resolution at 240
          DPI refers to how many dots of ink your printer prints per inch.
          PPI refers to how many pixels per inch are in your image.
• 8 bit or 16bit?
          16.8 million colors vs 281 trillion possible colors
                     •8 bit or 16 bit for printing?
• Resample Image -ON
• Constrain Proportions -ON
• Scale Styles -ON

Method 2
- Go to image
- Image size increase your image from original size in 10% increments repeating over and over until you reach your desired size.
- You can create an action to resize with this technique. In the Image Size Document box choose Percent rather than Inches.

The Printed Test
•Crop each file to an 8×10 detail, sharpen and print. (use the same amount of sharpening on each test print)
•Do you see a difference in the print quality from these sizing methods?

Do a Canvas Size Crop Image
– Canvas Size
•Make sure Relative is not checked
•Type in 8×10 inches, Photoshop tells you the new canvas size is smaller clipping will occur
- Click proceed
Did you sharpen the photo after you upsized? I hope so! On my big files I like to sharpen with the High Pass Sharpening technique. Techniques for sharpening from DPI1

Turn in
•You will have 6, 8.5 x11inch prints to turn in with your typed conclusion.
(on each print, document the method, 1 or 2 you used, Bicubic and Bicubic Smoother and  Bicubic Sharper, include your sharpening method and amounts)

Try this super resolution with Photoshop technique found here.
http://petapixel.com/2015/02/21/a-practical-guide-to-creating-superresolution-photos-with-photoshop/

Nik’s Sharpener Pro from Google. Free 15-day trial of the Nik Suite