Tom Thumb: Increasing Photo Resolution with AKVIS Magnifier
 

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Tutorial: AKVIS Magnifier

Tom Thumb: Increasing Photo Resolution

 

The author of this tutorial is Gordon Sisson.

In his example Gordon Sisson has demonstrated one more aspect of the usage of AKVIS Magnifier - namely the ability not only to change the image's dimensions but also to improve on its quality. In author's words he frequently needs to increase the resolution of graphics dragged off the internet or clip art collection. These graphics are 72 dpi which is not acceptable for printing, so resolution should be increased to 300 dpi.

In order to compare Adobe Photoshop and AKVIS Magnifier (quickness and quality), Gordon Sisson decided to magnify a photo of a little boy. As everyone knows, growing a child is a very involved process. Let alone the boy is really small - the original image is just of 2.38 inches high! The author claims, however: this task can be done in just a couple of minutes.

Here is the Magic of AKVIS Magnifier:

  • Step 1. Start AKVIS Magnifier and open the .tif image (drag it into the Magnifier program's window).

    Small Resolution Photo: Little Boy
    Original photo (little boy)
  • Step 2. Increase the Resolution to 300 dpi. This reduces the size to 0.57 inches high.

    Increase Resolution to 300 dpi
    Resolution change from 72 to 300 dpi

    In the New Size panel specify the final size you want (as percent of the reduced size of the original graphic — in this example 750%).

    Set New Size in Percent
    New Size
  • Step 3. Consider the parameters to improve the final quality of the graphic.

    Some experimentation may be required with the slider adjustments to achieve the best quality. At this level of enlargement, the system provides optimum settings for Sharpen Edges. Simplicity is reduced to zero, parameter Edge Smoothness is left unchanged, the checkbox Unsharp Mask is enabled with the group parameters Amount = 10, Radius = 1.0.

    AKVIS Magnifier program`s window
    AKVIS Magnifier program's window
  • Step 4. Click on the button to process the image with the adjusted settings. The image height is now 4.28 inches - the boy has become two times taller and the image resolution experienced a four-fold increase.

    Save the final image – now it can be printed.

    This method produces a graphic of higher quality than the laborious procedure in Photoshop, in about one fifth of the time. The same procedure can be applied to other images as well.

    The photo enlarged in AKVIS Magnifier The same graphic enlarged in Photoshop
    The result from AKVIS Magnifier The same graphic enlarged in Photoshop

 
How It Works How It Works
   — Workspace — Workspace
   — Using the Program — Using the Program
   — Preferences — Preferences
   — Batch Processing — Batch Processing
Examples Examples
   — Funny Fleas — Funny Fleas
   — Tom Thumb: Increasing Resolution — Tom Thumb: Increasing Resolution
   — Upstairs: Image Enlargement — Upstairs: Image Enlargement
   — Hunting For The Latest Sensation — Hunting For The Latest Sensation
   — Magnification Power — Magnification Power

 

Magnifier v. 9.1 - Free 10-day Trial    Download

 

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