Tom Thumb: Change Image Resolution with AKVIS Magnifier
 

   
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Tutorial: AKVIS Magnifier

Tom Thumb

 

Esta información está disponible solamente en inglés. La version en español aparecerá pronto.

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 2.4 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).

    Little boy
    Original image (little boy)
  • Step 2. Increase the Resolution to 300 dpi. This reduces the size to 0.58 inches high.
    Resolution change from 72 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 741%).

    New Size
    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 4.27 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 final result from AKVIS Magnifier

    The same graphic enlarged in Photoshop in 10% increments

    The result from AKVIS Magnifier The same graphic enlarged in Photoshop

 
¿Cómo funciona? ¿Cómo funciona?
   — Área de trabajo — Área de trabajo
   — Trabajando con el programa — Trabajando con el programa
   — Opciones — Opciones
   — Procesamiento por lotes — Procesamiento por lotes
Ejemplos Ejemplos
   — Pulgas divertidas — Pulgas divertidas

 

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